Service parts for the 14RES
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredOil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | natural gas or LPG |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 14 kW |
| Standby kVA | 14 |
| Prime power | 14 kW |
| Emissions | EPA |
| Controller | DC, DC2, RDC, RDC Residential Digital, RDC Residential Digital; DC Digital, RDC2 |
| Oil capacity | 1.8 L |
| Alternator | 2F5 |
| Voltage options | 120/240 V |
| Phase | 1 |
| Rated current | 58 A |
| Power factor | 1.0 |
| Circuit breaker | 100 A |
| Battery group | 51 |
| Battery cranking | 500 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Starting system | 12 V DC |
| Dimensions (L×W×H) | 48×26×29 mm |
| Dry weight | 186 kg |
| Wet weight | 191 kg |
| Sound level | 67.0 dBA @ 23 ft m |
Engine
| Oil capacity | 2.0 L |
|---|---|
| Coolant capacity | 0.0 L |
| Displacement | 0.725 L |
| Aspiration | air-cooled |
| Rated speed | 3000 rpm |
Same engine, other brands
1 brandThe Kohler CH 740 in this set also powers 1 generator set sold under 1 other brand. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.
| Brand | Models |
|---|---|
| SDMO | RES 12 TEC |
Maintenance & consumables
for the Kohler CH 740| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Element, air filter | 24 083 09-S | buy | ||
| Fuel filter | fuel system | — | |||
| Oil filter | Filter, oil | 12 050 01-S | 200 hr | Amazon eBay $19.06 KuduParts $32.00 FridayParts $33.98 | |
| Battery | battery | — | 200 hr | ||
| Belt | coupling | — | |||
| Coolant | — | ||||
| Coolant filter | — | 150 hr | |||
| Oil | 2.7 L | — | 300 hr | ||
| Spark plug | 0.76 mm (0.030 in.) gap | — | 300 hr |
Service intervals
40| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| Oil level | Check | 8 hr | Before each use or every 8 hours for extended operation | |
| Engine oil | Change | 100 hr | 12 mo | 14 kW models: 100 hours; 20 kW models: 150 hours |
| Oil (14 kW) | Change | 100 hr | 12 mo | |
| Air cleaner | Replace | 150 hr | 300 hours shown; service more frequently under dusty/dirty conditions | |
| Air cleaner service | Clean | 150 hr | 12 mo | 14 kW: 150/300 hours; 20 kW: 150/300 hours yearly |
| Change oil | Change | 150 hr | 12 mo | 20 kW models |
| Oil (20 kW) | Change | 150 hr | 12 mo | |
| Oil cooler | Clean | 150 hr | 12 mo | 20 kW models |
| Oil cooler | Inspect | 150 hr | 12 mo | 20 kW models |
| Oil filter (20 kW) | Replace | 150 hr | 12 mo | |
| Replace filter | Replace | 200 hr | 12 mo | 20 kW models |
| Spark plugs | Check | 150 hr | 20 kW models | |
| Oil filter | Replace | 200 hr | 12 mo | 14 kW models: 200 hours; 20 kW models: 150 hours |
| Oil filter (14 kW) | Replace | 200 hr | 12 mo | |
| Air cleaner service | Replace | 300 hr | 14 kW models | |
| Brushes and collector ring | Inspect | 300 hr | 12 mo | 14 kW models; authorized distributor/dealer only |
| Generator brushes and collector ring | Replace | 300 hr | 12 mo | Authorized distributor only |
| Spark plugs | Replace | 300 hr | 12 mo | 150-300 hours shown |
| Crankcase breather hose | Check | 500 hr | 12 mo | 14 kW models |
| Crankcase breather hose | Inspect | 500 hr | 12 mo | Yearly or 500 hours |
| Replace stepper motor coupling and bushing | Replace | 500 hr | 14 kW models; authorized distributor/dealer only | |
| Wire-cable insulation condition | Inspect | 500 hr | 36 mo | 14 kW models; 3 years or 500 hours |
| Air ducts and louvers | Clean | 12 mo | ||
| Air ducts, louvers | Clean | 12 mo | 14 kW models | |
| Air ducts, louvers | Inspect | 12 mo | 14 kW models | |
| Battery | Check | 1 mo | Check charger operation, charge rate | |
| Battery electrolyte level and specific gravity | Check | 12 mo | 14 kW models; not necessary for maintenance-free batteries | |
| Check battery charger operation, charge rate | Check | 1 mo | 14 kW models | |
| Clean and tighten battery terminals and inspect boots | Clean | 12 mo | 14 kW models; inspect boots | |
| Flexible lines and connections | Inspect | 3 mo | 14 kW models; replace as necessary | |
| Fuel flexible lines and connections | Inspect | 3 mo | Quarterly; replace as necessary | |
| Fuel piping | Inspect | 12 mo | Yearly | |
| Fuel regulator vent tubes, if equipped | Clean | 12 mo | 20 kW models | |
| Fuel regulator vent tubes, if equipped | Inspect | 12 mo | 20 kW models | |
| Insulation, fire hazards | Inspect | 12 mo | 14 kW models | |
| Interior of sound enclosure | Clean | 3 mo | 14 kW models | |
| Interior of sound enclosure | Inspect | 3 mo | 14 kW models | |
| Main tank fuel supply level | Check | 0 mo | Weekly | |
| Measure and record resistance readings of windings with insulation tester | Test | 36 mo | 14 kW models; authorized distributor/dealer only; Megger with SCR/rectifier and load leads disconnected | |
| Remote control system, if equipped | Test | 1 mo | 14 kW models |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Service specifications
60| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Gap | Spark plug | 0.03 | in. | |
| Gap | Spark plug | 0.76 | mm | |
| Gap | Spark plug gap | 0.51 | mm (0.02 in.) | |
| Gap | Spark plug gap | 0.7--0.8 | mm (0.028--0.030 in.) | |
| Gap | Spark plug gap | 0.76 | mm (0.03 in.) | |
| Gap | Spark plug gap | 0.8--0.9 | mm (0.03--0.04 in.) | |
| Gap | Spark plug gap | 0.89 | mm (0.035 in.) | |
| Gap | Spark plug gap | 0.9--1.0 | mm (0.036--0.04 in.) | |
| Other | Battery specific gravity, fully charged | 1.260 | specific gravity | at 80°F (26.7°C) |
| Other | Battery specific gravity, needs charging | below 1.215 | specific gravity | at 80°F (26.7°C) |
| Other | Battery wrap length | 1067 (42) | mm (in.) | |
| Other | Battery wrap length | 864 (34) | mm (in.) | |
| Other | Heater wrap rating | 50 | Watts | |
| Other | Heater wrap rating | 65 | Watts | |
| Other | Maximum fuel flow rate, 14RES/RESL LP vapor | 203000 | Btu/hr | |
| Other | Maximum fuel flow rate, 14RES/RESL natural gas | 193000 | Btu/hr | |
| Other | Maximum fuel flow rate, 20RES/RESL LP vapor | 340000 | Btu/hr | |
| Other | Maximum fuel flow rate, 20RES/RESL natural gas | 281000 | Btu/hr | |
| Other | Plug cord length | 75 (3) | mm (in.) | |
| Other | Power cord length | 1677 (66) | mm (in.) | |
| Other | Power cord length | 1830 (72) | mm (in.) | |
| Other | Power cord length | 483 (19) | mm (in.) | |
| Pressure | Fuel supply pressure, LP vapor | 1.7--2.7 | kPa (7--11 in. H2O) | |
| Pressure | Fuel supply pressure, natural gas | 1.3--2.7 | kPa (5--11 in. H2O) | |
| Pressure | Gas fuel leak test pressure | 6-8 | ounces per square inch | 10-14 inches water column |
| Pressure | LPG fuel supply pressure | 1.7-2.7 | kPa | at regulator inlet |
