The Kohler Command PRO OHV CH1000 is a 1 L engine rated at 3600 rpm. It powers generator sets from Kohler, including the 20RES.
Also known as: KOHLER Command PRO OHV CH1000
Part of the Kohler CH1000 engine family — 3 variants share parts & fitment.
| Displacement | 0.999 L |
|---|---|
| Rated speed | 3600 rpm |
Compiled from service & troubleshooting documentation across every generator set that uses the Kohler Command PRO OHV CH1000.
| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| Oil level | Check | 8 hr | Before each use or every 8 hours for extended operation | |
| Oil (14 kW) | Change | 100 hr | 12 mo | |
| Air cleaner | Clean | 150 hr | 12 mo | Yearly or 150 hours; service more often in dusty 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 |
| Engine oil | Change | 150 hr | 12 mo | Yearly or 150 hours |
| 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 cooler (20RESB only) | Clean | 150 hr | 12 mo | 20RESB only; yearly or 150 hours |
| Oil filter | Replace | 200 hr | 12 mo | Yearly or 150 hours |
| Oil filter (20 kW) | Replace | 150 hr | 12 mo | |
| Replace filter | Replace | 200 hr | 12 mo | 20 kW models |
| Spark plugs | Check | 150 hr | 12 mo | Yearly or 150 hours; reset gap or replace as necessary |
| Oil filter (14 kW) | Replace | 200 hr | 12 mo | |
| Air cleaner | Replace | 300 hr | 12 mo | Yearly or 300 hours; replace paper element |
| Air cleaner service | Replace | 300 hr | 14 kW models | |
| Brushes and collector ring | Inspect | 300 hr | 12 mo | Yearly or 300 hours; authorized distributor/dealer only |
| Generator brushes and collector ring | Replace | 300 hr | 12 mo | Authorized distributor only |
| Spark plugs | Replace | 300 hr | 12 mo | Yearly or 300 hours |
| 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 | |
| Stepper motor coupling and bushing | Replace | 500 hr | Authorized distributor/dealer only | |
| Wire-cable insulation condition | Inspect | 500 hr | 36 mo | 3 years or 500 hours |
| Air ducts and louvers | Clean | 12 mo | ||
| Air ducts, louvers | Clean | 12 mo | Yearly | |
| Air ducts, louvers | Inspect | 12 mo | 14 kW models | |
| Battery | Check | 1 mo | Check charger operation, charge rate | |
| Battery and rack corrosion | Clean | 12 mo | Yearly; remove corrosion, clean and dry | |
| Battery charger operation, charge rate | Check | 1 mo | Monthly | |
| Battery electrolyte level and specific gravity | Check | 12 mo | Yearly; not necessary for maintenance-free batteries | |
| Battery terminals and boots | Clean | 12 mo | Yearly; clean and tighten terminals, inspect boots | |
| 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 | |
| Control and power wiring connections | Other | 12 mo | Yearly; tighten connections | |
| Exhaust system insulation and fire hazards | Inspect | 12 mo | Yearly | |
| Flexible fuel lines and connections | Inspect | 3 mo | Quarterly; replace as necessary | |
| 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 |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| 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 (0.030 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 cell specific gravity difference | 0.01 | max difference | |
| Other | Battery charge threshold | 1.215 | specific gravity | below this at 80°F (26.7°C), charge battery |
| Other | Battery specific gravity | 1.260 | specific gravity | fully charged at 80°F (26.7°C) |
| 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 |
| 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 |
| Speed | Engine speed | 3600 | RPM | |
| 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 (60 ± 5F) | |
| Temperature | Carburetor heater thermostat OFF | 16 ±3 | °C | 14 kW models; 60 ±5°F |
| Temperature | Carburetor heater thermostat ON | 4 ± 4 | C (40 ± 7F) | |
| 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 | Exhaust temperature | 260 | C | 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 | 16 ± 3 | °C | Thermostat OFF (60 ± 5°F) |
| Temperature | Thermostat ON | 4 ± 4 | °C | Thermostat ON (40 ± 7°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 (18--22 ft. lb.) | |
| 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.) |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Engine oil | 5W-30 or 10W-30 | API Service Class SG, SH, or SJ synthetic | 1.9 L | 20RESB/D; capacity may be less due to residual oil; fill to F mark on dipstick | |
