HomeCummins/OnanCummins/Onan C125D2R

Cummins/Onan C125D2R Generator Set

The Cummins/Onan C125D2R is a 125 kW (141 kVA) standby generator set powered by a Cummins/Onan QSB7-G3 engine. It holds about 4.6 L (1.2 gal) of oil.

125 kW
Standby
6.69 L
Displacement
4.6 L
Oil capacity
1
Document types

How to read your Cummins/Onan serial & model number →

Specifications

Standby power125 kW
Standby kVA141
Prime power100 kW
EmissionsTier III
ControllerPowerCommand 1.2
Oil capacity4.6 L
AlternatorCummins/Onan UC274F

Engine

Cummins/Onan QSB7-G3
Oil capacity4.6 L
Displacement6.69 L
Aspirationturbocharged and after-cooled

Maintenance & consumables

for the Cummins/Onan QSB7-G3
ItemSpecCapacityPart #Interval
Air filter find
Fuel filter find
Oil filter find
Belt find
Coolant6.1 L
Coolant filter find
Oil4.6 L

Common questions

What is the power rating of the Cummins/Onan C125D2R?

The Cummins/Onan C125D2R is rated 125 kW standby (141.0 kVA).

What engine does the Cummins/Onan C125D2R use?

The Cummins/Onan C125D2R is powered by the Cummins/Onan QSB7-G3 engine.

What is the oil capacity of the Cummins/Onan C125D2R?

The Cummins/Onan QSB7-G3 engine in the Cummins/Onan C125D2R has an oil capacity of 4.6 liters.

What alternator does the Cummins/Onan C125D2R use?

The Cummins/Onan C125D2R uses a Cummins/Onan UC274F alternator.

Parts

1
Part #DescriptionQtySystem
0908-0110-00Health and Safety manualService part / kit PartsGeek

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Available documents

Reference — MB78-+New+175-220+kVA+EU+SIIIA+products+21Jan08