| Pressure | Natural gas fuel supply pressure | 1.2-2.7 | kPa | at regulator inlet |
| Speed | Engine governor speed setting 4P=00, 50 Hz | 2850 | rpm | 4P setting 00 |
| Speed | Engine governor speed setting 4P=00, 60 Hz | 3420 | rpm | 4P setting 00 |
| Speed | Engine governor speed setting 4P=50, 50 Hz | 3000 | rpm | 4P setting 50 |
| Speed | Engine governor speed setting 4P=50, 60 Hz | 3600 | rpm | 4P setting 50 |
| Speed | Engine governor speed setting 4P=99, 50 Hz | 3150 | rpm | 4P setting 99 |
| Speed | Engine governor speed setting 4P=99, 60 Hz | 3776 | rpm | 4P setting 99 |
| Temperature | Battery heater thermostat OFF | 27 | °C | 80°F |
| Temperature | Battery heater thermostat ON | 16-18 | °C | 60-65°F |
| Temperature | Breather tube heater thermostat OFF | 13 | °C | 55°F |
| Temperature | Breather tube heater thermostat ON | 4 | °C | 40°F |
| Temperature | Carburetor heater thermostat OFF | 16 ±3 | °C | 14 kW models; 60 ±5°F |
| Temperature | Carburetor heater thermostat ON | 4 ±3 | °C | 14 kW models; 40 ±5°F |
| Temperature | Carburetor heater thermostat ON | 4 ±4 | °C | 20 kW models; 40 ±7°F |
| Temperature | Exhaust gas exiting enclosure at rated kW | 260 | °C (500 °F) | at rated kW |
| Temperature | Fuel regulator heater thermostat | 4/13 | °C | 20 kW models; 40/55°F snap action |
| Temperature | Oil heater thermostat OFF | 13 | °C | 55°F |
| Temperature | Oil heater thermostat ON | 4 | °C | 40°F |
| Temperature | Thermostat off temperature | 27 | C (80 F) | |
| Temperature | Thermostat on temperature | 16 | C (60 F) | |
| Torque | Spark plug | 18 | ft. lb. | |
| Torque | Spark plug | 22 | ft. lb. | |
| Torque | Spark plug | 24.4 | Nm | |
| Torque | Spark plug | 24.4-29.8 | Nm | 14 and 20 kW models; also 18-22 ft. lb. |
| Torque | Spark plug | 29.8 | Nm | |
| Torque | Spark plug torque | 15 | Nm (11 ft. lb.) | |
| Torque | Spark plug torque | 18 | Nm (13.3 ft. lb.) | |
| Torque | Spark plug torque | 24.4--29.8 | Nm (18--22 ft. lb.) | |
| Torque | Spark plug torque | 25 | Nm (18 ft. lb.) | |
| Voltage | DC2 built-in battery charger | 14 ±2% | VDC | maximum 2.5 amps |
| Voltage | RDC2 built-in battery charger | 13.4 ±2% | VDC | maximum 2.5 amps |
| Voltage | Voltage change per step, coarse, measured 180--360 VAC | 7 | VAC | 1P00--99 |
| Voltage | Voltage change per step, coarse, measured 85--180 VAC | 5 | VAC | 1P00--99 |
| Voltage | Voltage change per step, fine, measured 180--360 VAC | 0.7 | VAC | 1P00--99 |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Recommended fluids
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Engine oil | 5W-30 or 10W-30 | API Service Class SG, SH, or SJ synthetic | 1.8 L | 14 kW models; synthetic oil oxidizes and thickens less | |
| Engine oil | Synthetic | API Service Class SG or higher | Use recommended viscosity and grade; fill if necessary. | ||
| Fuel | Natural gas or propane | Certified for emergency standby use only | |||
| Fuel | LP vapor | 93 MJ/m3 (2500 Btu/ft3) | Fuel supply pressure 1.7--2.7 kPa (7--11 in. H2O). Max flow 14RES/RESL 203,000 Btu/hr; 20RES/RESL 340,000 Btu/hr. | ||
| Fuel | Natural gas | 37 MJ/m3 (1000 Btu/ft3) | Fuel supply pressure 1.3--2.7 kPa (5--11 in. H2O). Max flow 14RES/RESL 193,000 Btu/hr; 20RES/RESL 281,000 Btu/hr. | ||
| Fuel | Natural gas or LPG | Generator set is certified for emergency standby operation only |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Fault codes
27| Code | Name | Meaning | Severity | Action |
|---|---|---|---|---|
| AC Sens Loss | AC Sensing Lost | In Auto mode, generator output AC sensing is lost. Detection begins 10 seconds after crank disconnect. | Warning | Contact authorized distributor/dealer for service |
| Accy PwrOver | Accessory Power Overload | An over current fault (short circuit) on the accessory controller power output | Warning | Contact authorized distributor/dealer for service |
| Advanced Diagnostic | Advanced Diagnostic Active | Shutdown during reduced-speed portion of exercise; engine restarts, runs at full speed for 2 minutes, then stops and returns to AUTO. | Shutdown | If generator set does not restart and return to AUTO, check for other faults. |
| ATS ComError | ATS Communication Error | Warning is displayed if ATS interface connection is lost | Warning | Check communication wiring between transfer switch interface board and generator set |
| ATS PhaseRot | ATS Phase Rotation Mismatch | Transfer switch phase rotation does not match; ATS will not transfer | Warning | Correct the ATS connection per ATS Installation manual and labels |
| Aux Input | Auxiliary input | Optional customer-connected input is closed. | Shutdown | Check customer-supplied equipment. |
| Batt Chg Flt | Battery charger fault | Input to PIM from an external battery charger. | Warning | Check external battery charger. |
| Battery CrLo | Battery Crank Low | Engine starting battery voltage falls below 11 VDC for more than 10 seconds | Warning | Clears when battery voltage returns to acceptable level |
| Battery High | Battery voltage high | Engine starting battery voltage rises above 16 VDC for more than 10 seconds; inhibited during crank cycle. | Warning | Check battery rating and condition; check battery charger. |
| Battery Voltage Low | Battery voltage low | Engine starting battery voltage falls below 12.5 VDC for more than 90 seconds when engine is not running. | Warning | Check battery rating and condition; check battery charger; charge or replace battery. |
| Eng Speed High | Engine speed high | Engine speed exceeds 115% of normal running speed for more than 0.3 seconds. | Shutdown | Contact an authorized distributor/dealer for service. |
| Eng Speed Low | Engine speed low | Engine speed drops below 85% of normal running speed for more than 3 seconds. | Shutdown | Reduce load; check enclosure thermostat on 20RESC/20RESCL; contact distributor/dealer. |
| Exer Not Sch | Exercise not scheduled | No exercise is scheduled on the controller. | Warning | Set the exerciser. |
| Frequency High | Frequency high | Governed frequency exceeds 110% of system frequency setpoint for more than 10 seconds. | Shutdown | Contact an authorized distributor/dealer for service. |
| Frequency Low | Frequency low | Governed frequency falls below 90% of system frequency for more than 10 seconds or 1 Hz below for more than 60 seconds. | Shutdown | Reduce load and restart; check enclosure thermostat on 20RESC/20RESCL; contact distributor/dealer. |
| Lo Crank Vlt | Low cranking voltage | Battery voltage falls below 8 VDC for more than 6 seconds while starter is engaged. | Warning | Charge or replace battery. |