| 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 or LPG | Natural gas: 90% min methane. LPG: 85% min propane. Fuel supply pressure: Natural gas 0.9-2.7 kPa, LPG 1.7-2.7 kPa | |||
| 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 | Certified for emergency standby use only; field-convertible multi-fuel |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| 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 (digital input from optional PIM). | Shutdown | Check customer-supplied equipment. |
| Batt Chg Flt | Battery Charger Fault | Input to PIM from external battery charger (not built-in 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 High | Engine starting battery voltage rises above 16 VDC for more than 10 seconds; inhibited during crank. | Warning | Check battery rating and condition; check battery charger operation. |
| Battery Low | Battery Low | Engine starting battery voltage falls below 12.5 VDC for more than 90 seconds when engine not running; not operative during crank. | Warning | Check battery rating and condition; check charger; charge or replace battery. |
| 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 authorized distributor/dealer. |
| 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 and reset if tripped; contact dealer. |
| Exer Not Sch | Exercise Not Scheduled | No exercise is scheduled on controller. | Warning | Set the exerciser. |
| Frequency High | Frequency High | Governed frequency exceeds 110% of system frequency setpoint for more than 10 seconds; active 10 seconds after start. | Shutdown | Contact authorized distributor/dealer. |
| Frequency Low | Frequency Low | Governed frequency falls below 90% of system frequency for more than 10 seconds, or 1 Hz below setpoint for more than 60 seconds; active 10 seconds after start. | Shutdown | Reduce load and restart; check enclosure thermostat and reset if tripped; contact 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 | Locked Rotor | No engine rotation sensed during cranking; shuts down 3 seconds after fault detected. | Shutdown | Check battery and loose connections; contact 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 | Overcurrent fault on 70 controller power output (short circuit). | Shutdown | Check for shorted run relay and wiring short circuits; contact dealer. |
| 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 Auto | Generator set is not in Automatic standby mode; remote start/stop commands ignored. | Warning | Press AUTO to place in Automatic mode when appropriate. |
| Oil Pres Low | Low Oil Pressure | LOP switch indicates low oil pressure for more than 5 seconds; active 30 seconds after crank disconnect. | Shutdown | Check lubrication system leaks and oil level; add oil if low. |
| 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 dealer. |
| Spd Sens Flt | Speed Sensor Fault | Engine speed sensor failed or engine stalled. | Shutdown | Contact authorized distributor/dealer. |
| 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 authorized distributor/dealer. |
| 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 and reset if tripped; contact dealer. |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
⚠ Hazardous voltage.
⚠ Moving parts.
Tools: frequency meter
⚠ Explosive fuel vapors.
⚠ Accidental starting.
Tools: dry cloth or brush, pipe sealant, gas leak detector
⚠ Explosive fuel vapors.
⚠ Accidental starting.
Tools: gas leak detector
Tools: digital voltmeter, personal computer, SiteTech software
Tools: digital voltmeter
Tools: clamp-on DC current probe or DC current meter
⚠ Hazardous voltage.
⚠ Moving parts.
Tools: digital multimeter
⚠ Always identify and correct the cause before resetting.
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| 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 | Single | ||
| 110/220 | 3 | Delta | ||
| 115/230 | 1 | Single | ||
| 120 | 1 | Single | Genset System Voltage/Frequency/Phase table for controller setup | |
| 120/208 | 3 | Wye | ||
| 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 | 1 | Single phase | 4 | 1.0 power factor |
| 120/240 | 3 | Delta | ||
| 127/220 | 3 | Wye | ||
| 220 | 1 | Single | ||
| 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.
