Cummins/Onan 1.7EGHAA Engine
The Cummins/Onan 1.7EGHAA is a 1.7 L natural engine rated at 3600 rpm. It powers generator sets from Cummins/Onan, including the 1.7 EGHAA. It holds 0.95 L (0.3 gal) of oil and 0.9 L (0.2 gal) of coolant.
Also known as: Onan 1.7EGHAA
Engine specifications
| Oil capacity | 0.95 L |
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| Coolant capacity | 0.9 L |
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| Displacement | 1.7 L |
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| Aspiration | Natural |
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| Rated speed | 3600 rpm |
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Common problems
7- Engine won't start
Cause: Out of fuel
Fix: Add fuel - Engine cranks slowly (electric start models)
Cause: Low battery
Fix: Check battery electrolyte level and charge - Unit runs but surges
Cause: Out of fuel
Fix: Add fuel - Exhausting black smoke
Cause: Choke closed
Fix: Open choke - Unit runs then stops
Cause: Open DC circuit breaker due to an overload
Fix: Remove all loads, reset circuit breaker, check for an overload or shorted battery. Do not exceed generator set rated load specifications - No DC output voltage
Cause: Open DC circuit breaker due to an overload
Fix: Remove all loads, reset circuit breaker, check for an overload or shorted battery. Do not exceed generator set rated load specifications - No AC output voltage
Cause: Open AC circuit breaker due to an overload
Fix: Remove all loads, re-set circuit breaker, check tools or appliances being used for defects. Do not exceed generator set rated load specifications
Compiled from service & troubleshooting documentation across every generator set that uses the Cummins/Onan 1.7EGHAA.
Common questions
What is the oil capacity of the Cummins/Onan 1.7EGHAA?
The Cummins/Onan 1.7EGHAA engine has an oil capacity of 0.95 liters.
What is the displacement of the Cummins/Onan 1.7EGHAA?
The Cummins/Onan 1.7EGHAA has a displacement of 1.7 liters.
Which generators use the Cummins/Onan 1.7EGHAA engine?
The Cummins/Onan 1.7EGHAA powers 1 generator set(s), including Cummins/Onan 1.7 EGHAA.
What is a common problem with the Cummins/Onan 1.7EGHAA engine?
A commonly reported issue on generators using the Cummins/Onan 1.7EGHAA is: Engine won't start. Cause: Out of fuel. Fix: Add fuel.