| Locked Rotor | No engine rotation during cranking | No engine rotation is sensed during cranking; shuts down 3 seconds after fault detected. | Shutdown | Check battery and loose connections; contact distributor/dealer. |
| Low Coolant Level | Low coolant level | Battery voltage supply issue; may also be triggered by low battery voltage on air-cooled models. | Warning | Verify utility power to TB1; check battery connections and condition. |
| MainPwrOverL | Main power overload | Over current fault on controller power output (short circuit). | Shutdown | Contact an authorized distributor/dealer for service. |
| NoEC | No engine configuration setting | Controller configuration is not set. | Warning | Set engine configuration (Ec) to match generator set engine type. |
| Not in Auto | Not in Automatic mode | Generator set is not in Automatic standby mode; remote start/stop commands ignored. | Warning | Press AUTO to place generator set in Automatic mode when appropriate. |
| Oil Press Low | Low oil pressure | LOP switch indicates low oil pressure for more than 5 seconds; active 30 seconds after crank disconnect. | Shutdown | Check for leaks; check oil level and add oil; check oil pressure switch and wiring. |
| Over Crank | Overcrank | Three unsuccessful starting attempts. | Shutdown | Check fuel supply, spark plug, and battery; check loose connections; contact distributor/dealer. |
| Spd Sens Flt | Speed sensor fault | Engine speed sensor has failed or engine stalled. | Shutdown | Contact an authorized distributor/dealer for service. |
| Uu---- | Voltage and frequency not set | Controller displays Uu---- if voltage and frequency are not set to a standard combination. | Warning | Set system voltage and frequency parameter (Uu) to a standard combination. |
| Volts L1-L2 High | Generator voltage high | Output voltage exceeds 120% of system nominal voltage for more than 2 seconds. | Shutdown | Contact an authorized distributor/dealer for service. |
| Volts L1-L2 Low | Generator voltage low | Output voltage falls below 80% of nominal system voltage for more than 10 seconds. | Shutdown | Reduce load and restart; check enclosure thermostat on 20RESC/20RESCL; contact distributor/dealer. |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Procedures
12Frequency Adjustment, RDC Controller adjustment
⚠ Hazardous voltage.
⚠ Moving parts.
Tools: frequency meter
- Attach frequency meter to AC output leads or load-side outlet.
- Start and run generator at least 10 minutes to normal operating temperature.
- Adjust engine governor speed (parameter 4P) to 60 Hz or 50 Hz as appropriate.
- With no load, adjust governor gain (parameter 5P) until stable with no hunting or surging.
- Check frequency; repeat steps 3 and 4 if necessary.
- Save settings.
Fuel Conversion, 14RES/RESL (NG to LP) adjustment
⚠ Explosive fuel vapors.
⚠ Accidental starting.
Tools: dry cloth or brush, pipe sealant, gas leak detector
- Press OFF and remove F3 fuse; disconnect battery charger.
- Disconnect starting battery, negative lead first; turn off fuel supply.
- Remove hose clamp and fuel hose from fuel block fitting.
- Remove hose fitting from natural gas outlet port.
- Remove plug from LP port.
- Clean plug, apply fresh pipe sealant, install in natural gas port.
- Clean hose fitting, apply fresh pipe sealant, install in LP port.
- Slide hose onto fitting and secure with clamp.
- Disconnect DSAI leads for LP near fuel solenoid valve.
- Connect and turn on new fuel supply.
- Reconnect battery, negative lead last; reconnect battery charger.
- Install F3 fuse and start generator set with RUN button.
- Check for leaks using a gas leak detector.
- Run generator set and check operation; adjust output and stability if necessary.
- Press OFF to shut down generator set.
Fuel Conversion, 20RES/RESL (NG to LP) adjustment
⚠ Explosive fuel vapors.
⚠ Accidental starting.
Tools: gas leak detector
- Press OFF and remove F3 fuse; disconnect battery charger.
- Disconnect starting battery, negative lead first; turn off fuel supply.
- Remove hose clamp and fuel hose from hose fitting.
- Insert LP orifice into hose fitting.
- Slide hose onto fitting and secure with clamp.
- Disconnect DSAI leads 65 and N5 for LP.
- Connect and turn on new fuel supply.
- Reconnect battery, negative lead last; reconnect battery charger.
- Reinstall F3 fuse and start generator set with RUN button.
- Check for leaks using a gas leak detector.
- Run generator set and check operation; adjust output and stability if necessary.
- Press OFF to shut down generator set.
RDC2 Voltage Calibration Using SiteTech adjustment
Tools: digital voltmeter, personal computer, SiteTech software
- Connect PC to controller via USB
- With generator off, connect multimeter across L1/L2 (AC volts)
- Start generator set
- Compare voltmeter reading to controller display
- Calculate new Genset Calibration Factor Voltage using (Vmeter / Vcontrol) x Fold = Fnew
- Enter new value into SiteTech and click Apply Changes
- Verify voltmeter matches controller display
- Repeat for L2-L3 and L3-L1 if three-phase
- Press OFF to stop generator set
RDC2 Voltage Calibration Using the Controller Keypad adjustment
Tools: digital voltmeter
- With generator off, connect digital multimeter across L1 and L2, set to AC volts
- Start generator set with RUN button
- Navigate to Generator Metering menu, press Select; Volts L1-L2 displayed
- Press Select; voltage number flashes
- Use up/down arrows to match voltmeter reading
- Press Select to confirm
- Step to Return screen
- Press OFF to stop generator set
Resetting the Maintenance Timer adjustment
- From Overview menu, step down to Genset Run Time menu.
- Press Select button and step down to Next Maintenance screen.
- Press Select button.
- Press Up arrow button so 'Reset Maint Timer? Yes' is displayed.
- Press Select button.
- Wait about two minutes for new maintenance interval and date to display.
VSC Current (Load) Calibration Using the Controller Keypad adjustment
Tools: clamp-on DC current probe or DC current meter
- Connect DC current probe/clamp meter to measure generator current
- Start generator with RUN button
- Adjust system voltage to obtain rated current output with battery bank attached (or use load bank)
- Trip output breaker
- Navigate to Generator Metering menu, select Generator Load
- Press and hold Select for No-Load Calibration; verify breaker open, confirm Yes
- Close output breaker; verify rated output current, confirm Yes
- Verify displayed load is correct; recalibrate if necessary
- Press OFF to stop generator set
Voltage Adjustment, RDC Controller adjustment
⚠ Hazardous voltage.
⚠ Moving parts.
Tools: digital multimeter
- With generator off, connect digital multimeter to output leads or load-side outlet; set to AC voltage.
