HomeEnginesCummins/Onan OHV 4-stroke

Cummins/Onan OHV 4-stroke Engine Engine

The Cummins/Onan OHV 4-stroke is a 0.22 L engine. It powers generator sets from Cummins/Onan, including the P11000iTF, P2500I and P4500. It holds 0.63 L (0.2 gal) of oil.

Also known as: Cummins Inc. OHV 4-stroke

0.224 L
Displacement
0.63 L
Oil capacity

Engine specifications

Oil capacity0.63 L
Displacement0.224 L

Generator sets powered by this engine

3

Common problems

10
  • NO DC OUTPUT
    Cause: Tripped DC circuit breaker
    Fix: Disconnect battery, reset breaker and have battery tested for shorts
  • NO AC OUTPUT
    Cause: Tripped AC circuit breaker
    Fix: Remove all loads, reset breaker, check loads for defects. Do not exceed generator set rating.
  • Generator set not level
    Fix: Move generator set to level surface
  • Fouled spark plug
    Fix: Remove and clean or replace spark plug
  • ENGINE WON'T START
    Cause: Low oil level
    Fix: Add oil as necessary
  • ENGINE SURGES
    Cause: Dirty fuel strainer
    Fix: Have the strainer cleaned
  • ENGINE STOPS
    Cause: Low oil level
    Fix: Add oil as necessary
  • ENGINE DOES NOT CRANK (ELECTRIC START)
    Cause: Bad battery connection
    Fix: Clean and tighten battery connections
  • ENGINE CRANKS SLOWLY (ELECTRIC START)
    Cause: Load is connected
    Fix: Disconnect load while starting
  • BLACK EXHAUST
    Fix: Contact an Onan service center

Compiled from service & troubleshooting documentation across every generator set that uses the Cummins/Onan OHV 4-stroke.

Common questions

What is the oil capacity of the Cummins/Onan OHV 4-stroke?

The Cummins/Onan OHV 4-stroke engine has an oil capacity of 0.63 liters.

What is the displacement of the Cummins/Onan OHV 4-stroke?

The Cummins/Onan OHV 4-stroke has a displacement of 0.224 liters.

Which generators use the Cummins/Onan OHV 4-stroke engine?

The Cummins/Onan OHV 4-stroke powers 3 generator set(s), including Cummins/Onan P11000iTF, Cummins/Onan P2500I, Cummins/Onan P4500.

What is a common problem with the Cummins/Onan OHV 4-stroke engine?

A commonly reported issue on generators using the Cummins/Onan OHV 4-stroke is: NO DC OUTPUT. Cause: Tripped DC circuit breaker. Fix: Disconnect battery, reset breaker and have battery tested for shorts.