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Home›Cummins/Onan›Cummins/Onan VTA28

Cummins/Onan VTA28 Generator Set

The Cummins/Onan VTA28 is a 612 kW (700 kVA) Diesel standby generator set powered by a VTA28-D(M) engine. It is available at 24 V, single-phase and 50 Hz. It holds about 83 L (21.9 gal) of oil and 126 L (33.3 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 2371×1457×2092 mm (93.3×57.4×82.4 in) and weighs about 3215 kg (7088 lb).

612 kW
Standby
28.0 L
Displacement
83.0 L
Oil capacity
2
Document types

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

Specifications

FuelDiesel
Frequency50.0 Hz
Standby power612 kW
Prime power560 kW
Oil capacity83.0 L
Voltage options24 V
Phase3
Battery voltage24 V
Coolant capacity126 L
Max ambient50 °C
Dimensions (L×W×H)2371×1457×2092 mm
Dry weight3215 kg

Engine

VTA28-D(M)
Displacement28.0 L
AspirationTurbocharged & Aftercooled
Rated speed1800 rpm

Maintenance & consumables

for the VTA28-D(M)
ItemSpecCapacityPart #Interval
Air filter—250 hr find
Fuel filterFuel Filter309-0565-01 PartsGeek
Oil filterOil Filter309-0579-03 PartsGeek
Belt— find
CoolantCoolant with DCA460.0 gal309-0570 PartsGeek
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 VTA28?

The Cummins/Onan VTA28 is rated 612 kW standby.

What engine does the Cummins/Onan VTA28 use?

The Cummins/Onan VTA28 is powered by the VTA28-D(M) engine.

What fuel does the Cummins/Onan VTA28 use?

The Cummins/Onan VTA28 runs on Diesel.

Parts

114
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
140-1545Cap, Air Cleaner2Air filter PartsGeek
140-1647Element, Primary - Air Cleaner [AF891M]2Air filter PartsGeek FridayParts $100.99
140-1649Element, Secondary - Air Cleaner [AF890]2Air filter PartsGeek FridayParts $100.99
140-1650Element, Air Cleaner [AF928M]2Air filter PartsGeek
140-2226Part - Reference 12Sensor PartsGeek
140-2301Cleaner, Air (Includes Replacement Elements) 140−24652Air filter PartsGeek
191-1588Starter, 24 VDC2Starter PartsGeek
191-1846-01Alternator (35 Amp, 24 VDC)1Alternator PartsGeek
193-0444Sender, Oil Pressure (S1)1Sensor PartsGeek
193-0468Sender, Low Coolant Level (S7)1Sensor PartsGeek
193-0529-01Sender, Oil Temperature1Sensor PartsGeek
302-1853Transducer (Sender), Pressure - Oil1Sensor PartsGeek
302-1854Filter, Oil - Bypass [LF777]1Oil filter PartsGeek
302-1855Transducer (Sender), Temperature - Engine Coolant1Sensor PartsGeek
302-1857-01Switch, Temperature - Engine Coolant1Sensor PartsGeek
309-0565-01Filter, Fuel [FF202]1Fuel filter PartsGeek
309-0566Switch, Low Coolant Level1Sensor PartsGeek
309-0570Filter, Water - W/Corrosion Inhibiting Chemical DCA42Coolant filter PartsGeek
309-0579-03Filter, Oil [LF670]1Oil filter 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
502-1043-01Tube, Water - Heater1Hose PartsGeek
502-1046Coupling, Hose - Elbow1Hose 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
503-1602Hose, Rubber1Hose 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
511-0163Belt, Drive1Belt PartsGeek
511-0165Belt, Drive (Fan)3Belt 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
130-0523Cooling System - Radiator1Service part / kit PartsGeek
130-3317-01Pulley, Drive1Service part / kit PartsGeek
130-3320-03Cap, Radiator 7 PSI (For 2" Fill Tube)1Service part / kit PartsGeek
130-3320-04Cap, Radiator 10 PSI1Service part / kit PartsGeek
130-3320-05Cap, Radiator1Service part / kit PartsGeek
130-3339Heater, Electrical - Engine Coolant (4000 Watt, 208 VAC)1Service part / kit PartsGeek
130-3340Heater, Electrical - Engine Coolant (4000 Watt, 240 VAC)1Service 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
338-2334Harness, Wiring - Engine2Service part / kit PartsGeek
503-1603Elbow, Pipe - Male, 90 DEG1Service 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
Prime75%104.027.5
Prime100%173.0
Standby100%154.040.8

Available documents

Spec sheet — 0070377 (Cummins/Onan)Spec sheet — 0070378 (Cummins/Onan)Spec sheet — VTA28-G5 (Cummins/Onan)Spec sheet — ds4965 (Cummins/Onan)Spec sheet — fr5165 (Cummins/Onan)Spec sheet — fr5166 (Cummins/Onan)Spec sheet — vta28 g5 1Parts manual — 904-0211 Onan VT28 VTA28 PMG Genset Parts manual (Cummins/Onan)