- Start generator with RUN button.
- Adjust parameter 1P until output voltage reaches desired value.
- Adjust voltage stability (gain, parameter 2P) to minimize light flicker.
- Readjust voltage if necessary.
- Save settings.
- Stop generator.
Clearing a Fault on the RDC2 Controller diagnostic
⚠ Correct cause of fault before resetting
- While fault message is displayed, press Select to go to Overview menu.
- Press Select again to display active fault message.
- Press Select; Confirm Clear Fault: NO is displayed.
- Press Down arrow; Confirm Clear Fault: YES is displayed.
- Press Select to enter YES and clear fault.
- Press Select to return to overview menu; controller changes to OFF mode.
- Press AUTO to place generator set in automatic mode.
Battery Installation Procedure installation
⚠ Battery acid.
⚠ Explosion.
- Remove controller fuse F3.
- Ensure starting battery is fully charged.
- Clean battery posts and/or adapters if necessary.
- Install battery post adapters if needed.
- Place battery in housing.
- Connect positive (+) lead to battery.
- Connect negative (--) lead to battery.
- Install controller fuse F3.
Field-Connection Terminal Block Wiring installation
⚠ Hazardous voltage.
⚠ Backfeed to utility.
- Drill holes for conduit fittings; feed cables through openings.
- Connect transfer switch emergency source leads to L1 and L2 on terminal block.
- Connect neutral (L0) and ground (GRD) from ATS and main panel.
- For RRT transfer switch, connect interface panel to ATS1--ATS4 before connecting engine starting battery.
- For RDT/RSB transfer switch or remote start/stop, connect engine start leads to terminals 3 and 4.
- Connect utility power to terminals labelled Utility; source must be GFCI protected.
Air Cleaner Element and Precleaner maintenance
- Disable set: press OFF button, disconnect battery charger power, remove battery cables, negative (--) lead first.
- Loosen the cover retaining knob(s) or release the retaining clips and remove the cover.
- Remove and discard the old air cleaner element and precleaner (if equipped).
- Install the precleaner over the new air cleaner element.
- Install the paper element onto the air cleaner base, making sure it is flat and properly seated.
- Reinstall the element cover, element cover nut, and the air cleaner cover; secure with the knob(s) or clips.
- 15RES/30RES and RCL models: wipe cover and housing with a clean rag and make sure sealing surfaces fit correctly.
- Reconnect the battery cable, negative (--) lead last.
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Voltage reconnection
| Voltage | Phase | Connection | Leads | Notes |
|---|---|---|---|---|
| Model RDT/RSB transfer switch or remote start/stop | terminals 3 and 4 | Route engine start leads through separate conduit from AC power and load leads. | ||
| Model RRT transfer switch interface | ATS1--ATS4 | Connect interface panel to ATS1--ATS4 before connecting engine starting battery. | ||
| Utility power | Utility terminals | Connect to GFCI-protected circuit supplied by utility and backed up by generator. | ||
| 100/200 | 1 | Single | ||
| 100/200 | 3 | Delta | ||
| 110/220 | 1 | 2F5 4-lead | 4 | Single-phase dual voltage |
| 110/220 | 1 | Single | ||
| 110/220 | 3 | Delta | ||
| 115/230 | 1 | Single | ||
| 120 | 1 | 2F5 4-lead | 4 | Single-phase |
| 120 | 1 | Single | Genset System Voltage/Frequency/Phase table for controller setup | |
| 120/208 | 3 | 2G5 12-lead | 12 | Three-phase |
| 120/208 | 3 | Wye | ||
| 120/240 | 1 | 2F5 4-lead | 4 | Single-phase dual voltage |
| 120/240 | 1 | Field-connection terminal block | L1, L2, L0, GRD | Connect transfer switch emergency source to L1 and L2; neutral L0 and ground GRD to corresponding points. |
| 120/240 | 1 | Single | ||
| 120/240 | 3 | Delta | ||
| 127/220 | 3 | Wye | ||
| 220 | 1 | Single | ||
| 220/380 | 3 | 2G5 12-lead | 12 | Three-phase 50Hz |
| 220/380 | 3 | Wye | ||
| 230 | 1 | Single | ||
| 230/400 | 3 | Wye | ||
| 240 | 1 | Single | ||
| 240/416 | 3 | Wye | ||
| 277/480 | 3 | Wye |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Common questions
What size generator is the Kohler 14RES?
The Kohler 14RES is rated 14 kW standby (14.0 kVA).
What engine is in the Kohler 14RES?
The Kohler 14RES is powered by the Kohler CH 740 engine.
What fuel does the Kohler 14RES use?
The Kohler 14RES runs on natural gas or LPG.
How much oil does the Kohler 14RES take?
The Kohler CH 740 engine in the Kohler 14RES has an oil capacity of 2.0 liters.
What is the sound level of the Kohler 14RES?
The Kohler 14RES is rated at 67.0 dBA at 23 ft m, per the manufacturer specification sheet.
What is the dry weight of the Kohler 14RES?
The Kohler 14RES has a dry weight of 186 kg (410 lb).
What voltages is the Kohler 14RES available in?
The Kohler 14RES is offered in 120/240 V, 1-phase.
What size battery does the Kohler 14RES need?
The Kohler 14RES uses 1 battery, 12 V each, 500 CCA, group 51, per the manufacturer specification sheet. The starting system is 12 V DC.
What alternator does the Kohler 14RES use?
The Kohler 14RES uses a 2F5 alternator.
What oil filter fits the Kohler 14RES?
The Kohler 14RES uses oil filter part number 12 050 01-S.
What air filter does the Kohler 14RES use?
The Kohler 14RES uses air filter part number 24 083 09-S.
Troubleshooting
6Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Battery short circuits | Disconnect the battery before generator set installation or maintenance. Remove all jewelry before servicing the equipment. Use tools with insulated handles. Remove the negative (-) lead first when disconnecting the battery. Reconnect the negative (-) lead last when reconnecting the battery. | |
| Controller display backlight is off | Backlight turns off after about 1 minute with no activity | Backlight will turn on when a button is pressed or the generator set starts |
| Controller display is off | Low or no battery voltage | Check connections; Check generator set battery |
| The generator set does not crank | Battery weak or dead | Recharge or replace the battery |
| The generator set does not crank | Battery connections reversed or poor | Check the connections |
| The generator set does not crank | Fault shutdown | Check the controller display for fault messages. See Section 2.5. Correct the fault condition and reset the controller |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Kohler 14RES troubleshooting guide (42 entries) →
Repair guides
19- Air Cleaner Service (14 kW Models)
- Air Cleaner Service (20 kW Models)
- Battery Installation Procedure
- Checking Electrolyte Level
- Cleaning the Battery
- Clearing a Fault on the RDC2 Controller
- Field-Connection Terminal Block Wiring
- Frequency Adjustment, RDC Controller
- Fuel Conversion, 14RES/RESL (NG to LP)
- Fuel Conversion, 20RES/RESL (NG to LP)
- Local Starting and Stopping
- Oil Change Procedure
- Reset the Thermostat, 20RESC/20RESCL
- Resetting the Maintenance Timer
- Set Exerciser
- Setting the Exerciser on the RDC2 Controller
- Spark Plug Service
- Unloaded Exercise Cycle with Complete System Diagnostics
- Voltage Adjustment, RDC Controller
Step-by-step procedures compiled from the Kohler service manual for this model.