| Part # | Description | Category |
|---|---|---|
| 140-1787 | Hood, Air Cleaner | Air filter |
| 140-1841 | Cleaner. Air (Includes Element) | Air filter |
| 140-2174 | Cleaner, Air - Oil Bath Band. Mount ing | Air filter |
| 185-2199 | Band, Mounting - Air Cleaner | Air filter |
| 505-0180 | Plug, Pipe (1-1/4"), Air Cleaner Adapter and Intake Manifold | Air filter |
| 62 083 04-S | Element, air filter | Air filter |
| 185-2266 | Alternator (12 VDC) (See Separate Page for Components) | Alternator |
| 191-1368 | Arm, Alternator Adjusting | Alternator |
| 191-1872 | Alternator (12 VDC) (Gl) | Alternator |
| 191-1983-01 | Alternator | Alternator |
| 191-2085 | Strap, Alternator Adjust | Alternator |
| 300-2880 | Board, Voltage Regulator (VR21) | Avr |
| 305-0491 | REGULATOR. 305-0491 | Avr |
| 130-2500 | Guard, Belt (Left Side) | Belt |
| 1512-0154 | Belt Fan | Belt |
| 501-0225 | 45' Lg - With Both Ends 1/8' NPT Male Fittings | Belt |
| 511-0112 | Belt, Fan | Belt |
| 515-0094 | Key, Crankshaft Woodruff Belt | Belt |
| 718-1069 | Fan Pldl@y Sell. Vee Smwv, Cap Hex Head (M8 X I 25 X 25] | Belt |
| 332AI006 | Block, Terminal | Block |
| 332AI009 | Block, Terminal | Block |
| 322P69 | Bracket, Mounting - Engine | Bracket |
| 154P570 | Union, Manifold Flange | Exhaust |
| 15SA47 | Tube, Flexible Exhaust | Exhaust |
| 505-382 | Nipple, Exhaust(3"x 2-5/8") | Exhaust |
| 149-1445 | Filter | Fuel filter |
| 149-1920 | Plate, Mounting - Fuel Filter Elbow, Hose - Male | Fuel filter |
| 149-1921 | Plate, Mounting - Fuel Filter Elbow, Hose - Male | Fuel filter |
| 149-1922 | Spacer, Mounting - Fuel Filter | Fuel filter |
| 149-2100 | Filter Assembly, Fuel Element. Filter | Fuel filter |
| 149-2106 | Element | Fuel filter |
| 147-2715 | Remote Fuel Pump Kit EFI (HGJAA) | Fuel pump |
| 149K526 | Repair Kit, Fuel Pump | Fuel pump |
| 149K74 | Repair Kit, Fuel Pump - Includes parts marked (* anda) - For AC mfr., BLAKING mfr. or ONAN mfr. pumps | Fuel pump |
| 151-0437 | Kit, Throttle Modification (Fuel Injection Pump) | Fuel pump |
| 103-0731 | Gasket, Gearcase | Gasket |
| 103-0733 | Gasket, Gearcase Backplate | Gasket |
| 110-1718 | Head, Cylinder Gasket, Cylinder Head | Gasket |
| 110-2987 | Gasket, Cylinder Head | Gasket |
| 110-3225 | Gasket, Cylinder Head | Gasket |
| 141-0982 | Gasket | Gasket |
| 141-0983 | Gasket, Carburetor | Gasket |
| 149-1446 | Gasket, Cover | Gasket |
| 149A159 | Gasket - Spacer - BLAKING mfr. pump only | Gasket |
| 154-3085 | Gasket, Intake Manifold | Gasket |
| 155-2073 | Gasket, Exhaust Pipe | Gasket |
| 155-2619 | Spec D, Exhaust Manifold) *Gasket. Elbow - Exhaust (WC 0) | Gasket |
| 165-2203 | Gasket, Manifold - Exhaust (&xx A-C) | Gasket |
| 168-0174 | Kit, Gasket - Valve Grind | Gasket |
| 185-2175 | Gasket | Gasket |
| 185-2203 | Gasket, Manifold - Exhaust (&xx A-C) | Gasket |
| 185-2284 | Gasket | Gasket |
| 187-6224 | Gasket, Rocker Cover | Gasket |
| 187-6230 | Gasket, Cylinder Head (1) | Gasket |
| 187-6238 | Gasket, Breather Plate | Gasket |
| 62 041 24-S | Gasket, lifter feed cover | Gasket |
| GM20990 | Gasket | Gasket |
| 130-0755 | 8racket, Mounting Heater, Tank - 850 Watt, 115 Volt (Includes Hose Connector, Cord and Mounting Strap) | Hose |
| 140-2234 | Tube. Air Inlet | Hose |
| 154-3067-02 | Manifold Assy, Intake (Includes Hose Connector) | Hose |
| 185-2239 | Clamp, Hose | Hose |
| 185-2240 | Clamp, Hose | Hose |
| 185-2300 | Clamp, Hose | Hose |
| 185-2421 | Hose, Rubber - Overflow | Hose |
