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Cummins/Onan Manual start 5CCK Engine

The Cummins/Onan Manual start 5CCK is a 0.82 L 2-cylinder n/a engine rated at 1800 rpm. It powers generator sets from Cummins/Onan, including the 5CCK.

Also known as: Onan Manual start 5CCK

0.819 L
Displacement
2
Cylinders
1800 rpm
Rated speed
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Engine specifications

Displacement0.819 L
Cylinders2
AspirationN/A
Rated speed1800 rpm

Common problems

2
  • Engine runs unevenly at half or full load
    Cause: Faulty carburetion
    Fix: Adjust the main adjusting needle while the engine is running at normal operating temperature and with almost a full load connected to the engine
  • Engine develops a hunting condition (alternate increase and decrease of engine speed)
    Fix: Try correcting by opening the main adjusting needle (early models only) a little

Compiled from service & troubleshooting documentation across every generator set that uses the Cummins/Onan Manual start 5CCK.

Common questions

What is the displacement of the Cummins/Onan Manual start 5CCK?

The Cummins/Onan Manual start 5CCK has a displacement of 0.819 liters with 2 cylinders.

Which generators use the Cummins/Onan Manual start 5CCK engine?

The Cummins/Onan Manual start 5CCK powers 1 generator set(s), including Cummins/Onan 5CCK.

What is a common problem with the Cummins/Onan Manual start 5CCK engine?

A commonly reported issue on generators using the Cummins/Onan Manual start 5CCK is: Engine runs unevenly at half or full load. Cause: Faulty carburetion. Fix: Adjust the main adjusting needle while the engine is running at normal operating temperature and with almost a full load connected to the engine.