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Cummins/Onan Modified Ford In-line 6 CSG-649 Engine Engine
The Cummins/Onan Modified Ford In-line 6 CSG-649 is an engine. It powers generator sets from Cummins/Onan, including the GGFB and GGFC. It holds 7.6 L (2.0 gal) of oil.
Also known as: Onan Modified Ford In-line 6 CSG-649
Generator sets powered by this engine
2Cummins/Onan GGFBCummins/Onan GGFC
Common problems
11- OUTPUT TO TIME DELAY START/STOP MODULE A15, FUSED AT 15 AMPS, AVAILABLE WHEN THE STARTING BATTERIES ARE CONNECTED TB1-7
- OUTPUT TO RELAY K12, FUSED AT 20 AMPS, ENERGIZED WHEN THE START SIGNAL IS APPLIED AND DE-ENERGIZED AT SHUTDOWN (NORMAL AND FAULT) TB1-10
- OUTPUT TO RELAY K11, FUSED AT 20 AMPS TB1-8
- MOMENTARY CONTACT TO GROUND TB2-16
- GROUND OUTPUT TO LIGHT/RELAY* TB2-2
- GROUND INPUT FROM SENDER TB2-1
- GROUND TB1-5
- CONNECTED TO TIME DELAY START/STOP MODULE A15. CONNECT REMOTE START CONTACT OF THE AUTOMATIC TRANSFER SWITCH TO TERMINAL TB1-5 OF MODULE A15. TB1-6
- CONNECTED TO TIME DELAY START/STOP MODULE A15 TB1-3
- COMMON ALARM B+ OUTPUT 4 AMP RATED DEVICE MAXIMUM TB1-4
- B+ INPUT TB1-9
Compiled from service & troubleshooting documentation across every generator set that uses the Cummins/Onan Modified Ford In-line 6 CSG-649.
Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|
| Air filter | | | — | | find |
| Fuel filter | | | — | | find |
| Oil filter | | | — | | find |
| Belt | | | — | | find |
| Coolant | | | — | | |
| Coolant filter | | | — | | find |
| Oil | | | — | | |
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 Modified Ford In-line 6 CSG-649?
The Cummins/Onan Modified Ford In-line 6 CSG-649 engine has an oil capacity of 7.6 liters.
Which generators use the Cummins/Onan Modified Ford In-line 6 CSG-649 engine?
The Cummins/Onan Modified Ford In-line 6 CSG-649 powers 2 generator set(s), including Cummins/Onan GGFB, Cummins/Onan GGFC.
What is a common problem with the Cummins/Onan Modified Ford In-line 6 CSG-649 engine?
A commonly reported issue on generators using the Cummins/Onan Modified Ford In-line 6 CSG-649 is: OUTPUT TO TIME DELAY START/STOP MODULE A15, FUSED AT 15 AMPS, AVAILABLE WHEN THE STARTING BATTERIES ARE CONNECTED.