| 501-0227 | Line, Fuel - Flexible (24' La x 1/8' NPT Male x-1/8° NPT Male) | Hose |
| 502-0068 | Tee (3/8' x 5/8' x 5/8') to | Hose |
| 502-0313 | Elbow, Hose − 90° (1/8” Pipe to 1/4” Hose) | Hose |
| 502-0433 | [;b'$P&x 5/16 ID Hose] | Hose |
| 502-0613 | Connector, Hose | Hose |
| 502-0869 | Connector (3/8') | Hose |
| 502-0870 | Tee, Hose | Hose |
| 502-1314 | Connector, Hose | Hose |
| 503-0183 | Clamp, Hose | Hose |
| 503-0365 | Clamp, Hose | Hose |
| 503-0594 | Hose, Rubber - Preformed | Hose |
| 503-059b | Hose, Rubber - Preformed | Hose |
| 503-0685 | Clamp, Hose | Hose |
| 503-1058 | Spacer, Fan Hose, Radiator - Upper | Hose |
| 503-1062 | Hose - Intake Manifold Water Pump (3/8' ID) | Hose |
| 503-1074 | Hose Reducer | Hose |
| 503-1084 | Elbow. Reducer | Hose |
| 503-1250 | Hose, Water Bypass (5/8' Ill) | Hose |
| 503-1251 | Hose, Water Bypass (5/8' 10] | Hose |
| 503-1450 | Hose, Cleaner - Air | Hose |
| 503-1552-01 | Ho!M? (5/8' ID X 14') | Hose |
| 503-2126 | Hose, Vacuum | Hose |
| 503-365 | Clamp, Hose | Hose |
| 505-4 | Hose (Order 6 “of Bulk Hose Number 503-324) | Hose |
| 750-1004 | Nut, Hex (M6 x 1) Washer, Lock - Spring (M6) Adapter, Hose Hose, Rubber - Preformed | Hose |
| 147-0856 | Injector, Fuel (Includes Parts Marked #) | Injector |
| 147-0864 | #O'Ring, Injector | Injector |
| 147-0865 | #O'Ring, Injector | Injector |
| 322-17 | Bulb, (2) Panel ( I ) Pilot | Lamp |
| 52 050 02-S | Filter, oil | Oil filter |
| 098-7130 | Label, Warning Heat | Service part / kit |
| 098-7369-01 | HDCAC | Service part / kit |
| 098-7374 | Label, Warning | Service part / kit |
| 098-7375 | Label, Switch | Service part / kit |
| 098-7376 | Label, Circuit Breaker | Service part / kit |
| 098-7398-01 | HDCAA | Service part / kit |
| 098-7398-02 | HDCAB | Service part / kit |
| 098-7399-01 | 45A, 2 Pole | Service part / kit |
| 098-7399-02 | 50A, 2 Pole | Service part / kit |
| 098-7461 | Label, Warning Hazardous Voltage | Service part / kit |
| 098-7462 | Label, Service Information Label, Model Ident | Service part / kit |
| 098-7463 | Label, Fuel Attachment | Service part / kit |
| 098-7464 | Label, Coolant Drain | Service part / kit |
| 098-7465-03 | Label, Control Face | Service part / kit |
| 098-7466 | Label, Control Rear | Service part / kit |
| 098-7497-01 | Label, Warning Install | Service part / kit |
| 098-7498-01 | Label, Warning Hazardous | Service part / kit |
| 098-7515-01 | Label, Warning Voltage | Service part / kit |
| 101-0439 | Plate, Rear Bearing Bearing, Crankshaft | Service part / kit |
| 102-0778 | Adapter, Pipe - Oil Drain | Service part / kit |
| 104-0032 | Gear, Crankshaft | Service part / kit |
| 104-0091 | Washer, Flat (Special) | Service part / kit |
| 104-1953 | Washer, Flat (1/2' ID x 2.25' OD) | Service part / kit |
| 104-1958 | Marked *) Spec A/B Begin Spec C *Pulley Assy, Drive (Includes | Service part / kit |
| 104-2000 | Marked *) Spec A/B Begin Spec C *Pulley Assy, Drive (Includes | Service part / kit |
| 105-0058 | Plunger, Camshaft | Service part / kit |
| 105-0059 | Spring, Plunger | Service part / kit |
| 105-0508 | Shaft, Idler Gear | Service part / kit |
| 105-0513 | Gear, Idler (Includes Finished 8earing) | Service part / kit |
| 105-0519 | 8earing, Idler Gear (Semi Finished) | Service part / kit |
| 105-0541 | Washer, Thrust | Service part / kit |
| 105-0641 | Gear (Includes Spacer and Plate) | Service part / kit |
| 105-0676 | Camshaft | Service part / kit |
| 10S-2283 | Cap | Service part / kit |
| 110-0904 | Rotocap, Exhaust | Service part / kit |
