Specifications
| Fuel | gasoline |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 25 kW |
| Standby kVA | 25 |
| Alternator | Motorola 70D44068A |
| Voltage options | 120/240 V |
| Phase | 1 |
Common questions
What is the power rating of the Cummins/Onan 25EK-53?
The Cummins/Onan 25EK-53 is rated 25 kW standby (25.0 kVA).
What engine does the Cummins/Onan 25EK-53 use?
The Cummins/Onan 25EK-53 is powered by the Ford C5PF-600 S-A engine.
What fuel does the Cummins/Onan 25EK-53 use?
The Cummins/Onan 25EK-53 runs on gasoline.
What alternator does the Cummins/Onan 25EK-53 use?
The Cummins/Onan 25EK-53 uses a Motorola 70D44068A alternator.
Parts
35| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 123A1044 | Adapter, Breather | 1 | Hose | PartsGeek |
| 140C26 | Cleaner, Air | 1 | Air filter | PartsGeek |
| 145A120 | Gasket, Carb. Mtg. | 2 | Gasket | PartsGeek |
| 154A133 | Gasket, Carb. Adapter | 2 | Gasket | PartsGeek |
| 155A923 | Gasket, Exhaust Tube | 1 | Gasket | PartsGeek |
| 155B892 | Tube, Exhaust | 1 | Hose | PartsGeek |
| 160A558 | Nipple, Spark Plug | 2 | Spark plug | PartsGeek |
| 191P543 | Alternator (Motorola #70D44068A) | 1 | Alternator | PartsGeek |
| 193A104 | Element, Water Temp. | 1 | Sensor | PartsGeek |
| 307B259 | Solenoid, Anti-Dieseling | 1 | Sensor | PartsGeek |
| 309A178 | Battery, 24V, 150Ah | 1 | Sensor | PartsGeek |
| 501A125 | Line, Fuel to Pump | 1 | Hose | PartsGeek |
| 502-2 | Elbow, Fuel Pump Outlet | 1 | Hose | PartsGeek |
| 503-119 | Clamp, Hose | 2 | Hose | PartsGeek |
| 503-365 | Clamp, Hose | 4 | Hose | PartsGeek |
| 503-446 | Clamp, Fuel Line | 1 | Hose | PartsGeek |
| 503P490 | Hose, Lower - Rad. | 1 | Hose | PartsGeek |
| 503P491 | Hose, Upper - Rad. | 1 | Hose | PartsGeek |
| 511P74 | Belt, V | 1 | Belt | PartsGeek |
| 511P75 | Belt, V | 1 | Belt | PartsGeek |
| 512A51 | Pulley, Water Pump | 1 | Pump | PartsGeek |
| 123A910 | Valve, Breather | 1 | Service part / kit | PartsGeek |
| 130D660 | Radiator | 1 | Service part / kit | PartsGeek |
| 130D695 | Cap, Radiator | 1 | Service part / kit | PartsGeek |
| 141C575 | Carburetor (Zenith R281310) | 1 | Service part / kit | PartsGeek |
| 145A164 | Extension, Solenoid Arm | 1 | Service part / kit | PartsGeek |
| 148B593 | Adapter, Carburetor | 1 | Service part / kit | PartsGeek |
| 149C182 | Bracket, Anti-Dieseling Cont. | 1 | Service part / kit | PartsGeek |
| 155B456 | Muffler | 1 | Service part / kit | PartsGeek |
| 166B1045 | Bracket, Coil | 1 | Service part / kit | PartsGeek |
| 166B27 | Coil, Ignition | 1 | Service part / kit | PartsGeek |
| 191A57 | Spacer, Alternator Mtg. | 1 | Service part / kit | PartsGeek |
| 191B578 | Heat Shield, Alternator | 1 | Service part / kit | PartsGeek |
| 312A58 | Condenser | 2 | Service part / kit | PartsGeek |
| 520A237 | Stud, Carb. Mounting | 2 | 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.
Available documents
Parts manual — 928-0301 Onan EK EM (spec A-B) Parts manual (12-1970) (Cummins/Onan)