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Home›Cummins/Onan›Cummins/Onan VTA28G5

Cummins/Onan VTA28G5 Generator Set

The Cummins/Onan VTA28G5 is a 603 kW (681 kVA) Diesel standby generator set powered by a Cummins/Onan VTA28G5 engine. It is available at 220 V and 480 V, Single-phase and 60 Hz. It holds about 83 L (21.9 gal) of oil and 207 L (54.7 gal) of coolant, with a maximum ambient rating of 40 °C. Starting uses battery rated 254 CCA. The set weighs about 4047 kg (8922 lb). An integrated tank holds 1325 L (350.0 gal). The same VTA28G5 engine also powers generator sets from Detector.

603 kW
Standby
28.0 L
Displacement
83.0 L
Oil capacity
1
Document types

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

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power603 kW
Prime power545 kW
ControllerPCL
Oil capacity83.0 L
Voltage options220 V, 480 V
PhaseSingle
Battery cranking254 CCA
Coolant capacity207 L
Max ambient40 °C
Dry weight4047 kg
Fuel tank1325.0 L

Engine

Cummins/Onan VTA28G5
Oil capacity21.9 L
Coolant capacity167.0 L
Displacement28.0 L
AspirationTurbo Aftercooled
Rated speed1800 rpm

Maintenance & consumables

for the Cummins/Onan VTA28G5
ItemSpecCapacityPart #Interval
Air filter—250 hr find
Fuel filterChange Fuel Filters—100 hr find
Oil filterChange the oil and filters at the intervals recommended in Table 5-1.—50 hr find
Belt— find
Coolant167.0 L—500 hr
OilChange the oil and filters at the intervals recommended in Table 5-1.89.0 Quarts—8 hr

Common questions

What is the power rating of the Cummins/Onan VTA28G5?

The Cummins/Onan VTA28G5 is rated 603 kW standby.

What engine does the Cummins/Onan VTA28G5 use?

The Cummins/Onan VTA28G5 is powered by the Cummins/Onan VTA28G5 engine.

What fuel does the Cummins/Onan VTA28G5 use?

The Cummins/Onan VTA28G5 runs on Diesel.

What is the oil capacity of the Cummins/Onan VTA28G5?

The Cummins/Onan VTA28G5 engine in the Cummins/Onan VTA28G5 has an oil capacity of 21.9 liters.