| 110-1719 | Valve, Exhaust | Service part / kit |
| 110-2181-03 | .50 MM Oversize | Service part / kit |
| 110-2781-01 | Standard | Service part / kit |
| 110-2781-02 | .25 MM Oversize | Service part / kit |
| 110-3045 | Standard | Service part / kit |
| 110-3226-01 | Standard | Service part / kit |
| 110-3226-02 | .25 MM Oversize | Service part / kit |
| 110-3226-03 | .50 MM Oversize | Service part / kit |
| 110-3245 | Cap, Valve Stem (Not used on some early models) | Service part / kit |
| 110-3462 | Valve, Exhaust Valve | Service part / kit |
| 110-3462-01 | Oversize | Service part / kit |
| 110-3462-02 | .005' Oversize | Service part / kit |
| 110-3462-03 | .010' Oversize | Service part / kit |
| 110-3462-04 | .025' Oversize Seat, Intake Valve | Service part / kit |
| 110-3490 | 0.5 MM Oversize | Service part / kit |
| 110-3655 | .005' Oversize | Service part / kit |
| 110-3655-05 | Piston Ring Standard .005 Oversize | Service part / kit |
| 110-3655-10 | .010' Oversize | Service part / kit |
| 112-0265 | Piston (Includes Pin, Rings and Retaining Rings) Oversize Oversize Oversize Oversize | Service part / kit |
| 112-0265-01 | Standard Oversize | Service part / kit |
| 112-0265-02 | Standard Oversize | Service part / kit |
| 112-0265-03 | Standard Oversize | Service part / kit |
| 112-0265-05 | Standard Oversize | Service part / kit |
| 112-0267 | Standard Oversize | Service part / kit |
| 112-0268 | Pin, Piston Ring, Retaining | Service part / kit |
| 113-0311 | Standard Oversize Oversize | Service part / kit |
| 113-0311-01 | .010 Oversize | Service part / kit |
| 113-0311-02 | .020 Oversize | Service part / kit |
| 113-0311-03 | .030 Oversize | Service part / kit |
| 113-0311-05 | Standard | Service part / kit |
| 114-0036 | Bushing, Bearing, Connecting Rod | Service part / kit |
| 114-0188 | Standard | Service part / kit |
| 114-0188-02 | .002' Undersize .010' Undersize | Service part / kit |
| 114-0188-10 | .010' Undersize .020' Unders0size | Service part / kit |
| 114-0188-20 | .020' Undersize | Service part / kit |
| 114-0203 | Rod, Connecting (Includes Bolt and Bushing) | Service part / kit |
| 115-0202 | Ball, Rocker Arm | Service part / kit |
| 115-0204 | Short | Service part / kit |
| 115-0253 | Pushrod | Service part / kit |
| 115-0270 | Long | Service part / kit |
| 115-0313 | Guide, Pushrod | Service part / kit |
| 115-0315 | Locknut, Rocker Arm | Service part / kit |
| 115-0316 | Arm, Rocker | Service part / kit |
| 120-0920 | Tube, Rocker Arm Oil | Service part / kit |
| 120-1063 | Washer, Flat | Service part / kit |
| 123-1533 | Indicator, Oil Level | Service part / kit |
| 123-1534 | Head Flange (M8 x 19MM) Tube, Oil Level | Service part / kit |
| 123-1535 | Screw, Self-Locking - Hex (#8-18 x 1/2') | Service part / kit |
| 130-0810 | Guard, Fan - Right Side | Service part / kit |
| 130-0811 | Gual'd, Fan - Left Side | Service part / kit |
| 130-1805 | Guard, '8elt Screw, Locking - Hex Washer Head (!5/16-18 x 1/2') | Service part / kit |
| 130-2493 | Guard, 8elt (Right Side) | Service part / kit |
| 130-3024 | Brace, Radiator | Service part / kit |
| 130-3870 | Guard, Scroy, Capt+ex Head (Mtox | Service part / kit |
| 130A80 | Screw, Hex Cap ( I /,$-20 x I “ ) | Service part / kit |
| 140-0722 | Band, Mount ing | Service part / kit |
| 140-1260 | Fitting, Safety Filter | Service part / kit |
| 140-1559 | Hood | Service part / kit |
| 146-0736 | Body, Throttle | Service part / kit |
| 146-0773 | Insulator, Carburetor *Carburetor | Service part / kit |
