Specifications
| Fuel | gasoline/lp |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 150 kW |
| Prime power | 4 kW |
Maintenance & consumables
for the Cummins/Onan KY/KYD| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 150 hr | find | ||
| Fuel filter | — | 450 hr | find | ||
| Oil filter | — | 250 hr | find | ||
| Belt | — | 250 hr | find | ||
| Coolant | — | 450 hr | |||
| Oil | — | 450 hr |
Common questions
What is the power rating of the Cummins/Onan KY?
The Cummins/Onan KY is rated 150 kW standby.
What engine does the Cummins/Onan KY use?
The Cummins/Onan KY is powered by the Cummins/Onan KY/KYD engine.
What fuel does the Cummins/Onan KY use?
The Cummins/Onan KY runs on gasoline/lp.
Troubleshooting
9Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Fails To Crank | Low battery, Bad battery connection, Blown fuse | Check battery fluid level, Clean & tighten all battery & cable connections, Replace fuse on control panel |
| Cranks But Won’t Start | Fuel below generator pickup level in tank, Fuel supply shutoff valve closed, Carbon deposits on spark plug(s), Low oil level | Add fuel, Fully open fuel supply valve, Remove spark plug(s) and replace, Add oil |
| Exhausting Black Smoke | Dirty air filter | Replace air filter |
| Unit Runs Then Stops, Or Stops When Driving Around A Corner | Low fuel level, Low oil level, Excess oil | Add fuel, Add oil, Reduce engine oil level |
| Unit Starts And Runs, Then Stops When The Start Switch Is Released | Low fluid levels, Possible overheating, Other functional problem | Check & bring all fluids up to the appropriate levels, Check for blocked air flow or other possible causes of overheating, Contact an Cummins Onan Authorized RV Service & Parts Dealer |
| Unit Runs Then Surges | Loose or worn spark plug leads, Defective ignition coil, wiring, or control components, Faulty spark plug, Governor out of adjustment, Combustion air pre-heat malfunction, Carburetor icing, Carburetor varnishing | Check spark plug leads at spark plug & ignition coil, Contact an Cummins Onan Authorized RV Service & Parts Dealer, Remove spark plug & clean or replace, Contact an Cummins Onan Authorized RV Service & Parts Dealer, Contact an Cummins Onan Authorized RV Service & Parts Dealer, Contact an Cummins Onan Authorized RV Service & Parts Dealer |
| Circuit Breaker Trips | Overloaded circuit | Turn-off some of the electrical load, and reset the circuit breaker |
| The genset stops | Does the genset operate correctly from the genset controls? If it does not, the problem is in the genset, not the EC-20 controller. See the genset Operator, Installation, and Service Manuals. | |
| The indicator light in the Start/Stop switch turns off | Confirm that the correct connection diagram (Figures 5 - 7) was used, then check EC 30 wiring connections. Confirm that the correct voltages are present on each terminal. Check all terminal connections on both ends of the wiring harness. Are harness connectors properly joined? |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
155| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 110-3882 | Rings, Valve Guide | 2 | Seal | PartsGeek |
| 110-3893 | Gasket, Cylinder Head | 1 | Gasket | PartsGeek |
| 123-1917 | Tube, Breather | 1 | Hose | PartsGeek |
| 149-2311-01 | Pump, Fuel Electric | 1 | Pump | PartsGeek |
| 149-2457 | Filter, Fuel | 1 | Fuel filter | PartsGeek FridayParts $12.00 |
| 153-0639 | Gasket, Intake Manifold | 1 | Gasket | PartsGeek |