Parts
250| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 103-0731 | Gasket, Gearcase | 1 | Gasket | Amazon eBay |
| 103-0733 | Gasket, Gearcase Backplate | 1 | Gasket | Amazon eBay |
| 103-0746 | Gearcase (Includes Oil Seal and Oil Fill Tube) | Seal | Amazon eBay | |
| 110-1718 | Head, Cylinder Gasket, Cylinder Head | 2 | Gasket | Amazon eBay |
| 110-2987 | Gasket, Cylinder Head | 2 | Gasket | Amazon eBay |
| 110-3225 | Gasket, Cylinder Head | 1 | Gasket | Amazon eBay |
| 12 050 01 | Oil Filter | 1 | Oil filter | Amazon eBay $19.06 KuduParts $11.00 FridayParts $33.98 |
| 12 050 01-S | Filter, oil | 1 | Oil filter | Amazon eBay $19.06 KuduParts $32.00 FridayParts $33.98 |
| 12 132 02-S | Spark Plug | 1 | Spark plug | buy |
| 120-0491 | Pump, Oil | 1 | Pump | Amazon eBay $30.00 |
| 120-1041 | Bearing, Oil Pump Idler Gear (Semi Finished) | 1 | Pump | Amazon eBay |
| 130-0755 | 8racket, Mounting Heater, Tank - 850 Watt, 115 Volt (Includes Hose Connector, Cord and Mounting Strap) | 1 | Hose | Amazon eBay |
| 130-2500 | Guard, Belt (Left Side) | 1 | Belt | Amazon eBay |
| 134-1437 | Spring - Injecion Pump Lever | 1 | Pump | Amazon eBay |
| 140-1787 | Hood, Air Cleaner | 1 | Air filter | Amazon eBay |
| 140-1791 | Indicator Service | 1 | Sensor | Amazon eBay |
| 140-1841 | Cleaner. Air (Includes Element) | 1 | Air filter | Amazon eBay $50.00 |
| 140-2174 | Cleaner, Air - Oil Bath Band. Mount ing | 1 2 | Air filter | Amazon eBay |
| 140-2234 | Tube. Air Inlet | Hose | Amazon eBay | |
| 141-0982 | Gasket | 2 | Gasket | Amazon eBay |
| 141-0983 | Gasket, Carburetor | 1 | Gasket | Amazon eBay |
| 147-0436 | Seal, Injector | 6 | Seal | Amazon eBay |
| 147-0465-12 | Pump, Fuel Injection (See Separate Page for Components) | 1 | Pump | Amazon eBay |
| 147-0701 | Injector, Fuel (Includes Seal) | 6 | Seal | Amazon eBay |
| 147-0856 | Injector, Fuel (Includes Parts Marked #) | 2 | Injector | Amazon eBay FridayParts $72.02 |
| 147-0864 | #O'Ring, Injector | 2 | Injector | Amazon eBay |
| 147-0865 | #O'Ring, Injector | 2 | Injector | Amazon eBay |
| 147-2715 | Remote Fuel Pump Kit EFI (HGJAA) | 1 | Fuel pump | Amazon eBay |
| 149-1445 | Filter | 1 | Fuel filter | Amazon eBay $19.95 |
| 149-1446 | Gasket, Cover | 1 | Gasket | Amazon eBay |
| 149-1828 | Pump, Fuel (Electric) | 1 | Pump | Amazon eBay $39.59 FridayParts $40.41 |
| 149-1914-04 | Element, Filter (Includes O-fling Seal) (2 M~CPXI) | 1 | Seal | Amazon eBay |
| 149-1920 | Plate, Mounting - Fuel Filter Elbow, Hose - Male | 1 | Fuel filter | Amazon eBay |
| 149-1921 | Plate, Mounting - Fuel Filter Elbow, Hose - Male | 1 | Fuel filter | Amazon eBay |
| 149-1922 | Spacer, Mounting - Fuel Filter | 1 | Fuel filter | Amazon eBay |
| 149-1949 | Head Assembly. Replacement (Includes Vent Plug. O-Ring Seals. Pump Assembly and Tube) Seal) | 1 | Seal | Amazon eBay |
| 149-1953 | Drain Assy (Includes Knob and Seal) | 1 | Seal | Amazon eBay |
| 149-2100 | Filter Assembly, Fuel Element. Filter | 1 | Fuel filter | Amazon eBay |
| 149-2106 | Element | 1 | Fuel filter | Amazon eBay $34.99 NAPA $61.61 KuduParts $68.00 |
| 149A159 | Gasket - Spacer - BLAKING mfr. pump only | 2 | Gasket | Amazon eBay |
| 149A551 | Lever, Hand Primer - ONAN mfr. pump only | 1 | Pump | Amazon eBay |
| 149D693 | Pump, Fuel - ONAN mfr., with primer lever - Replaces earlier atyle pumps used, of any manufacture | 1 | Pump | Amazon eBay |
| 149K526 | Repair Kit, Fuel Pump | 1 | Fuel pump | Amazon eBay |
| 149K74 | Repair Kit, Fuel Pump - Includes parts marked (* anda) - For AC mfr., BLAKING mfr. or ONAN mfr. pumps | 1 | Fuel pump | Amazon eBay |
| 151-0437 | Kit, Throttle Modification (Fuel Injection Pump) | 1 | Fuel pump | Amazon eBay |
| 1512-0154 | Belt Fan | 1 | Belt | Amazon eBay |
| 154-3067-02 | Manifold Assy, Intake (Includes Hose Connector) | 1 | Hose | Amazon eBay |
| 154-3085 | Gasket, Intake Manifold | 2 | Gasket | Amazon eBay |
| 154P570 | Union, Manifold Flange | 2 | Exhaust | Amazon eBay |
| 155-2073 | Gasket, Exhaust Pipe | 1 | Gasket | Amazon eBay |
| 155-2415 | Seal, Muffler Support | 18 | Seal | Amazon eBay |
| 155-2619 | Spec D, Exhaust Manifold) *Gasket. Elbow - Exhaust (WC 0) | 1 | Gasket | Amazon eBay |
| 15SA47 | Tube, Flexible Exhaust | 2 | Exhaust | Amazon eBay |
| 165-2203 | Gasket, Manifold - Exhaust (&xx A-C) | : | Gasket | Amazon eBay |
| 167-0272 | Spark plug | 2 | Spark plug | Amazon eBay |
| 168-0174 | Kit, Gasket - Valve Grind | 1 | Gasket | Amazon eBay |
| 185-2175 | Gasket | 1 | Gasket | Amazon eBay |
| 185-2199 | Band, Mounting - Air Cleaner | 1 | Air filter | Amazon eBay |
| 185-2203 | Gasket, Manifold - Exhaust (&xx A-C) | 1 | Gasket | Amazon eBay |
| 185-2239 | Clamp, Hose | 1 | Hose | Amazon eBay |
| 185-2240 | Clamp, Hose | 2 | Hose | Amazon eBay |
| 185-2266 | Alternator (12 VDC) (See Separate Page for Components) | 1 | Alternator | Amazon eBay |
| 185-2284 | Gasket | 2 | Gasket | Amazon eBay |
| 185-2300 | Clamp, Hose | 1 | Hose | Amazon eBay |
| 185-2311 | Housing, Thermostat | 1 | Thermostat | Amazon eBay FridayParts $27.75 |
| 185-2421 | Hose, Rubber - Overflow | 1 | Hose | Amazon eBay |
| 187-6224 | Gasket, Rocker Cover | 1 | Gasket | Amazon eBay |
