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Cummins/Onan DFG Generator Set

The Cummins/Onan DFG is a 500 kW Diesel standby generator set powered by a Cummins/Onan VTA28 engine. It is available at 601 V, 3-phase and 60 Hz. It holds about 84 L (22.2 gal) of oil and 167 L (44.1 gal) of coolant. Starting uses 4 group-8 batteries rated 1400 CCA at 12 V. The same VTA28 engine also powers generator sets from AKSA.

500 kW
Standby
84.0 L
Oil capacity
4
Document types

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

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power500 kW
ControllerPowerCommand PCC2100
Oil capacity84.0 L
Voltage options601 V
Phase3
Battery group8D
Battery cranking1400 CCA
Battery voltage12 V
Battery quantity4
Coolant capacity167 L

Engine

Cummins/Onan VTA28
Oil capacity84.0 L
Coolant capacity167.0 L

Maintenance & consumables

for the Cummins/Onan VTA28
ItemSpecCapacityPart #Interval
Oil84.0 L—

Common questions

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

The Cummins/Onan DFG is rated 500 kW standby.

What engine does the Cummins/Onan DFG use?

The Cummins/Onan DFG is powered by the Cummins/Onan VTA28 engine.

What fuel does the Cummins/Onan DFG use?

The Cummins/Onan DFG runs on Diesel.

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

The Cummins/Onan VTA28 engine in the Cummins/Onan DFG has an oil capacity of 84.0 liters.

Parts

74
Part #DescriptionQtySystem
122-0702Head, Oil Filter1Oil filter buy
122-0777Filter, Lube Oil1Oil filter buy
128-0108Insulation, Hose − Bulk (Order by the Foot − 4 Feet Required)Hose buy
130-1193Gasket, Outlet Adapter1Gasket buy
130-3839-01Guard, Belt − Right Side1Belt buy
130-3839-02Guard, Belt − Left Side1Belt buy
130-3840Guard, Belt − Top1Belt buy
130-3841Guard, Belt − Bottom1Belt buy
130-3842Guard, Belt − Front1Belt buy
130-3843Guard, Belt − Side1Belt ironwing $87.25
130-3844Guard, Belt − Bottom Back1Belt buy
130-3845Guard, Belt − Top Back1Belt buy
130-3846Guard, Belt − Left Side1Belt buy
130-3874Base, Mounting * − Parts Used On Heat Exchanger Installations With Automatic Water Regulator + − Parts Used On Heat Exchanger Installations Without Automatic Water Regulator # − Cut Off And Discard Swivel Connector End Of Hose So That 1/8 NPT Connector End Measures Length As Indicated Above1Hose buy
130-4354Radiator (Includes Cap, Sight Gauge And Overflow Hose) (Also Includes Cover Plates, Gaskets, Screws And Lock Washers For All Water Outlets)1Gasket buy
130-4552Cover, Coolant Heater2Fluid buy
140-2301Cleaner, Air (Includes Replacement Elements) 140−24652Air filter buy
193-0444Sender, Oil Pressure (S1)1Sensor buy
193-0468Sender, Low Coolant Level (S7)1Sensor buy
193-0529-01Sender, Oil Temperature1Sensor buy
309-0649Thermostat1Thermostat buy
323-1445*Seal, Cable (Used With P11)2Seal buy
330-0141-04Gasket, Cover1Gasket buy
330-0142Box, Terminal (Includes Cover and Gasket − Ref No. 19 and 20)1Gasket buy
332-2634Clamp, Hose2Hose buy
333-0407-05Heater, Oil (300 Watt, 480 Volt)1Fluid buy
501-0537-22Hose, Oil (86”)1Hose buy
501-0537-23Hose, Oil (22”)1Hose buy
501-0744-01Hose, Coolant1Hose buy
501-0744-05Hose, Coolant2Hose buy
502-0313Elbow, Hose − 90° (1/8” Pipe to 1/4” Hose)4Hose buy
502-0395Connector, Hose (1/8” Pipe to 1/4” ID Hose)4Hose buy
502-0971Connector, Hose2Hose buy
502-1337Adapter, Coolant Heater1Fluid buy
502-1530Union, Hose (1”) − Nylon2Hose buy
502-1531Connector, Hose2Hose buy
503-0189Clamp, Hose1Hose buy
503-0249Hose − Bulk (Order by the Foot − 3 Feet Required)Hose buy
503-0569Hose (3−1/2” ID) Bulk (Order By The Foot − 2 Feet Required)Hose buy
503-0685Clamp, Hose9Hose buy
503-0856Hose, Radiator − Lower (3−1/2” ID x 5−1/2”)2Hose buy
503-1418Hose, Overflow − Bulk (1/4” ID) (Order By The Foot − 7 Feet Required)Hose buy
503-1620Hose − Bulk (Order By The Foot − 12 Feet Required)Hose buy
503-1634Hose, Silicon Rubber2Hose buy
503-1634-01Hose, Silicon Rubber4Hose buy
503-1728Hose, Radiator − Upper (3” ID x 5−1/2”)4Hose buy
503-1779Hose − Bulk (1” ID) (Order By The Foot − 1 Foot Required)Hose buy
503-1870-07Clamp, Hose2Hose buy
503-1870-11Clamp, Hose2Hose buy
503-1870-12Clamp, Hose2Hose buy
503-1870-14Clamp, Hose2Hose buy
503-1872-01Clamp, Hose4Hose buy
503-1872-05Clamp, Hose8Hose buy
503-1872-07Clamp, Hose6Hose buy
503-2157-01Clamp, Hose8Hose buy
503-2276Elbow, Hose2Hose buy
503-2350-04Hose, Coolant (1” x 5‘)1Hose buy
503-2350-05Hose, Coolant (1” x 8‘)2Hose buy
505-0759Adapter, Pipe to Hose (1” Pipe to 1” Hose)2Hose buy
508-0292Washer, Sealing − Copper1Seal buy
511-0105Belt−V1Belt buy
518-0548-20Clamp, Hose1Hose buy
870-0257Nut, Locking (5/16−18) * − Parts Used On Heat Exchanger Installations With Automatic Water Regulator # − Cut Off And Discard Swivel Connector End Of Hose So That 1/8 NPT Connector End Measures Length As Indicated Above + − Parts Used On Heat Exchanger Installations Without Automatic Water Regulator2Hose buy
FF202Fuel, Spin-On2Fuel filter Amazon eBay $34.99
FS1216Fuel/Water Sep Spin-On2Fuel filter Amazon eBay $44.99
098-7954Label, Information − Element Replacement2Service part / kit buy
130-5666-02Tube, Water Heater1Service part / kit buy
130-5852-02Tube, Water Heater1Service part / kit buy
140-1260Fitting, Safety Filter2Service part / kit Amazon eBay $35.00
140-1260-01Fitting, Safety Filter1Service part / kit buy
323-1491*Pin, Contact (Used In J3)3Service part / kit buy
323-1492*Socket, Contact (Used In P4, P5)4Service part / kit buy
323-1718*Pin, Contact (Used In P11)2Service part / kit buy
898-1254-25Sleeving − Heater Leads (59”)1Service 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
Standby100%167.544.2

Available documents

Spec sheetOperator's manualParts manualService manual