| 153-0640 | Element, Choke Thermostat | 1 | Thermostat | PartsGeek |
| 167-0275 | Plug, Spark (60Hz) | 1 | Spark plug | PartsGeek |
| 167-0305 | Plug, Spark (50Hz) | 1 | Spark plug | PartsGeek |
| 168-0213 | Gasket Kit KY | 1 | Gasket | PartsGeek |
| 294306 | Enclosure, transfer panel | 1 | Enclosure | PartsGeek |
| 295004 | Latch, locking | 1 | Latch | PartsGeek |
| 295034 | Socket, relay | 5 | Sensor | PartsGeek |
| 295044 | Transformer | 2 | Sensor | PartsGeek |
| 295045 | Transformer | 4 | Sensor | PartsGeek |
| 295048 | Transformer | 1 | Sensor | PartsGeek |
| 295064 | Transformer assy, 110-120V | 1 | Sensor | PartsGeek |
| 295066 | Transformer assy, 380-416V | 1 | Sensor | PartsGeek |
| 295068 | Switch, toggle | 1 | Sensor | PartsGeek |
| 295253 | Relay (DPDT) | 3 | Sensor | PartsGeek |
| 295254 | Relay (DPDT) | 2 | Sensor | PartsGeek |
| 295280 | Transformer | 2 | Sensor | PartsGeek |
| 295281 | Transformer | 2 | Sensor | PartsGeek |
| 295282 | Transformer | 2 | Sensor | PartsGeek |
| 295283 | Transformer | 2 | Sensor | PartsGeek |
| 295284 | Transformer | 4 | Sensor | PartsGeek |
| 295285 | Transformer | 4 | Sensor | PartsGeek |
| 295286 | Transformer | 4 | Sensor | PartsGeek |
| 295287 | Transformer | 4 | Sensor | PartsGeek |
| 295289 | Transformer | 4 | Sensor | PartsGeek |
| 295291 | Transformer | 4 | Sensor | PartsGeek |
| 295292 | Transformer | 4 | Sensor | PartsGeek |
| 295293 | Transformer | 4 | Sensor | PartsGeek |
| 295951 | Dead Buss Relay, 440-480V | 1 | Sensor | PartsGeek |
| 295987 | Relay assy | 1 | Sensor | PartsGeek |
| 297372 | Board assy, circuit | 1 | Sensor | PartsGeek |
| 297373 | Board assy, circuit | 1 | Sensor | PartsGeek |
| 297498 | Single Phase Sensing Board assy | 1 | Sensor | PartsGeek |
| 297499 | Single Phase Sensing Board assy | 1 | Sensor | PartsGeek |
| 297822 | Dead Buss Relay, 110-120V | 1 | Sensor | PartsGeek |
| 297823 | Dead Buss Relay, 190-208V | 1 | Sensor | PartsGeek |
| 297824 | Dead Buss Relay, 220-240V | 1 | Sensor | PartsGeek |
| 297825 | Dead Buss Relay, 380-416V | 1 | Sensor | PartsGeek |
| 297826 | Dead Buss Relay, 550-600V | 1 | Sensor | PartsGeek |
| 298776 | Base, tie wrap | 2 | Base | PartsGeek |
| 298777 | Enclosure complete | 1 | Envelope | PartsGeek |
| 503-1851 | Clamp, Hose | 2 | Hose | PartsGeek |
| 503-2735 | Hose, Fuel | 1 | Hose | PartsGeek |
| 509-0289 | Seal, Valve Stem | 1 | Seal | PartsGeek |
| 510-0182 | Seal, Oil | 1 | Seal | PartsGeek |
| 981-0503 | Spark Plug | 2 | Spark plug | PartsGeek |
| 981-0607 | Fuel Filter | 1 | Fuel filter | PartsGeek |
| A-295045 | Transformer assy, 220-240V | 1 | Sensor | PartsGeek |
| A-295046 | Transformer assy, 440-480V | 1 | Sensor | PartsGeek |
| A-295047 | Transformer assy, 550-600V | 1 | Sensor | PartsGeek |
| A-295048 | Transformer assy, 110-120V | 1 | Sensor | PartsGeek |
| A-295050 | Transformer assy, 380-416V | 1 | Sensor | PartsGeek |
| A065U664 | Temperature Sensor (with Mounting Screws) | 1 | Temperature sensor | PartsGeek |
| SN5304U1G2RA | Engine | 1 | Engine | PartsGeek |
| X-25-7 | Washer, plain | 4 | Washer | PartsGeek |
| X-6003-36 | Conduit, plastic | 1 | Hose | PartsGeek |
| 044-00075 | 25' Harness - QG 7000, 6500, 5500, 4000, 3600 Generators | 25 | Service part / kit | PartsGeek |
| 100-4152 | Engine (Spec A-L) | 1 | Service part / kit | PartsGeek |
| 104-1721-01 | Piston Standard | 1 | Service part / kit | PartsGeek |
| 104-1721-02 | Piston 0.25 Oversize | 1 | Service part / kit | PartsGeek |
| 104-1780 | Crankshaft | 1 | Service part / kit | PartsGeek |