| 187-6230 | Gasket, Cylinder Head (1) | 1 | Gasket | Amazon eBay |
| 187-6238 | Gasket, Breather Plate | 1 | Gasket | Amazon eBay |
| 191-1368 | Arm, Alternator Adjusting | 1 | Alternator | Amazon eBay |
| 191-1872 | Alternator (12 VDC) (Gl) | 1 | Alternator | Amazon eBay |
| 191-1983-01 | Alternator | 1 | Alternator | Amazon eBay |
| 191-2085 | Strap, Alternator Adjust | 1 | Alternator | Amazon eBay |
| 193-0247 | 'Sender, Temperature - Engine Coolant | 1 | Sensor | Amazon eBay |
| 193-0469 | Sensor, Map | 1 | Sensor | Amazon eBay |
| 193-0480 | Sensor, Manifold Air Temperature | 1 | Sensor | Amazon eBay |
| 24 032 19-S | Seal, oil front | 1 | Seal | FridayParts $10.99 |
| 24 050 01-S | Filter, breather | 8 | Filter | buy |
| 24 083 02 | Precleaner element | 1 | Air filter | buy |
| 24 083 02-S | Precleaner | 8 | Air filter | buy |
| 24 083 05-S | Precleaner | 8 | Air filter | buy |
| 24 083 08 | Air cleaner element | 1 | Air filter | buy |
| 24 083 08-S | Element, air filter | 1 | Air filter | buy |
| 24 083 09-S | Element, air filter | 1 | Air filter | buy |
| 24 153 01-S | O-ring | 1 | Seal | buy |
| 24 153 08-S | O-ring | 1 | Seal | buy |
| 24 153 21-S | O-ring, oil cooler | 1 | Seal | buy |
| 24 393 51-S | Kit, oil pump assembly (includes items 12, 13) | 1 | Pump | buy |
| 24 590 01-A | Oil Cooler, 14RCA/L | Oil cooler | buy | |
| 24 590 27 | Dipstick | Oil dipstick | buy | |
| 24 590 29 | Oil Fill | 1 | Oil fill | buy |
| 241927 | Sensor, speed | 1 | Sensor | Amazon eBay $75.00 |
| 25 032 06-S | Seal, oil | 1 | Seal | FridayParts $11.90 |
| 25 099 26-S | Switch, oil pressure | 1 | Sensor | buy |
| 25 132 14-S | Spark plug | 2 | Spark plug | buy |
| 25 158 08-S | Bushing, linkage retaining | 4 | Bushing | buy |
| 25 435 06-S | Kit, starter solenoid | 1 | Kit | buy |
| 269373 | Alternator Assembly | 1 | Alternator | Amazon eBay |
| 300-2880 | Board, Voltage Regulator (VR21) | 1 | Avr | Amazon eBay FridayParts $350.50 |
| 300-2906 | Board Assy, Printed Circuit - Over/Under Volt Sensor (A17) | i | Sensor | Amazon eBay |
| 302-0750 | 'Sender, Tachometer | 1 | Sensor | Amazon eBay |
| 304A66 | Resistor, 4xELI | 1 | Resistor | Amazon eBay |
| 305-0491 | REGULATOR. 305-0491 | 1 | Avr | Amazon eBay |
| 305-0901 | Sensor, Low Battery Voltage | 1 | Sensor | Amazon eBay |
| 307-1061 | Relay, Starter Protection | 1 | Starter | Amazon eBay |
| 307P820 | Relay, Adjustabe Start Disconnect & Crankshaft Limiter | 1 | Relay | Amazon eBay |
| 309-0178 | Switch, High Water Temperature Top Mounted On Water Outlet Housing | 1 | Sensor | Amazon eBay $350.00 |
| 309-0179 | Switch, High Water Temperature (Standard Part) Side Mounted On Water Outlet Housing | 1 | Sensor | Amazon eBay |
| 309-0269 | Sender, Temperature-Lo Engine | 1 | Sensor | Amazon eBay $239.00 |
| 322-17 | Bulb, (2) Panel ( I ) Pilot | 2 | Lamp | Amazon eBay |
| 322P69 | Bracket, Mounting - Engine | 1 | Bracket | Amazon eBay |
| 323-1591 | # Plug, Seal (E1) | 1 | Seal | Amazon eBay |
| 323-1708 | # Seal, Cable (P8) | 4 | Seal | Amazon eBay |
| 332AI006 | Block, Terminal | 1 | Block | Amazon eBay |
| 332AI009 | Block, Terminal | 1 | Block | Amazon eBay |
| 358072 | 3/8"-16 UNC-2A THD Thrubolt | 1 | Bolt | Amazon eBay |
| 420A248 | Air filter | 1 | Air filter | Amazon Amazon eBay eBay |
| 501-0225 | 45' Lg - With Both Ends 1/8' NPT Male Fittings | 1 | Belt | Amazon eBay |
| 501-0227 | Line, Fuel - Flexible (24' La x 1/8' NPT Male x-1/8° NPT Male) | 1 | Hose | Amazon eBay |
| 502-0068 | Tee (3/8' x 5/8' x 5/8') to | 1 | Hose | Amazon eBay |
| 502-0313 | Elbow, Hose − 90° (1/8” Pipe to 1/4” Hose) | 1 | Hose | Amazon eBay |
| 502-0433 | [;b'$P&x 5/16 ID Hose] | 1 | Hose | Amazon eBay |
| 502-0613 | Connector, Hose | 1 | Hose | Amazon eBay |
| 502-0869 | Connector (3/8') | 1 | Hose | Amazon eBay |
| 502-0870 | Tee, Hose | 1 | Hose | Amazon eBay |
| 502-1314 | Connector, Hose | 1 | Hose | Amazon eBay |
| 503-0183 | Clamp, Hose | 1 | Hose | Amazon eBay |
| 503-0365 | Clamp, Hose | 1 | Hose | Amazon eBay |
| 503-0594 | Hose, Rubber - Preformed | 1 | Hose | Amazon eBay |
| 503-059b | Hose, Rubber - Preformed | 1 | Hose | Amazon eBay |
| 503-0685 | Clamp, Hose | 1 | Hose | Amazon eBay $15.00 |
| 503-1058 | Spacer, Fan Hose, Radiator - Upper | 1 | Hose | Amazon eBay |
| 503-1062 | Hose - Intake Manifold Water Pump (3/8' ID) | 1 | Hose | Amazon eBay |
| 503-1074 | Hose Reducer | 1 | Hose | Amazon eBay |
| 503-1084 | Elbow. Reducer | Hose | Amazon eBay | |
| 503-1250 | Hose, Water Bypass (5/8' Ill) | 1 | Hose | Amazon eBay |
| 503-1251 | Hose, Water Bypass (5/8' 10] | 1 | Hose | Amazon eBay |
| 503-1450 | Hose, Cleaner - Air | 1 | Hose | Amazon eBay |
| 503-1552-01 | Ho!M? (5/8' ID X 14') | 2 | Hose | Amazon eBay |
| 503-2126 | Hose, Vacuum | 1 | Hose | Amazon eBay |
| 503-365 | Clamp, Hose | 2 | Hose | Amazon eBay |
| 505-0180 | Plug, Pipe (1-1/4"), Air Cleaner Adapter and Intake Manifold | 1 | Air filter | Amazon eBay |
| 505-382 | Nipple, Exhaust(3"x 2-5/8") | 2 | Exhaust | Amazon eBay |
| 505-4 | Hose (Order 6 “of Bulk Hose Number 503-324) | I 9 | Hose | Amazon Amazon eBay eBay |
| 509-0125 | Key, Handle - Screw, Lock (3/8 - 16 x .75") | 1 | Seal | Amazon eBay |
