Facts About Generators
GeneratorsDirectoryCompareRepairEnginesControllersPartsManufacturersGuides
Search models or part #
Home›Engines›GM 5.0 L

GM 5.0 L Engine Engine

The GM 5.0 L is a 5 L engine. It powers generator sets from Cummins/Onan, including the GGPA, GGPB and GGPC.

Also known as: GM 5.0 L

5.0 L
Displacement

Engine specifications

Displacement5.0 L

Generator sets powered by this engine

3
Cummins/Onan GGPACummins/Onan GGPBCummins/Onan GGPC

Common problems

15
  • Over Current 1471
  • Low Coolant Level 197
  • Weak Battery 1442
  • Under Frequency 1448
  • Too Long in Idle 2342
  • Speed/Hz Match 1469
  • Speed Signal Lost 121
  • Shutdown After Battle Short 1123
  • Short Circuit 1445
  • Service Engine Fault 1318
  • Remote Emergency Stop 1434
  • Pre-Low Oil Pressure Sensor 143
  • Pre-High Cool Temp 146
  • Power Down Failure 1417
  • Overspeed 234

Compiled from service & troubleshooting documentation across every generator set that uses the GM 5.0 L.

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filter— find
Fuel filter— find
Oil filter— find
Belt— find
Coolant—
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 displacement of the GM 5.0 L?

The GM 5.0 L has a displacement of 5.0 liters.

Which generators use the GM 5.0 L engine?

The GM 5.0 L powers 3 generator set(s), including Cummins/Onan GGPA, Cummins/Onan GGPB, Cummins/Onan GGPC.

What is a common problem with the GM 5.0 L engine?

A commonly reported issue on generators using the GM 5.0 L is: Over Current.