HomeCummins/OnanCummins/Onan DGCA

Cummins/Onan DGCA Generator Set

The Cummins/Onan DGCA is a 50 kW (63 kVA) diesel standby generator set powered by a Cummins/Onan 4BT3.9 engine. It is available at 120/208 V, 127/220 V, 240/416 V, 277/480 V, 120/240 V, 139/240 V, 254/440 V, 220/380 V and 347/600 V, 60 Hz. It holds about 10.9 L (2.9 gal) of oil and 26 L (6.9 gal) of coolant, with a maximum ambient rating of 40 °C. Starting uses 1 group-4 battery rated 1080 CCA at 12 V. The set measures 2104×1016×1207 mm (82.8×40.0×47.5 in), weighs about 780 kg (1720 lb) and produces 68 dBA at 7 m. An integrated tank holds 341 L (90.1 gal), roughly 15.9 hours of runtime.

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

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

Specifications

Fueldiesel
Frequency60.0 Hz
Standby power50 kW
Standby kVA63
Prime power45 kW
EmissionsTier 1
ControllerDetector, PCC, PowerCommand PCC2100, Sentinel
Oil capacity10.9 L
Voltage options120/208 V, 127/220 V, 240/416 V, 277/480 V, 120/240 V, 139/240 V, 254/440 V, 220/380 V, 347/600 V
Battery group4
Battery cranking1080 CCA
Battery voltage12 V
Battery quantity1
Coolant capacity26.0 L
Max ambient40 °C
Dimensions (L×W×H)2104×1016×1207 mm
Dry weight780 kg
Sound level68.0 dBA @ 7 m
Fuel tank341.0 L
Tank runtime15.9 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
CoolantCoolant capacity (only engine)7.2 l
Coolant filter find
Oil10.9

Common questions

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

The Cummins/Onan DGCA is rated 50 kW standby (63.0 kVA).

What engine does the Cummins/Onan DGCA use?

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

What fuel does the Cummins/Onan DGCA use?

The Cummins/Onan DGCA runs on diesel.

Parts

62
Part #DescriptionQtySystem
012040BatteryBattery buy
012041Fan BeltBelt buy
012042Oil FilterOil filter buy
012043Oil Fill CapOil filter buy
012044Oil Drain HoseFluid buy
012045Coolant Overflow ReservoirCoolant filter buy
012046Air CleanerAir filter buy
0249-0814Relay 2P BaseRelay 2p base buy
0307-3047Relay (24V)Relay 24v buy
0332-3923-02Terminal BlockTerminal block buy
0332-3925-02Jumper-TerminalJumper terminal buy
0332-3926Terminal Block End StopTerminal block end stop buy
0332-3927-02Terminal Block End PlateTerminal block end plate buy
0332-3943-02Jumper-TerminalJumper terminal buy
0332-4036-02Terminal Block (Earth)Terminal block buy
140-2159Clamp, Hose1Hose clamp buy
140-2164Nut, Square (1/4-20)1Nut kuduparts $10.00
187-0001Pump, Water1Pump buy
187-0002Gasket Kit, End - Top1Gasket buy
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
2.4LEngine1Engine buy
205-0089Suppressor, Voltage Set1Suppressor buy
234-0368Hose, Rubber1Hose 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
337-0090Strap, Electrical1Strap buy
353-0094-01Connector Housing and Contact Pins, 8 Pin (Less Pins)1Connector buy
403-2575Screw, Cap - Hex Head (1/2 - 13 x l")1Screw 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
503-0998Clamp, Hose2Hose clamp buy
504-0011Washer, Flat (M6)2Washer buy
505-0050Nut, Cap - Hex Head (#10-32 x 30mm)1Nut buy
505-0098Connector Housing and Contact Pins, 6 Pin (Less Pins)1Connector buy
505-0185Washer, Flat (10)2Washer buy
509-0125Key, Handle - Screw, Lock (3/8 - 16 x .75")1Key buy
526-0238Diode, Rectifier - Positive (CR1, CR2, CR3)1Diode 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
850-2012Cap, Cleaner - Air3Cleaner cap buy
862-0004Washer, Lock (7/16)1Washer buy
863-0002Cleaner, Air (Includes Element)2Cleaner buy
98-0961Decal, Level - Water2Decals buy
A046K020Oil Filter9Oil filter buy
0L2090-C60 kW (2.4 L)1Service part / kit 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