| 509-0191 | Seal, Oil (Includes Wear S1eeve ) | 1 | Seal | Amazon eBay |
| 509-0196 | O'Ring | 1 | Seal | Amazon eBay |
| 511-0112 | Belt, Fan | 1 | Belt | Amazon eBay |
| 515-0094 | Key, Crankshaft Woodruff Belt | 1 | Belt | Amazon eBay |
| 52 099 08-S | Switch, oil pressure | 1 | Sensor | buy |
| 520-2403 | Stud, Injection Pump (M8) | 3 | Pump | Amazon eBay |
| 718-1069 | Fan Pldl@y Sell. Vee Smwv, Cap Hex Head (M8 X I 25 X 25] | 1 | Belt | Amazon eBay |
| 750-1004 | Nut, Hex (M6 x 1) Washer, Lock - Spring (M6) Adapter, Hose Hose, Rubber - Preformed | 1 | Hose | Amazon eBay |
| ADV-6823-A | Air Filter, Spark Plug Location | 1 | Air filter | Amazon eBay |
| BKR-8YU11 | Spark Plug, CH20/CH740 | 4 | Spark plug | Amazon eBay |
| GM102176 | Oil pressure sensor boot | 1 | Sensor | Amazon eBay |
| GM103743 | Emergency Stop Switch (optional) | 1 | Emergency stop switch | Amazon eBay $59.99 |
| GM111084 | Shutdown Switch | 1 | Shutdown switch | Amazon eBay |
| GM20990 | Gasket | 4 | Gasket | Amazon eBay |
| GM28823 | Sensor, oil temperature | 1 | Sensor | Amazon eBay $50.00 |
| GM28981 | UEGO sensor interface harness | Sensor | eBay | |
| GM29253-GA2 | Controller Wiring Diagram | 1 | Controller wiring diagram | Amazon eBay |
| GM29358-B | Point-to-Point Wiring Diagram, Single Phase | 1 | Point-to-point wiring diagram | Amazon eBay |
| GM29385 | UEGO oxygen sensor service kit | Sensor | eBay | |
| GM51559 | 3/8"-16 UNC-2A THD Thrubolt | 1 | Thrubolt | Amazon eBay |
| GM80980 | Brush(es) | 1 | Brush | Amazon eBay |
| GM90969-KP1-QS | 3" Concrete Mounting Pad (only comes in quantities of 5) | Physical | Amazon eBay | |
| GM90969-KP2-QS | 4" Concrete Mounting Pad (only comes in quantities of 5) | Physical | Amazon eBay | |
| GM92228-KP1-QS | 3" Concrete Mounting Pad (only comes in quantities of 5) | Physical | Amazon eBay | |
| GM92228-KP2-QS | 4" Concrete Mounting Pad (only comes in quantities of 5) | Physical | Amazon eBay | |
| KO3226 | Electric Starter Service Kit | 1 | Battery | Amazon eBay |
| RSP-FT-02-US-91 | Pack first: complete service kit comprising air filter, air pre filter, spark plugs and oil filter. | Air filter | Amazon eBay | |
| RSP-FT-04-US-91 | Pack first: complete service kit comprising air filter, air pre filter, spark plugs and oil filter. | Air filter | Amazon eBay | |
| X-6422-31 | Seal | Seal | eBay | |
| 098-7130 | Label, Warning Heat | 1 | Service part / kit | Amazon eBay |
| 098-7369-01 | HDCAC | 2 | Service part / kit | Amazon eBay |
| 098-7374 | Label, Warning | 1 | Service part / kit | Amazon eBay |
| 098-7375 | Label, Switch | 1 | Service part / kit | Amazon eBay |
| 098-7376 | Label, Circuit Breaker | 1 | Service part / kit | Amazon eBay |
| 098-7398-01 | HDCAA | 2 | Service part / kit | Amazon eBay |
| 098-7398-02 | HDCAB | 2 | Service part / kit | Amazon eBay |
| 098-7399-01 | 45A, 2 Pole | 1 | Service part / kit | Amazon eBay |
| 098-7399-02 | 50A, 2 Pole | 1 | Service part / kit | Amazon eBay |
| 098-7461 | Label, Warning Hazardous Voltage | 1 | Service part / kit | Amazon eBay |
| 098-7462 | Label, Service Information Label, Model Ident | 1 | Service part / kit | Amazon eBay |
| 098-7463 | Label, Fuel Attachment | 1 | Service part / kit | Amazon eBay |
| 098-7464 | Label, Coolant Drain | 1 | Service part / kit | Amazon eBay |
| 098-7465-03 | Label, Control Face | 1 | Service part / kit | Amazon eBay |
| 098-7466 | Label, Control Rear | 1 | Service part / kit | Amazon eBay |
| 098-7497-01 | Label, Warning Install | 1 | Service part / kit | Amazon eBay |
| 098-7498-01 | Label, Warning Hazardous | 1 | Service part / kit | Amazon eBay |
| 098-7515-01 | Label, Warning Voltage | 1 | Service part / kit | Amazon eBay |
| 1-24-67 | Crankshaft | 1 | Service part / kit | Amazon eBay |
| 10-24-658 | Air Intake | 1 | Service part / kit | Amazon eBay |
| 101-0439 | Plate, Rear Bearing Bearing, Crankshaft | 1 | Service part / kit | Amazon eBay NAPA $95.66 |
| 102-0778 | Adapter, Pipe - Oil Drain | 1 | Service part / kit | Amazon eBay |
| 104-0032 | Gear, Crankshaft | 1 | Service part / kit | Amazon eBay NAPA $260.36 |
| 104-0091 | Washer, Flat (Special) | 4 | Service part / kit | Amazon eBay |
| 104-1953 | Washer, Flat (1/2' ID x 2.25' OD) | 1 | Service part / kit | Amazon eBay |
| 104-1958 | Marked *) Spec A/B Begin Spec C *Pulley Assy, Drive (Includes | 1 | Service part / kit | Amazon eBay |
| 104-2000 | Marked *) Spec A/B Begin Spec C *Pulley Assy, Drive (Includes | 1 | Service part / kit | Amazon eBay |
| 105-0058 | Plunger, Camshaft | 1 | Service part / kit | Amazon eBay |
| 105-0059 | Spring, Plunger | 1 | Service part / kit | Amazon eBay |
| 105-0508 | Shaft, Idler Gear | 1 | Service part / kit | Amazon eBay |
| 105-0513 | Gear, Idler (Includes Finished 8earing) | 1 | Service part / kit | Amazon eBay |
| 105-0519 | 8earing, Idler Gear (Semi Finished) | 1 | Service part / kit | Amazon eBay |
| 105-0541 | Washer, Thrust | 1 | Service part / kit | Amazon eBay |
| 105-0641 | Gear (Includes Spacer and Plate) | 1 | Service part / kit | Amazon eBay |
| 105-0676 | Camshaft | 1 | Service part / kit | Amazon eBay |
