HomeCummins/OnanCummins/Onan DGBC

Cummins/Onan DGBC Generator Set

The Cummins/Onan DGBC is a 35 kW standby generator set powered by a Cummins/Onan 4BT3.9 engine. It is available at 600 V. It holds about 10.9 L (2.9 gal) of oil and 17.7 L (4.7 gal) of coolant. Starting uses 1 group-4 battery rated 1080 CCA at 12 V. The set measures 3188×1067×1753 mm (125.5×42.0×69.0 in), weighs about 1672 kg (3686 lb) and produces 68 dBA at 7 m. An integrated tank holds 341 L (90.1 gal), roughly 12.9 hours of runtime.

35 kW
Standby
3.9 L
Displacement
10.9 L
Oil capacity
3
Document types

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

Specifications

Standby power35 kW
ControllerDetector, PCC, PowerCommand 3100
Oil capacity10.9 L
Voltage options600 V
Battery group4
Battery cranking1080 CCA
Battery voltage12 V
Battery quantity1
Coolant capacity17.7 L
Dimensions (L×W×H)3188×1067×1753 mm
Dry weight1672 kg
Sound level68.0 dBA @ 7 m
Fuel tank341.0 L
Tank runtime12.9 hr

Engine

Cummins/Onan 4BT3.9
Coolant capacity17.7 L
Displacement3.9 L

Maintenance & consumables

for the Cummins/Onan 4BT3.9
ItemSpecCapacityPart #Interval
Air filter find
Fuel filter find
Oil filter find
Belt find
CoolantCooling system: IC 01, coolant capacity (only engine): 7.2 litros, coolant capacity (engine and radiator): 17.3 liters.17.3 l
Coolant filter find
Oil10.9

Common questions

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

The Cummins/Onan DGBC is rated 35 kW standby.

What engine does the Cummins/Onan DGBC use?

The Cummins/Onan DGBC is powered by the Cummins/Onan 4BT3.9 engine.

Parts

26
Part #DescriptionQtySystem
140-2164Nut, Square (1/4-20)1Nut kuduparts $10.00
187-0008Belt, Drive4Belt buy
187-0009Thermostat4Thermostat buy
187-0011Filter, Fuel1Fuel filter buy
187-0012Gasket, Cover - Valve1Gasket Amazon eBay
187-0015Filter, Oil1Oil filter Amazon eBay $39.95
187-0020Pump, Injection1Pump buy
309-0269Switch, Temperature - Screw, Machine - Round Head (#8-32 x 1/4")1Switch ironwing $32.86
309-0561Switch, Temperature - Washer, Lock (#10)1Switch buy
323-1200Resistor, Fixed, Wirewound AR4Resistor buy
323-1306Screw, Cap - Hex Head (1/4-20 x 1/2")1Screw buy
332-2921Clamp, J1Switch buy
353-0094-01Connector Housing and Contact Pins, 8 Pin (Less Pins)1Connector buy
405-3826-01Support, Engine - Screw, Cap - Hex Head (M12 x 1.75 x 65mm)1Support buy
503-0365Heater, Engine - 750 Watt (120 volt)1Heater buy
750-1010Screw, Machine - Fillister Head (1/4-20 x 1")1Screw buy
800-0048Screw, Cap - Hex Head (3/8 - 16 X 3/4")1Screw buy
821-0018Thermostat (Includes Plugs)4Thermostat buy
928-0502BService part / kit buy
928-0506Service part / kit buy
960-0135Service part / kit buy
960-0136Service part / kit buy
960-0242Service part / kit buy
960-0504AService part / kit buy
960-0505Service part / kit buy
960-12Service part / kit buy

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
Standby

Available documents

Spec sheetParts manualService manual

Other sets with this engine