HomeCummins/OnanCummins/Onan 750DFGE

Cummins/Onan 750DFGE Generator Set

The Cummins/Onan 750DFGE is a 750 kW diesel standby generator set powered by a Cummins/Onan VTA28-G7 engine. It is available at 12 V, single-phase and 60 Hz. It holds about 84 L (22.2 gal) of oil and 167 L (44.1 gal) of coolant.

750 kW
Standby
84.0 L
Oil capacity
1
Document types

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

Typical fuel consumption for 750–755 kW Diesel generators →

Compare with other 750–755 kW Diesel generators →

Service parts for the 750DFGE

Grouped by system, with how many of each the parts manual calls for.

Air intake

1 required

Oil system

1 required

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

Fueldiesel
Frequency60.0 Hz
Standby power750 kW
ControllerPowerCommand
Oil capacity84.0 L
Alternator45 Amp
Voltage options12 V
Phase1 or 3
Battery voltage24 VDC V

Engine

Cummins/Onan VTA28-G7
Oil capacity84.0 L
Coolant capacity167.0 L

Maintenance & consumables

for the Cummins/Onan VTA28-G7
ItemSpecCapacityPart #Interval
Air filter140-3288-02 Amazon eBay
Fuel filter
Oil filter102-1335 Amazon eBay
Coolant
Oil

Common questions

How many kW is the Cummins/Onan 750DFGE?

The Cummins/Onan 750DFGE is rated 750 kW standby.

What engine is in the Cummins/Onan 750DFGE?

The Cummins/Onan 750DFGE is powered by the Cummins/Onan VTA28-G7 engine.

What fuel does the Cummins/Onan 750DFGE use?

The Cummins/Onan 750DFGE runs on diesel.

How much oil does the Cummins/Onan 750DFGE take?

The Cummins/Onan VTA28-G7 engine in the Cummins/Onan 750DFGE has an oil capacity of 84.0 liters.

What alternator does the Cummins/Onan 750DFGE use?

The Cummins/Onan 750DFGE uses a 45 Amp alternator.

What oil filter fits the Cummins/Onan 750DFGE?

The Cummins/Onan 750DFGE uses oil filter part number 102-1335.

What air filter does the Cummins/Onan 750DFGE use?

The Cummins/Onan 750DFGE uses air filter part number 140-3288-02.