| 10S-2283 | Cap | 1 | Service part / kit | Amazon eBay |
| 11-24-3 | Exhaust | 1 | Service part / kit | Amazon eBay |
| 110-0904 | Rotocap, Exhaust | 2 | Service part / kit | Amazon eBay NAPA $116.06 FridayParts $124.86 |
| 110-1719 | Valve, Exhaust | 2 | Service part / kit | Amazon eBay |
| 110-2181-03 | .50 MM Oversize | 6 | Service part / kit | Amazon eBay |
| 110-2781-01 | Standard | 6 | Service part / kit | Amazon eBay |
| 110-2781-02 | .25 MM Oversize | 6 | Service part / kit | Amazon eBay |
| 110-3045 | Standard | 1 | Service part / kit | Amazon eBay FridayParts $124.86 |
| 110-3226-01 | Standard | 6 | Service part / kit | Amazon eBay |
| 110-3226-02 | .25 MM Oversize | 6 | Service part / kit | Amazon eBay |
| 110-3226-03 | .50 MM Oversize | 6 | Service part / kit | Amazon eBay |
| 110-3245 | Cap, Valve Stem (Not used on some early models) | 1: | Service part / kit | Amazon eBay |
| 110-3462 | Valve, Exhaust Valve | 2 | Service part / kit | Amazon eBay |
| 110-3462-01 | Oversize | 2 | Service part / kit | Amazon eBay |
| 110-3462-02 | .005' Oversize | 2 | Service part / kit | Amazon eBay |
| 110-3462-03 | .010' Oversize | 2 | Service part / kit | Amazon eBay |
| 110-3462-04 | .025' Oversize Seat, Intake Valve | 2 | Service part / kit | Amazon eBay |
| 110-3490 | 0.5 MM Oversize | Service part / kit | Amazon eBay | |
| 110-3655 | .005' Oversize | 2 | Service part / kit | Amazon eBay |
| 110-3655-05 | Piston Ring Standard .005 Oversize | 24 | Service part / kit | Amazon eBay |
| 110-3655-10 | .010' Oversize | 2 | Service part / kit | Amazon eBay |
| 112-0265 | Piston (Includes Pin, Rings and Retaining Rings) Oversize Oversize Oversize Oversize | 2 | Service part / kit | Amazon eBay |
| 112-0265-01 | Standard Oversize | 2 | Service part / kit | Amazon eBay |
| 112-0265-02 | Standard Oversize | 2 | Service part / kit | Amazon eBay |
| 112-0265-03 | Standard Oversize | 2 | Service part / kit | Amazon eBay |
| 112-0265-05 | Standard Oversize | 2 | Service part / kit | Amazon eBay |
| 112-0267 | Standard Oversize | 2 | Service part / kit | Amazon eBay |
| 112-0268 | Pin, Piston Ring, Retaining | 2 | Service part / kit | Amazon eBay |
| 113-0311 | Standard Oversize Oversize | 2 | Service part / kit | Amazon eBay |
| 113-0311-01 | .010 Oversize | 2 | Service part / kit | Amazon eBay |
| 113-0311-02 | .020 Oversize | 2 | Service part / kit | Amazon eBay |
| 113-0311-03 | .030 Oversize | 2 | Service part / kit | Amazon eBay |
| 113-0311-05 | Standard | 2 | Service part / kit | Amazon eBay |
| 114-0036 | Bushing, Bearing, Connecting Rod | 2 | Service part / kit | Amazon eBay |
| 114-0188 | Standard | 4 | Service part / kit | Amazon eBay $29.95 |
| 114-0188-02 | .002' Undersize .010' Undersize | 4 | Service part / kit | Amazon eBay |
| 114-0188-10 | .010' Undersize .020' Unders0size | 4 | Service part / kit | Amazon eBay |
| 114-0188-20 | .020' Undersize | 4 | Service part / kit | Amazon eBay |
| 114-0203 | Rod, Connecting (Includes Bolt and Bushing) | 2 | Service part / kit | Amazon eBay |
| 115-0202 | Ball, Rocker Arm | 1: | Service part / kit | Amazon eBay |
| 115-0204 | Short | 6 | Service part / kit | Amazon eBay |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Standby | 25% | 2.6 | 93.0 |
| Standby | 50% | 3.5 | 124.0 |
| Standby | 75% | 4.7 | 163.0 |
| Standby | 100% | 5.4 | 193.0 |
Available documents
Spec sheet (Kohler)Spec sheet — 14-20-RESA-Kohler-Residential-Generator (Kohler)Spec sheet — 14-20RESAL-Kohler-Residential-Generator (Kohler)Spec sheet — Kohler.14.20.RESAL.SPEC.g4210.1.15 (Kohler)Spec sheet — g4245 (Kohler)Operator's manual (Kohler)Operator's manual — 14RESx 20RESx Operation (Kohler)Reference (Kohler)Reference — 21-03R Air-Cooled Residential Product Updates - 2021 (Kohler)Reference — RES Consumer Referral Rebate (Kohler)Reference — ReferralRebateForm Editable1 (Kohler)Reference — Rotor Stator Reading Form (Kohler)Reference — g6120 g11124 (Kohler)Reference — g6130 (Kohler)Reference — tp6766cmp (Kohler)Reference — tp7004 (Kohler)Owner's manual — TP-6804 1218M (Kohler)Owner's manual — tp6734 (Kohler)Owner's manual — tp6796 (Kohler)Owner's manual — tp6804 (Kohler)Owner's manual — tp6804cmp (Kohler)Parts manual (Kohler)Parts manual — Kohler 2017 Referral Rebate Consumer RES (Kohler)Parts manual — Kohler 2019 RES Consumer Referral Rebate (Kohler)Parts manual — tp6736 (Kohler)Parts manual — tp6806 (Kohler)Parts manual — tt1589 (Kohler)Service manual — Controllers tt1589 (Kohler)Service manual — Install 14 20 RESA (Kohler)Service manual — TP-6803 1218N (Kohler)Service manual — TT-1773 (Kohler)Service manual — sb751 (Kohler)Service manual — tp6733 (Kohler)Service manual — tp6947 (Kohler)Service manual — tt1445 (Kohler)Service manual — tt1566 (Kohler)Service manual — tt1568 (Kohler)Service manual — tt1596 (Kohler)Service manual — tt1613 (Kohler)Service manual — tt1618 (Kohler)Service manual — tt1619 (Kohler)Service manual — tt1634 (Kohler)Service manual — tt1674 (Kohler)Service manual — tt1708 (Kohler)Service manual — tt1709 (Kohler)Service manual — tt1717 (Kohler)Service manual — tt1718 (Kohler)
This page was generated from the 47 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.