| 104-1899 | Gear, Balancer | 1 | Service part / kit | PartsGeek |
| 104-1901 | Gear, Crankshaft | 1 | Service part / kit | PartsGeek |
| 110-3698 | Washer, Valve Spring | 2 | Service part / kit | PartsGeek FridayParts $65.78 |
| 110-3700 | Retainer, Valve Spring | 2 | Service part / kit | PartsGeek |
| 110-3701 | Spring, Valve | 2 | Service part / kit | PartsGeek |
| 110-3750 | Bolt, Cylinder Head | 2 | Service part / kit | PartsGeek |
| 110-3887 | Valve, Intake | 1 | Service part / kit | PartsGeek |
| 110-3888 | Valve, Exhaust | 1 | Service part / kit | PartsGeek |
| 110-3890 | Head, Cylinder | 1 | Service part / kit | PartsGeek |
| 110-3914 | Lock, Valve Spring | 2 | Service part / kit | PartsGeek |
| 115-0465 | Arm, Rocker | 2 | Service part / kit | PartsGeek |
| 146-0646 | Kit, Carburetor Gasoline | 1 | Service part / kit | PartsGeek |
| 146-0765 | Carburetor Emissions | 1 | Service part / kit | PartsGeek |
| 151511 | Ring, lock (15ROY,17.5ROY) | 1 | Service part / kit | PartsGeek |
| 224233 | Decal, 1-800 number | 1 | Service part / kit | PartsGeek |
| 257442 | Clip, speed | 2 | Service part / kit | PartsGeek |
| 273746 | Decal, UL | 1 | Service part / kit | PartsGeek |
| 294291 | Envelope, instruction | 1 | Service part / kit | PartsGeek |
| 294310 | Decal | 1 | Service part / kit | PartsGeek |
| 294318 | Door, enclosure | 1 | Service part / kit | PartsGeek |
| 294322 | Latch, locking | 1 | Service part / kit | PartsGeek |
| 294414 | Decal, notice | 1 | Service part / kit | PartsGeek |
| 294602 | Decal, stripes | 1 | Service part / kit | PartsGeek |
| 295002 | Door, enclosure | 1 | Service part / kit | PartsGeek |
| 295003 | Retainer | 1 | Service part / kit | PartsGeek |
| 295009 | Clip, wire | 2 | Service part / kit | PartsGeek |
| 295010 | Retainer | 1 | Service part / kit | PartsGeek |
| 295012 | Key | 1 | Service part / kit | PartsGeek |
| 295013 | Nameplate | 1 | Service part / kit | PartsGeek |
| 295015 | Base, tie wrap | 1 | Service part / kit | PartsGeek |
| 295016 | Enclosure complete | 1 | Service part / kit | PartsGeek |
| 295020 | Bracket, transformer | 1 | Service part / kit | PartsGeek |
| 295060 | Decal, part no | 1 | Service part / kit | PartsGeek |
| 295061 | Decal, part no | 1 | Service part / kit | PartsGeek |
| 295062 | Decal, part no | 1 | Service part / kit | PartsGeek |
| 295063 | Decal, part no | 1 | Service part / kit | PartsGeek |
| 295086 | Nameplate | 1 | Service part / kit | PartsGeek |
| 295098 | Screw, flat head machine | 8 | Service part / kit | PartsGeek |
| 295189 | Clamp, relay hold-down | 5 | Service part / kit | PartsGeek |
| 295232 | Decal, Transfer Switch | 1 | Service part / kit | PartsGeek |
| 295306 | Decal, nine-terminal block | 1 | Service part / kit | PartsGeek |
| 295307 | Decal, six-terminal block | 1 | Service part / kit | PartsGeek |
| 295313 | Block, nine-terminal | 1 | Service part / kit | PartsGeek |
| 295314 | Block, six-terminal | 1 | Service part / kit | PartsGeek |
| 295331 | Nameplate | 1 | Service part / kit | PartsGeek |
| 295332 | Nameplate | 1 | Service part / kit | PartsGeek |
| 295392 | Nameplate, serial no | 4 | Service part / kit | PartsGeek |
| 295925 | Cover, terminal strip | 1 | Service part / kit | PartsGeek |
| 295988 | Block, 16-terminal | 1 | Service part / kit | PartsGeek |
| 295989 | Block, eight-terminal | 1 | Service part / kit | PartsGeek |
| 295990 | Bracket, mounting | 1 | Service part / kit | PartsGeek |