Parts

85
Part #DescriptionQtySystem
0300-4623-18DFGB (600V)1Current transformer PartsGeek
0300-4623-34DFGB BR (0-480V)1Current transformer PartsGeek
122-0702Head, Oil Filter1Oil filter PartsGeek
122-0777Filter, Lube Oil1Oil filter PartsGeek
128-0108Insulation, Hose − Bulk (Order by the Foot − 4 Feet Required)Hose PartsGeek
130-1193Gasket, Outlet Adapter1Gasket PartsGeek
130-3839-01Guard, Belt − Right Side1Belt PartsGeek
130-3839-02Guard, Belt − Left Side1Belt PartsGeek
130-3840Guard, Belt − Top1Belt PartsGeek
130-3841Guard, Belt − Bottom1Belt PartsGeek
130-3842Guard, Belt − Front1Belt PartsGeek
130-3843Guard, Belt − Right Side1Belt PartsGeek ironwing $87.25
130-3844Guard, Belt − Bottom Back1Belt PartsGeek
130-3845Guard, Belt − Top Back1Belt PartsGeek
130-3846Guard, Belt − Left Side1Belt PartsGeek
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 PartsGeek
130-4354Radiator (Includes Cap, Sight Gauge And Overflow Hose) (Also Includes Cover Plates, Gaskets, Screws And Lock Washers For All Water Outlets)1Gasket PartsGeek
130-4552Cover, Coolant Heater2Fluid PartsGeek
140-2301Cleaner, Air (Includes Replacement Elements) 140−24652Air filter PartsGeek
193-0444Sender, Oil Pressure (S1)1Sensor PartsGeek
193-0468Sender, Low Coolant Level (S7)1Sensor PartsGeek
193-0529-01Sender, Oil Temperature1Sensor PartsGeek
309-0649Thermostat1Thermostat PartsGeek
323-1445*Seal, Cable (Used With P11)2Seal PartsGeek
330-0141-04Gasket, Cover1Gasket PartsGeek
330-0142Box, Terminal (Includes Cover and Gasket − Ref No. 19 and 20)1Gasket PartsGeek
332-2634Clamp, Hose2Hose PartsGeek
333-0407-05Heater, Oil (300 Watt, 480 Volt)1Fluid PartsGeek
501-0537-22Hose, Oil (86”)1Hose PartsGeek
501-0537-23Hose, Oil (22”)1Hose PartsGeek
501-0744-01Hose, Coolant1Hose PartsGeek
501-0744-05Hose, Coolant2Hose PartsGeek
502-0313Elbow, Hose − 90° (1/8” Pipe to 1/4” Hose)4Hose PartsGeek
502-0395Connector, Hose4Hose PartsGeek
502-0971Connector, Hose2Hose PartsGeek
502-1337Adapter, Coolant Heater1Fluid PartsGeek
502-1530Union, Hose (1”) − Nylon2Hose PartsGeek
502-1531Connector, Hose2Hose PartsGeek
503-0189Clamp, Hose1Hose PartsGeek
503-0249Hose − Bulk (Order by the Foot − 3 Feet Required)Hose PartsGeek
503-0569Hose (3−1/2” ID) Bulk (Order By The Foot − 2 Feet Required)Hose PartsGeek
503-0685Clamp, Hose9Hose PartsGeek
503-0856Hose, Radiator − Lower (3−1/2” ID x 5−1/2”)2Hose PartsGeek
503-1418Hose − Bulk (1/4” ID) (Order By The Foot − 18 Feet Required)Hose PartsGeek
503-1620Hose − Bulk (Order By The Foot − 12 Feet Required)Hose PartsGeek
503-1634Hose, Silicon Rubber2Hose PartsGeek
503-1634-01Hose, Silicon Rubber4Hose PartsGeek
503-1728Hose (3” ID x 5−1/2”)4Hose PartsGeek
503-1779Hose − Bulk (1” ID) (Order By The Foot − 1 Foot Required)Hose PartsGeek
503-1870-07Clamp, Hose2Hose PartsGeek
503-1870-11Clamp, Hose2Hose PartsGeek
503-1870-12Clamp, Hose2Hose PartsGeek
503-1870-14Clamp, Hose2Hose PartsGeek
503-1872-01Clamp, Hose4Hose PartsGeek
503-1872-05Clamp, Hose8Hose PartsGeek
503-1872-07Clamp, Hose6Hose PartsGeek
503-2157-01Clamp, Hose8Hose PartsGeek
503-2276Elbow, Hose2Hose PartsGeek
503-2350-04Hose, Coolant (1” x 5‘)1Hose PartsGeek
503-2350-05Hose, Coolant (1” x 8‘)2Hose PartsGeek
505-0759Adapter − Pipe to Hose (1” x 1”)2Hose PartsGeek
508-0292Washer, Sealing − Copper1Seal PartsGeek
511-0105Belt−V1Belt PartsGeek
518-0548-20Clamp, Hose1Hose PartsGeek
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 PartsGeek
960-0504PCC Control Service Manual*Service manual PartsGeek
960-0507Detector Control Service Manual**Service manual PartsGeek
960-0630CPCC2100 PowerCommand Control1Controller PartsGeek
098-7954Label, Information − Element Replacement2Service part / kit PartsGeek
130-5666-02Tube, Water Heater1Service part / kit PartsGeek
130-5852-02Tube, Water Heater1Service part / kit PartsGeek
140-1260Fitting, Safety Filter2Service part / kit Amazon eBay $35.00 PartsGeek
140-1260-01Fitting, Safety Filter1Service part / kit PartsGeek
323-1491*Pin, Contact (Used In J3)3Service part / kit PartsGeek
323-1492*Socket, Contact (Used In P4, P5)4Service part / kit PartsGeek
323-1718*Pin, Contact (Used In P11)2Service part / kit PartsGeek
518-0548-24Clamp, Retainer Begin December 1996 Production (Mounted On Top And Side Of Control Box Wrapper On The Side Towards The Control Box Cover)20Service part / kit PartsGeek
518-0548-42Clamp, Retainer 4 Prior To December 1996 Production (Mounted On Top And Side Of Control Box Wrapper)20Service part / kit PartsGeek
898-1254-25Sleeving − Heater Leads (59”)1Service part / kit PartsGeek
960-0103Service part / kit PartsGeek
960-0145Service part / kit PartsGeek
960-0241Service part / kit PartsGeek
960-0259Service part / kit PartsGeek
960-0606Service part / kit PartsGeek
960-0611Service part / kit PartsGeek

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
Prime100%154.0

Available documents

Spec sheet — VTA28 60HZ 545~603kw (Cummins/Onan)

Other sets with this engine

Cummins/Onan BCC 700S-50Cummins/Onan VTA28