The Cummins/Onan EH65D is a 0.65 L 2-cylinder air-cooled engine. It powers generator sets from Cummins/Onan, including the PX12000e and RGV12 CSA_US_GU2001. It holds 1.55 L (0.4 gal) of oil.
Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|
| Air filter | | | — | 50 hr | |
| Fuel filter | | | — | | |
| Oil filter | | | — | 20 hr | |
| Battery | Lead-acid battery : A capacity of 12V-32A・h or larger. For the generators used in low temperature (below -5℃), 12V-40A・h or larger battery is recommended. | | — | 500 hr | |
| Belt | | | — | | |
| Coolant | | | — | | |
| Oil | class "SE" (API classification) oil or a higher grade oil according to the table below. SAE 10W-30 is recommended for general, all-temperature use. | 1.55 liters | — | 20 hr | |
| Spark plug | | | — | 200 hr | |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
Common questions
What is the oil capacity of the Cummins/Onan EH65D?
The Cummins/Onan EH65D engine has an oil capacity of 1.55 liters.
What is the displacement of the Cummins/Onan EH65D?
The Cummins/Onan EH65D has a displacement of 0.653 liters with 2 cylinders.
Which generators use the Cummins/Onan EH65D engine?
The Cummins/Onan EH65D powers 2 generator set(s), including Cummins/Onan PX12000e, Cummins/Onan RGV12 CSA_US_GU2001.
How often should you change the oil in the Cummins/Onan EH65D?
The Cummins/Onan EH65D oil change interval is every 20 hours.
What is a common problem with the Cummins/Onan EH65D engine?
A commonly reported issue on generators using the Cummins/Onan EH65D is: Generator engine fails to start after several attempts, or if no electricity is available at the output receptacles. Cause: Low battery Blown fuse Deteriorated fuel piping clogging of Air cleaner Clogging of Cooling air intake Low oil level Faulty spark plug Overload by connected appliance Incorrect or poor connection of wires Insufficient capacity of extension cable Starter won't run Leakage.