| 146-0774 | Insulator, Carburetor *Carburetor | Service part / kit |
| 146-0782 | Body Assy, Throttle (See Separate Page for Components) | Service part / kit |
| 147-0673 | Clamps Six Lines Connector | Service part / kit |
| 147-0855 | Rail Assy, Fuel (Includes Parts Marked *) | Service part / kit |
| 147-0866 | Clamp, Fuel Rail | Service part / kit |
| 147-0867 | Regulator, Fuel Pressure | Service part / kit |
| 147-0868 | Ring, Pressure Regulator Snap | Service part / kit |
| 149-1908-04 | Plug. Pipe - Square Socket Drive Filter/Separator - Fuel (Pressure Type) (See | Service part / kit |
| 149-1908-06 | Filter/Separator - Fuel (Pressure Type) (Includes Electric Fuel Heater and Bowl Heater) (See Separate Page for Components) | Service part / kit |
| 149-1932 | Line, Fuel | Service part / kit |
| 149-1944 | Line. Fuel | Service part / kit |
| 149-1945 | Line, Fuel | Service part / kit |
| 149-1952 | Plug. Vent (Includes | Service part / kit |
| 149-2101 | Line, Fuel - Flexible | Service part / kit |
| 149-2102 | Line, Fuel - Flexible | Service part / kit |
| 149-243 | Retainer, Valve - AC Mir. | Service part / kit |
| 149A539 | Retainer, Valve Cage | Service part / kit |
| 149A672 | Spring, Diaphragm | Service part / kit |
| 149A675 | Spring, Rocker Arm | Service part / kit |
| 150-0723 | +Contact | Service part / kit |
| 150-0939 | Joint, Ball | Service part / kit |
| 150-1923 | Rod, Governor Control | Service part / kit |
| 150-1996 | Bracket, Mounting | Service part / kit |
| 150-2009 | Bracket, Support - Overspeed Contact (Nonmetallic) | Service part / kit |
| 150-2011 | Point, Contact - Electrical (1/4-20 X 3/8') | Service part / kit |
| 150-2512 | Bracket Screw, (Ma x 25mm) | Service part / kit |
| 150-2685 | Stator, Wound | Service part / kit |
| 150-2745 | Link, Throttle | Service part / kit |
| 150-2748 | Spring, Tension | Service part / kit |
| 150-2771 | Lever, Governor | Service part / kit |
| 151-0565 | Control Unit, Governor -12 VDC (A12) | Service part / kit |
| 151-0566 | Actuator, Governor | Service part / kit |
| 151-0567 | Arm, Governor (Includes Screw and Nut) | Service part / kit |
| 151-0718 | Rotor, Governor | Service part / kit |
| 151-0723 | Spring, Torsion | Service part / kit |
| 154-2485 | Adapter, Exhaust | Service part / kit |
| 154-3067-01 | Manifold, Intake | Service part / kit |
| 155-0996 | Elbow, Exhaust | Service part / kit |
| 155-1310 | 8and, Mounting | Service part / kit |
| 155-1425 | Standard | Service part / kit |
| 155-1430 | Spacer | Service part / kit |
| 155-1434 | Shield, Heat | Service part / kit |
| 155-1639 | Stainless Steel | Service part / kit |
| 155-1950 | Tube, Exhaust - Stainless Steel | Service part / kit |
| 155-2058 | Muffler. Exhaust Muffler, Exhaust - Spark Arrestor | Service part / kit |
| 155-2076 | Pipe. Exhaust | Service part / kit |
| 155-2083 | Muffler. Exhaust Muffler, Exhaust - Spark Arrestor | Service part / kit |
| 159-0020 | Cap, Tank | Service part / kit |
| 159-1128 | Strap, Hold Down | Service part / kit |
| 159-1129 | Brace | Service part / kit |
| 159-1234 | Bolt, U | Service part / kit |
| 166-0794 | Bracket, Ignition Control | Service part / kit |
| 166-0820 | Coil, Ignition (T1) | Service part / kit |
| 166-0821 | Module, Ignition Control (S3) | Service part / kit |
| 166-0842-01 | Rotor, Ignition | Service part / kit |
| 167-1615-01 | Cable, Spark Plug 9' | Service part / kit |
| 167-1615-05 | 23' | Service part / kit |
| 18.5-2282 | Cap Nut | Service part / kit |
