Specifications
| Fuel | Gasoline |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 4000 kW |
| Prime power | 4000 kW |
| Controller | A1, Microprocessor Regulated |
| Oil capacity | 1.5 L |
| Voltage options | 120 V, 220 V |
| Phase | 1 |
| Rated current | [33.3, 16.4] A |
| Battery cranking | [360, 450] CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Dry weight | 84 kg |
Engine
| Oil capacity | 1.1 L |
|---|---|
| Displacement | 0.42 L |
| Aspiration | OHV 4-stroke |
| Rated speed | 3600 rpm |
Maintenance & consumables
for the Cummins/Onan Onan| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil | SAE 10W30 | — | 25 hr |
Common questions
What is the power rating of the Cummins/Onan 4MKY?
The Cummins/Onan 4MKY is rated 4000 kW standby.
What engine does the Cummins/Onan 4MKY use?
The Cummins/Onan 4MKY is powered by the Cummins/Onan Onan engine.
What fuel does the Cummins/Onan 4MKY use?
The Cummins/Onan 4MKY runs on Gasoline.
What is the oil capacity of the Cummins/Onan 4MKY?
The Cummins/Onan Onan engine in the Cummins/Onan 4MKY has an oil capacity of 1.1 liters.
Parts
13| Part # | Description | Qty | System | |
|---|---|---|---|---|
| A058U901 | P9500DF EFI Maintenance Kit | Maintenance kit | buy | |
| A058U972 | P9500DF Maintenance Kit | Maintenance kit | buy | |
| A058V084 | P9500DF Carburetor Kit | Carburetor kit | buy | |
| A064D487 | Air filter | 1 | Air filter | Amazon eBay |
| A064D660 | Spark Plug (F7TC) | Spark plug | Amazon eBay | |
| A064N119 | Battery, 9 AH | 1 | Battery | Amazon eBay |
| A064N124 | Fuel filter | 1 | Fuel filter | Amazon eBay |
| A065E117 | P9500DF Air Filter Element | Air filter element | buy | |
| 0500-3298 | OUTLINE DRAWING | Service part / kit | buy | |
| 0611-1268-2 | RECONNECTION DIAGRAMS | Service part / kit | buy | |
| A058V085 | PROPANE REGULATOR KIT FOR 420CC GASOLINE GENERATOR | Service part / kit | buy | |
| A064D593 | Oil drain plug crush washer | 1 | Service part / kit | Amazon eBay |
| A065P007 | PROPANE REGULATOR KIT FOR 420CC GASOLINE GENERATOR | Service part / kit | buy |
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 |
|---|---|---|---|
| Full load | 2.7 | 0.71 | |
| Full_load | 100% | 2.7 | 1.0 |
| Half load | 1.8 | 0.48 | |
| Half_load | 50% | 1.4 | 0.5 |
| No load | 1.1 | 0.29 | |
| No_load | 0.79 | 0.3 | |
| Prime | |||
| Prime | 50% | 1.8 | 0.48 |
| Prime | 100% | 2.7 | 0.71 |
| Standby | |||
| Standby | 1.1 | 0.29 |
Available documents
Installation manualOperator's manualService manual