Parts

97
Part #DescriptionQtySystem
122-0702Head, Oil Filter1Oil filter Amazon eBay
122-0777Filter, Lube Oil1Oil filter Amazon eBay
128-0108Insulation, Hose - Bulk (7/8º ID) (Order By The Foot - 10 Feet Required)-Hose Amazon eBay
130-1193Gasket, Outlet Adapter1Gasket Amazon eBay
130-3839-01Guard, Belt − Right Side1Belt Amazon eBay
130-3839-02Guard, Belt − Left Side1Belt Amazon eBay
130-3840Guard, Belt − Top1Belt Amazon eBay
130-3841Guard, Belt − Bottom1Belt Amazon eBay
130-3842Guard, Belt − Front1Belt Amazon eBay
130-3843Guard, Belt − Right Side1Belt Amazon eBay
130-3844Guard, Belt − Bottom Back1Belt Amazon eBay
130-3845Guard, Belt − Top Back1Belt Amazon eBay
130-3846Guard, Belt − Left Side1Belt Amazon eBay
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 Amazon eBay
130-3875Tube, Outlet1Hose Amazon eBay
130-4354Radiator (Includes Cap, Sight Gauge And Overflow Hose) (Also Includes Cover Plates, Gaskets, Screws And Lock Washers For All Water Outlets)1Gasket Amazon eBay
130-4552Cover, Coolant Heater2Fluid Amazon eBay
130-4576Tube1Hose Amazon eBay
130-4577Tube1Hose Amazon eBay
130-4581Tube1Hose Amazon eBay
140-2301Cleaner, Air (Includes Replacement Elements) 140−24652Air filter Amazon eBay
140-3288-02Cleaner, Air2Air filter Amazon eBay
140-3349-02Bracket, Air Cleaner1Air filter Amazon eBay
151-0411Pickup, Magnetic1Sensor Amazon eBay KuduParts $208.00
193-0432Sender, Oil Temperature (S2 Engine Block, E4 Oil Pan)2Sensor Amazon eBay
193-0444Sender, Oil Pressure (S1)1Sensor Amazon eBay
193-0468Sender, Low Coolant Level (S7)1Sensor Amazon eBay
193-0481Sender Assembly - Low Coolant Level1Sensor Amazon eBay
193-0529-01Sensor, Temperature1Sensor Amazon eBay
307-2621-02Relay, Start Solenoid (K4)1Relay Amazon eBay
309-0269Switch, Low Engine Temperature (S4)1Sensor Amazon eBay
309-0649Thermostat1Thermostat Amazon eBay $144.99
323-1445* Seal, Cable (Used With Station 17)2Seal Amazon eBay
330-0141-04Gasket, Cover1Gasket Amazon eBay
330-0142Box, Terminal (Includes Cover and Gasket − Ref No. 19 and 20)1Gasket Amazon eBay
333-0407-05Heater, Oil (300 Watt, 480 Volt)1Fluid Amazon eBay
416-0680Cable, Battery (10")1Hose Amazon eBay
501-0537-22Hose, Oil (86”)1Hose Amazon eBay
501-0537-23Hose, Oil (22”)1Hose Amazon eBay
501-0744-01Hose, Coolant1Hose Amazon eBay
501-0744-05Hose, Coolant2Hose Amazon eBay
502-0313Elbow, Hose − 90° (1/8” Pipe to 1/4” Hose)54Hose Amazon eBay
502-0395Connector, Hose1Hose Amazon eBay
502-0971Connector, Hose2Hose Amazon eBay
502-1337Adapter, Coolant Heater1Fluid Amazon eBay
502-1530Union, Hose (1”) − Nylon2Hose Amazon eBay
502-1531Connector, Hose2Hose Amazon eBay
503-0189Clamp, Hose1Hose Amazon eBay
503-0249Hose − Bulk (Order by the Foot − 3 Feet Required)1Hose Amazon eBay
503-0569Hose (3−1/2” ID) Bulk (Order By The Foot − 2 Feet Required)1Hose Amazon eBay
503-0685Clamp, Hose1Hose Amazon eBay $15.00
503-0856Hose, Radiator − Lower (3−1/2” ID x 5−1/2”)2Hose Amazon eBay $42.58
503-1418Hose − Bulk (1/4” ID) (Order By The Foot − 18 Feet Required)1Hose Amazon eBay
503-1620Hose – Bulk (3/8" ID) (Order by the Foot)-Hose Amazon eBay
503-1634Hose, Silicon Rubber2Hose Amazon eBay
503-1634-01Hose, Rubber (3/4” ID x 4”)4Hose Amazon eBay
503-1728Hose (3” ID x 5–1/2”)1Hose Amazon eBay
503-1779Hose − Bulk (1” ID) (Order By The Foot − 1 Foot Required)-Hose Amazon eBay
503-1870-07Clamp, Hose1Hose Amazon eBay
503-1870-11Clamp, Hose2Hose Amazon eBay
503-1870-12Clamp, Hose2Hose Amazon eBay
503-1870-14Clamp, Hose2Hose Amazon eBay
503-1872-01Clamp, Hose4Hose Amazon eBay
503-1872-05Clamp, Hose2Hose Amazon eBay
503-1872-07Clamp, Hose6Hose Amazon eBay
503-2157-01Clamp, Hose8Hose Amazon eBay
503-2276Elbow, Hose2Hose Amazon eBay
503-2350-04Hose, Coolant (1” x 5‘)1Hose Amazon eBay
503-2350-05Hose, Coolant (1” x 8‘)2Hose Amazon eBay
505-0759Adapter − Pipe to Hose (1” x 1”)2Hose Amazon eBay
508-0292Washer, Sealing - Copper1Washer Amazon eBay
511-0105Belt−V1Belt Amazon eBay
518-0548-20Clamp, Hose1Hose Amazon eBay
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 Amazon eBay
098-7954Label, Information − Element Replacement2Service part / kit Amazon eBay
102-1335Plug, Oil Drain1Service part / kit Amazon eBay
130-1430Exchanger, Heat2Service part / kit Amazon eBay
130-1515Tank, Water1Service part / kit Amazon eBay
130-4582Bracket, Mounting1Service part / kit Amazon eBay
130-5666-02Tube, Water Heater1Service part / kit Amazon eBay
130-5852-02Tube, Water Heater1Service part / kit Amazon eBay
140-1260Fitting, Safety Filter2Service part / kit Amazon eBay $116.27
140-1260-01Fitting, Safety Filter1Service part / kit Amazon eBay
193-0128Gauge, Fuel Pressure (0-200 Lbs)2Service part / kit Amazon eBay
307-2859Relay, Power - 24VDC (K11)1Service part / kit Amazon eBay $199.95
323-1491* Pin, Contact (Used With Inline G)3Service part / kit Amazon eBay
323-1492* Socket, Contact (Used In Stations 18, 19)4Service part / kit Amazon eBay
323-1718* Pin, Contact (Used In Station 17)2Service part / kit Amazon eBay
332-2634Clamp, Retainer 4 Prior To December 1996 Production (Mounted On Top And Side Of Control Box Wrapper)10Service part / kit Amazon eBay
333-0639-01Heater, Coolant (4990 Watt)1Service part / kit Amazon eBay
333-0639-02Heater, Coolant (6420 Watt)1Service part / kit Amazon eBay
416-0446Cable, Battery - Jumper1Service part / kit Amazon eBay
504-0171Valve, Shutoff1Service part / kit Amazon eBay
505-0100Nipple, Pipe - Close (1/2”)1Service part / kit Amazon eBay $9.34
505-1071Coupling, Flexible (For 2" Pipe)2Service part / kit Amazon eBay
505-1072Valve, Water2Service part / kit Amazon eBay
898-1254-25Sleeving – Heater Leads (59”)1Service part / kit Amazon eBay

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

Parts manual — 960-0289 Cummins DFGE Parts Manual (7-2002) (Cummins/Onan)
Other sets with this engine