| 185-2083 | Shaft Assembly, Fuel (Siy?e I Governor) | Service part / kit |
| 185-2085 | Plate, Screw. Cap Lockwasher | Service part / kit |
| 185-2106 | Scud (MB x 1125) Stud /MB x 1125) | Service part / kit |
| 185-2158 | Gear | Service part / kit |
| 185-2161 | CW | Service part / kit |
| 185-2162 | Retainer. Ball - Governor | Service part / kit |
| 185-2163 | Ring. Retaining Rina. Retainina | Service part / kit |
| 185-2164 | Race. Ball - Governor Race: Ball - G&ernor | Service part / kit |
| 185-2165 | Retaining Retaining | Service part / kit |
| 185-2187 | Key | Service part / kit |
| 185-2193 | Cap, Radiator | Service part / kit |
| 185-2201 | Cush ion | Service part / kit |
| 185-2206 | Cleaner Assembly, Air (See Separate Page for Components) | Service part / kit |
| 185-2223 | Shim (0.15nn) | Service part / kit |
| 185-2252 | Regulator, Voltage (12 VCC) | Service part / kit |
| 185-2255 | Radiator (Includes Cap) | Service part / kit |
| 185-2264 | Lever, Control - Speed | Service part / kit |
| 185-2269 | Bracket, Adjusting | Service part / kit |
| 185-2310 | Ring, Retaining | Service part / kit |
| 185-2316 | Bearing, Ball | Service part / kit |
| 185-2354 | Key | Service part / kit |
| 185-2357 | Ball Ring. Ball Ring. | Service part / kit |
| 185-2358 | Ball | Service part / kit |
| 185-2360 | Stud | Service part / kit |
| 185-2367 | Nut, Hex (MS x 1.25) fiex 8 | Service part / kit |
| 185-2369 | Ring, Retaining | Service part / kit |
| 185-2373 | O-R ing | Service part / kit |
| 185-2376 | Washer, Flat (M6) | Service part / kit |
| 185-2380 | Bolt, Hex - Lever Stop | Service part / kit |
| 185-2381 | Washer. Lock - Spring (MB) | Service part / kit |
| 185-2386 | Retaining - Hex Head with (M6 x 1 x 12mm) | Service part / kit |
| 185-2388 | Screw, Cap Lockwasher - Hex Head with (M6 x 1 x 16mm) | Service part / kit |
| 185-2392 | Screw. Cap - Hex Lockwasher (M6 x | Service part / kit |
| 185-2402 | Screw. Cap - Hex Head with Lockwasher 048 x 1.25 x 22mn) | Service part / kit |
| 185-2403 | Screw, Cap Lockwasher - Hex Head with (M8 x 1.25 x 25mm) | Service part / kit |
| 185-2405 | Screw, Cap - Hex Head with Lockwasher (M8 x 1.25 x 60mm) | Service part / kit |
| 185-2441 | Lever (Style Assembly, II Gov.) | Service part / kit |
| 185-2446 | Shaft Assemblv. Fuel (Stvle II Governor) | Service part / kit |
| 187-6025 | Pin, Dowel | Service part / kit |
| 187-6026 | Bolt, Flange | Service part / kit |
| 187-6030 | Bolt, Flange | Service part / kit |
| 187-6033 | Bolt, Flange Plug, Spark | Service part / kit |
| 187-6035 | Bolt, Flange | Service part / kit |
| 187-6042 | Standard | Service part / kit |
| 187-6043 | Pin, Piston | Service part / kit |
| 187-6055 | Tappet | Service part / kit |
| 187-6056 | Valve, Intake | Service part / kit |
| 187-6057 | Valve, Exhaust | Service part / kit |
| 187-6058 | Spring, Valve | Service part / kit |
| 187-6059 | Collet, Valve | Service part / kit |
| 187-6060 | Retainer, Spring | Service part / kit |
| 187-6085 | Pin, Snap | Service part / kit |
| 187-6092 | Washer | Service part / kit |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
The Kohler Command PRO OHV CH1000 has a displacement of 0.999 liters.
The Kohler Command PRO OHV CH1000 powers 1 generator set(s), including Kohler 20RES.
A commonly reported issue on generators using the Kohler Command PRO OHV CH1000 is: Generator set stops suddenly. Cause: Low oil pressure shutdown. Fix: Check for oil leaks. Check the oil level and add oil if necessary.