Specifications
| Frequency | 60.0 Hz |
|---|---|
| Standby power | 150 kW |
| Standby kVA | 187 |
| Prime power | 135 kW |
| Controller | PowerCommand |
| Oil capacity | 18.9 L |
| Voltage options | 120/208 V, 120/240 V, 220/380 V, 254/440 V, 277/480 V, 347/600 V |
| Phase | 3 |
| Coolant capacity | 86.5 L |
| Max ambient | 100 °C |
| Dimensions (L×W×H) | 2641×1016×1372 mm |
| Dry weight | 1723 kg |
Engine
| Oil capacity | 18.9 L |
|---|---|
| Coolant capacity | 10.9 L |
| Displacement | 8.27 L |
| Aspiration | Turbocharged & Aftercooled |
| Rated speed | 1500 rpm |
Maintenance & consumables
for the Cummins/Onan GTA8.3 G2| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | — | ||||
| Oil filter | — | ||||
| Battery | — | ||||
| Belt | — | ||||
| Coolant | — | ||||
| Oil | — | ||||
| Spark plug | — |
Common questions
What is the power rating of the Cummins/Onan GFAB?
The Cummins/Onan GFAB is rated 150 kW standby (187.0 kVA).
What engine does the Cummins/Onan GFAB use?
The Cummins/Onan GFAB is powered by the Cummins/Onan GTA8.3 G2 engine.
What's the oil capacity on a Cummins/Onan GFAB?
The Cummins/Onan GTA8.3 G2 engine in the Cummins/Onan GFAB has an oil capacity of 18.9 liters.
Parts
37| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 155-3219 | Gasket, Muffler | 2 | Gasket | Amazon eBay |
| 193-0432 | Sender, Oil Temperature (S2 Engine Block, E4 Oil Pan) | 2 | Sensor | Amazon eBay |
| 309-0159 | Switch, Oil Pressure (S107) | 1 | Oil filter | Amazon eBay |
| 309-0269 | Switch, Low Engine Temperature (S4) | 1 | Sensor | Amazon eBay |
| 502-0942 | Elbow - 90 ° | 1 | Hose | Amazon eBay |
| 502-0943 | Connector, Hose (3/8 x 5/8) - GGKB, GGKC | 1 | Hose | Amazon eBay |
| 503-0098 | Hose, Oil Drain - Bulk (Order By The Foot - 3 Feet Required) | 1 | Hose | Amazon eBay |
| 503-0183 | Clamp, Hose | 2 | Hose | Amazon eBay |
| 503-0197 | Clip, Hose | 1 | Hose | Amazon eBay $7.99 |
| 503-0386 | Bulk Hose (water jacket heater; order 15 in. and 6 in. lengths) | 1 | Hose | Amazon eBay |
| 518-0548-02 | Clamp, Hose | 1 | Hose | Amazon eBay |
| 525-0301 | Sealant, Thread (6 ml Tube) | 1 | Fluid | Amazon eBay |
| 102-1448-02 | Adapter, Oil Drain (M10 x 16) | 1 | Service part / kit | Amazon eBay |
| 155-2062-13 | Cap, Rain | 1 | Service part / kit | Amazon eBay |
| 155-2305 | Clamp, Muffler | 1 | Service part / kit | Amazon eBay |
| 155-2570 | Clamp, V-Band A299 | 1 | Service part / kit | Amazon eBay |
| 155-3150-02 | Muffler | 1 | Service part / kit | Amazon eBay |
| 155-3163-01 | Adapter, Exhaust | 1 | Service part / kit | Amazon eBay |
| 155-3164-03 | Pipe, Exhaust | 1 | Service part / kit | Amazon eBay |
| 155-3180 | Shield, Rain | 1 | Service part / kit | Amazon eBay |
| 332-2634 | Clamp, Retainer 4 Prior To December 1996 Production (Mounted On Top And Side Of Control Box Wrapper) | 10 | Service part / kit | Amazon eBay |
| 332-3196 | Clamp, J | 1 | Service part / kit | Amazon eBay |
| 416-0619 | Cable, Battery | 1 | Service part / kit | Amazon eBay |
| 416-1000 | Cable, Battery | 1 | Service part / kit | Amazon eBay |
| 504-0011 | Valve, Shutoff (1/2”) | 1 | Service part / kit | Amazon eBay |
| 505-0050 | Elbow, Street (1/2' x 90 ° ) | 1 | Service part / kit | Amazon eBay |
| 505-0057 | Plug, Square Head (1/8') | 1 | Service part / kit | Amazon eBay |
| 505-0185 | Nipple, Half (1/2' x 1.5' lg) | 1 | Service part / kit | Amazon eBay |
| 525-0304 | Onan Green Enamel (Non-Metallic) - Gallon Can | 1 | Service part / kit | Amazon eBay |
| 525-0305 | 12 oz. Pressurized Spray Can | 1 | Service part / kit | Amazon eBay |
| 525-0306 | Onan Green Enamel (Non-Metallic) - Quart Can | 1 | Service part / kit | Amazon eBay |
| 526-2140 | Washer, Flat (M12) | 1 | Service part / kit | Amazon eBay |
| 800-2058 | Screw, Cap - Hex Head (M8 x 1.25 x 25) | 1 | Service part / kit | Amazon eBay |
| 800-2111 | Screw, Cap - Hex Head (M12 x 1.25 x 25mm) | 1 | Service part / kit | Amazon eBay |
| 821-6003-02 | Screw, Cap - Hex Head | 2 | Service part / kit | Amazon eBay |
| 850-2008 | Washer, Lock (M8) | 1 | Service part / kit | Amazon eBay |
| 856-0013 | Washer, Lock - W/EIT (1/2) | 1 | Service 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
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Standby | 50% | 1098.0 | 290.06 |
| Standby | 75% | 1398.0 | 369.31 |
Available documents
Spec sheet — GTA8.3G2GFAB (Cummins/Onan)