Specifications
| Fuel | Liquid/Gaseous |
|---|---|
| Standby power | 700 kW |
| Standby kVA | 800 |
| Prime power | 690 kW |
| Oil capacity | 41.64 L |
| Alternator | Cummins/Onan UV |
| Voltage options | 277/480 V |
| Phase | 3 phase |
| Rated current | 842 A |
| Power factor | 0.8 |
| Battery group | Two 12 volt, 225 Ah (810 kC) |
| Battery quantity | 2 |
| Dimensions (L×W×H) | 348000×14320×182900 mm |
| Dry weight | 6800 kg |
| Fuel tank | 253.62 L |
Engine
| Coolant capacity | 50.0 L |
|---|---|
| Aspiration | Open cycle, single shaft constant speed gas turbine |
| Rated speed | 41730 rpm |
Maintenance & consumables
for the Garrett/Airesearch IE831-800| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Fuel filter | — | 3000 hr | find | ||
| Oil filter | — | 500 hr | find | ||
| Belt | — | find | |||
| Oil | 13.0 gallons | — | 500 hr |
Common questions
What is the power rating of the Cummins/Onan GT?
The Cummins/Onan GT is rated 700 kW standby (800.0 kVA).
What engine does the Cummins/Onan GT use?
The Cummins/Onan GT is powered by the Garrett/Airesearch IE831-800 engine.
What fuel does the Cummins/Onan GT use?
The Cummins/Onan GT runs on Liquid/Gaseous.
What alternator does the Cummins/Onan GT use?
The Cummins/Onan GT uses a Cummins/Onan UV alternator.
Troubleshooting
14Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| No light-off. | No fuel. | Check fuel supply. Check manual shut-off valve. Excessive moisture in fuel system or dirty filter elements. Replace filter elements and purge fuel system. Fuel system components or circuits defective. Contact service representative. |
| Starter does not crank turbine. | Operation selector switch not in 'RUN' position. | Place switch in appropriate position. |
| Starter cranks, but does not disengage. | Compressor discharge pressure switch inoperable. | Replace switch. |
| Starter cranks turbine, but combustion does not occur. | Ignition system malfunction. | See Ignition System Troubleshooting. |
| No light off. | No fuel. | Check fuel supply; replenish if necessary. |
| Day tank fuel level low. | Check float valve. | |
| Loose fuel connection. | Tighten fuel connections as required. | |
| Excessive air in fuel system. | Repair condition that caused air to enter fuel system, bleed fuel system. | |
| Excessive water in fuel system. | Check tank and remedy. | |
| Contaminated fuel supply. | Clean and refill fuel tank. Replace filter elements. | |
| Fuel system components or circuits defective. | Contact service representative. | |
| Plugged fuel filters. | Replace filter elements. | |
| Turbine lights off, but flames out. | Fuel system malfunction. | See cause and remedy above. Check compressor air line for leaks. |
| Minimum fuel setting too low. | Adjust minimum fuel setting on fuel control valve to higher setting (contact service representative). |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
15| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 625-0147 | Oil Pressure Gauge | 1 | Oil pressure gauge | buy |
| 625-0148 | Oil Temperature Gauge | 1 | Oil temperature gauge | buy |
| 625-0149 | Bleed Valve | 1 | Bleed valve | buy |
| 625-0150 | Differential Pressure Gauges | 1 | Differential pressure gauges | buy |
| 625-0151 | Drain Valve | 1 | Drain valve | buy |
| 625-0152 | Bypass Valve | 1 | Bypass valve | buy |
| 71272454 | Capacity Label | 1 | Capacity label | buy |
| 71289326 | Trolley wheel bearing | Bearing | buy | |
| LP93917 | Riding mower standard cover (sold by case of 6) | 6 | Riding mower cover | buy |
| N5000-137HSTB | Retaining Ring | 4 | Retaining ring | buy |
| PTHS0058 | Hanger Shaft Assembly (incl's. items 7, 8 and 9) | 1 | Hanger shaft assembly | buy |
| S47027 | Wheel Plain (1/2 ton) | 4 | Wheel | buy |
| S48485 | Wheel Bearing | 4 | Bearing | buy |
| 950-0003 | Onan Parts Catalog | 1 | Service part / kit | buy |
| 950-0006 | Onan Service manual | 1 | Service part / kit | buy |
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 |
|---|---|---|---|
| Prime | |||
| Standby | 253.62 |
Available documents
Operator's manual — 950-0004 Onan GTU Genset Operator's Manual (12-1981)Parts manual — 965-0102 Onan GCAA GCAB GCAC Operator's and Install Manual (7-1997)Service manual — 950-1001 Onan GTU Operator's Manual (3-1977) (Cummins/Onan)