| 295991 | Insulator, plate | 1 | Service part / kit | PartsGeek |
| 295992 | Nameplate (NC, NA) | 1 | Service part / kit | PartsGeek |
| 295993 | Nameplate (B5) | 1 | Service part / kit | PartsGeek |
| 296235 | Hinge, split | 1 | Service part / kit | PartsGeek |
| 297071 | Capacitor | 1 | Service part / kit | PartsGeek |
| 297256 | Pedestal Mounting Feet, 30-150A NEMA 3R | 1 | Service part / kit | PartsGeek |
| 297259 | Pedestal Mounting Feet, 225-400A NEMA 3R | 1 | Service part / kit | PartsGeek |
| 297260 | Pedestal Mounting Feet, 225-400A NEMA 1 | 1 | Service part / kit | PartsGeek |
| 297262 | Pedestal Mounting Feet, 600-800A NEMA 3R | 1 | Service part / kit | PartsGeek |
| 297263 | Pedestal Mounting Feet, 600-800A NEMA 1 | 1 | Service part / kit | PartsGeek |
| 297265 | Handle, External Manual Operating, 225-260 Amp | 1 | Service part / kit | PartsGeek |
| 297359 | Bracket, mounting | 2 | Service part / kit | PartsGeek |
| 297600 | Hinge, split | 4 | Service part / kit | PartsGeek |
| 297938 | Nameplate | 1 | Service part / kit | PartsGeek |
| 510-0160 | Bearing, Block End | 1 | Service part / kit | PartsGeek |
| 56-A360-4901 | adapter | Service part / kit | PartsGeek | |
| 928-0502B | Service part / kit | PartsGeek | ||
| 928-0506 | Service part / kit | PartsGeek | ||
| 960-0135 | Service part / kit | PartsGeek | ||
| 960-0136 | Battery, 24V, 55Ah, AGM | 8 | Service part / kit | PartsGeek |
| 960-0242 | Service part / kit | PartsGeek | ||
| 960-0504A | Service part / kit | PartsGeek | ||
| 960-0505 | Service part / kit | PartsGeek | ||
| 960-12 | Service part / kit | PartsGeek | ||
| 965-0154 | Service part / kit | PartsGeek | ||
| 981-0246 | Service part / kit | PartsGeek | ||
| 981-1054 | Supplement | Service part / kit | PartsGeek | |
| A-295026 | Enclosure complete | 1 | Service part / kit | PartsGeek |
| A-295027 | Enclosure complete | 1 | Service part / kit | PartsGeek |
| A-295044 | RED/BLUE JUMPER | 1 | Service part / kit | PartsGeek |
| B-295028 | Enclosure complete | 1 | Service part / kit | PartsGeek |
| S.F.80 | TRAFFICATOR | Service part / kit | PartsGeek | |
| X-117-4 | Screw | 2 | Service part / kit | PartsGeek |
| X-465-10 | Screw, H.C. | 2 | Service part / kit | PartsGeek |
| X-468-1 | Tie, cable | 1 | Service part / kit | PartsGeek |
| X-51-15 | Screw, R.H.M. 8-32x1/2 | 1 | Service part / kit | PartsGeek |
| X-6220-1 | Enclosure, transfer door | 2 | Service part / kit | PartsGeek |
| X-70-2 | Nut, hex | 4 | Service part / kit | PartsGeek |
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 |
|---|---|---|---|
| Prime | |||
| Standby |
Available documents
Installation manual — 5849 ky spec p r install 2 2018 (Cummins/Onan)Owner's manual — 900-0541B-energy-command-operation (Cummins/Onan)Parts manual — 0058719 (Cummins/Onan)Parts manual — 981-0246 Onan KY (A-P) KYD (A-C) MicroLite 4000 series Parts catalog (12-2012) 43pgs (Cummins/Onan)Parts manual — 981-0246 Onan KY (spec A-P) KYD (spec A-C) RV Genset Parts Manual (12-2012) (Cummins/Onan)Service manual — 0981-0169 (Cummins/Onan)Service manual — 900-0543 Onan Energy Command 20 Operators Installation (1-2006) (Cummins/Onan)Service manual — 900-0606C Onan KY KYD Repair Times (Cummins/Onan)Service manual — 981-0169B Onan KYD Mobile Genset Operator's manual (11-2004)Service manual — 981-0530C Onan KY (spec J) KYD (spec A) RV Genset Service Manual (01-2006) (Cummins/Onan)Service manual — F-1123 Cummins-Onan RV Generator Handbook (08-2007) (Cummins/Onan)Service manual — PG Parts Catalog1 (Cummins/Onan)