HomeCummins/OnanCummins/Onan D GDB

Cummins/Onan D GDB Generator Set

The Cummins/Onan D GDB is a 100 kW (125 kVA) diesel standby generator set powered by a Cummins/Onan 6BT5.9-G6 engine. It is available at 110/190 V, 120/208 V, 127/220 V, 139/240 V, 220/380 V, 240/416 V, 254/440 V, 277/480 V, 347/600 V and 120/240 V, three phase-phase and 60 Hz. It holds about 16.4 L (4.3 gal) of oil and 24.6 L (6.5 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 1 group-4 battery rated 460 CCA at 12 V. The set measures 2662×1016×1252 mm (104.8×40.0×49.3 in) and weighs about 1163 kg (2564 lb). An integrated tank holds 25 L (6.6 gal).

100 kW
Standby
5.9 L
Displacement
16.4 L
Oil capacity
3
Document types

Specifications

Fueldiesel
Frequency60.0 Hz
Standby power100 kW
Standby kVA125
Prime power90 kW
EmissionsTier 1
ControllerPowerCommand, PowerCommand 2100, PowerCommand PCC2100
Oil capacity16.4 L
Voltage options110/190 V, 120/208 V, 127/220 V, 139/240 V, 220/380 V, 240/416 V, 254/440 V, 277/480 V, 347/600 V, 120/240 V
Phasethree phase
Power factor0.8
Battery group4D
Battery cranking460 CCA
Battery voltage12-volt V
Battery quantity1
Coolant capacity24.6 L
Max ambient50 °C
Dimensions (L×W×H)2662×1016×1252 mm
Dry weight1163 kg
Wet weight1202 kg
Fuel tank25.0 L

Engine

Cummins/Onan 6BT5.9-G6
Oil capacity16.4 L
Coolant capacity24.6 L
Displacement5.9 L
AspirationTurbocharged
Rated speed1800 rpm

Maintenance & consumables

for the Cummins/Onan 6BT5.9-G6
ItemSpecCapacityPart #Interval
Air filter2.5 find
Belt find
Coolant
Fuel filter find
Oil16.4
Oil filter find

Parts

1
Part #DescriptionQtySystem
LF3349Lube, Full-Flow Spin-On1Oil filter NAPA $12.27 Amazon eBay $15.44

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.

Fuel consumption

RatingLoadL/hgal/h
Prime
Prime0%2.49.0
Prime25%8.02.0
Prime50%12.03.2
Prime75%17.04.5
Prime100%23.06.1
Standby
Standby0%2.610.0
Standby25%8.02.0
Standby50%13.03.4
Standby75%18.04.8
Standby100%24.06.4

Available documents

Spec sheetParts manualService manual