HomeCummins/OnanCummins/Onan VTA28

Cummins/Onan VTA28 Generator Set

The Cummins/Onan VTA28 is a 545 kW (640 kVA) Diesel standby generator set powered by a Cummins/Onan VTA28 engine. It is available at 190/110 V, 208/120 V, 220/127 V, 230/133 V, 240/139 V, 380/219 V, 400/231 V and 416/240 V, 3-phase and 60 Hz. It holds about 84 L (22.2 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). The same VTA28 engine also powers generator sets from AKSA.

545 kW
Standby
28.0 L
Displacement
84.0 L
Oil capacity
2
Document types

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

Compare with other 545–550 kW Diesel generators →

Service parts for the VTA28

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

Air intake

1 required
140-1545Air filtersee priceAmazon

Fuel system

1 required
309-0565-01Fuel filtersee priceAmazon

Oil system

1 required
309-0579-03Oil filtersee priceAmazon

Belts

1 required
511-0165Beltsee priceAmazon

Cooling system

2 required
309-0570Coolantsee priceAmazon
309-0570Coolant filtersee priceAmazon

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

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power545 kW
Standby kVA640
Prime power512 kW
ControllerPowerCommand 3100
Oil capacity84.0 L
Voltage options190/110 V, 208/120 V, 220/127 V, 230/133 V, 240/139 V, 380/219 V, 400/231 V, 416/240 V
Phase3
Circuit breaker4 pole Main Circuit Breaker A
Battery voltage24 V
Coolant capacity126 L
Max ambient50 °C
Dimensions (L×W×H)2371×1457×2092 mm
Dry weight3215 kg

Engine

Cummins/Onan VTA28
Oil capacity84.0 L
Coolant capacity167.0 L
Displacement28.0 L
Aspirationturbo Charged and after-cooled

Maintenance & consumables

for the Cummins/Onan VTA28
ItemSpecCapacityPart #Interval
Air filterCap, Air Cleaner140-1545 Amazon eBay
Fuel filterFuel Filter309-0565-01 Amazon eBay
Oil filterOil Filter309-0579-03 Amazon eBay
Battery
BeltBelt, Drive (Fan)511-0165 Amazon eBay
CoolantCoolant with DCA460.0 gal309-0570 Amazon eBay
Coolant filterFilter, Water - W/Corrosion Inhibiting Chemical DCA4309-0570 Amazon eBay
Oil
Spark plug

Common questions

How many kW is the Cummins/Onan VTA28?

The Cummins/Onan VTA28 is rated 545 kW standby (640.0 kVA).

Which engine powers the Cummins/Onan VTA28?

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

What kind of fuel does the Cummins/Onan VTA28 run on?

The Cummins/Onan VTA28 runs on Diesel.

What's the oil capacity on a Cummins/Onan VTA28?

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

What oil filter does the Cummins/Onan VTA28 use?

The Cummins/Onan VTA28 uses oil filter part number 309-0579-03.

What fuel filter fits the Cummins/Onan VTA28?

The Cummins/Onan VTA28 uses fuel filter part number 309-0565-01.

What air filter does the Cummins/Onan VTA28 use?

The Cummins/Onan VTA28 uses air filter part number 140-1545.

Parts

32
Part #DescriptionQtySystem
140-1545Cap, Air Cleaner2Air filter Amazon eBay
140-1647Element, Primary - Air Cleaner [AF891M]2Air filter Amazon eBay FridayParts $100.99
140-1649Element, Secondary - Air Cleaner [AF890]2Air filter Amazon eBay FridayParts $100.99
140-1650Element, Air Cleaner [AF928M]2Air filter Amazon eBay
191-1588Starter, 24 VDC2Starter Amazon eBay
191-1846-01Alternator (35 Amp, 24 VDC)1Alternator Amazon eBay
302-1853Transducer (Sender), Pressure - Oil1Sensor Amazon eBay
302-1854Filter, Oil - Bypass [LF777]1Oil filter Amazon eBay
302-1855Transducer (Sender), Temperature - Engine Coolant1Sensor Amazon eBay
302-1857-01Switch, Temperature - Engine Coolant1Sensor Amazon eBay
309-0565-01Filter, Fuel [FF202]1Fuel filter Amazon eBay
309-0566Switch, Low Coolant Level1Sensor Amazon eBay
309-0570Filter, Water - W/Corrosion Inhibiting Chemical DCA42Coolant filter Amazon eBay
309-0579-03Filter, Oil [LF670]1Oil filter Amazon eBay
502-1043-01Tube, Water - Heater1Hose Amazon eBay
502-1046Coupling, Hose - Elbow1Hose Amazon eBay
503-1602Hose, Rubber1Hose Amazon eBay
511-0163Belt, Drive1Belt Amazon eBay
511-0165Belt, Drive (Fan)3Belt Amazon eBay
FF202Fuel, Spin-On2Fuel filter Amazon $148.05 eBay $34.99
FS1216Fuel/Water Sep Spin-On2Fuel filter Amazon $101.35 eBay $49.99 FridayParts $48.99
130-0523Cooling System - Radiator1Service part / kit Amazon eBay $79.00
130-3317-01Pulley, Drive1Service part / kit Amazon eBay
130-3320-03Cap, Radiator 7 PSI (For 2" Fill Tube)1Service part / kit Amazon eBay
130-3320-04Cap, Radiator 10 PSI1Service part / kit Amazon eBay
130-3320-05Cap, Radiator1Service part / kit Amazon eBay
130-3339Heater, Electrical - Engine Coolant (4000 Watt, 208 VAC)1Service part / kit Amazon eBay
130-3340Heater, Electrical - Engine Coolant (4000 Watt, 240 VAC)1Service part / kit Amazon eBay
140-1260Fitting, Safety Filter2Service part / kit Amazon eBay $116.27
140-2226Part - Reference 12Service part / kit Amazon eBay
338-2334Harness, Wiring - Engine2Service part / kit Amazon eBay
503-1603Elbow, Pipe - Male, 90 DEG1Service 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.

Fuel consumption

RatingLoadL/hgal/h
Prime75%104.027.5
Standby100%154.040.8

Available documents

Spec sheet — 0070378 (Cummins/Onan)Spec sheet — SS VTA28 (Cummins/Onan)Parts manual — 904-0211 Onan VT28 VTA28 PMG Genset Parts manual (Cummins/Onan)Parts manual — 960-0236 Onan DFBE NT5 Parts Manual (2-1990) (Cummins/Onan)Parts manual — 960-0238 Onan DFCB NTA2 Parts Manual (2-1990) (Cummins/Onan)Parts manual — 960-0248 Onan DFEB KTA12 Parts Manual (12-1989) (Cummins/Onan)Parts manual — 960-0249 Onan DFJA KTA31 Parts Manual (12-1989) (Cummins/Onan)Parts manual — 960-0250 Onan DFJB KTA32 Parts Manual (12-1989) (Cummins/Onan)Parts manual — 960-0252 Onan DFFA KTT11 Parts Manual (12-1989) (Cummins/Onan)