Specifications
| Fuel | LP vapor |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 6 kW |
| Controller | Digital voltage regulation |
| Oil capacity | 1.9 L |
| Alternator | revolving field AC 2-pole (2-pole, Class ANSI/RVIA EGS-1 insulation) |
| Voltage options | 120 V |
| Phase | 1 |
| Rated current | 54.2 A |
| Circuit breaker | 30 A + 30 A A |
| Battery cranking | 360 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Max ambient | 49 °C |
| Dimensions (L×W×H) | 853×563×425 mm |
| Dry weight | 132 kg |
| Sound level | 67.0 dBA @ 3 m |
Engine
| Oil capacity | 1.9 L |
|---|---|
| Coolant capacity | 0.0 L |
| Displacement | 0.653 L |
| Aspiration | naturally aspirated |
| Rated speed | 2880 rpm |
Maintenance & consumables
for the Cummins/Onan OHV EH65V| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | replaceable dry element air cleaner | — | |||
| Fuel filter | long-life fuel filter | — | |||
| Oil filter | spin-on, full-flow lube oil filter | — | |||
| Battery | Battery charging - 5 A | — | |||
| Belt | 2 in exhaust tubes, straight with flanged end | — | |||
| Coolant | Centrifugal blower, generator set-mounted for high effectiveness, pressurized system, vertical flow | — | |||
| Oil | spin-on, full-flow lube oil filter | 2.0 L | — | ||
| Spark plug | Electronic magneto type with resistor plugs | — |
Recommended fluids
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Engine oil | Full pressure positive displacement pump | -29°C to 49°C | 2.0 qt | Gasoline models: -20°F to 120°F (-29°C to 49°C); LP models: 0°F to 120°F (-18°C to 49°C) | |
| Fuel | Gasoline or LP vapor | Positive fuel shutoff (3 psi), fuel lift 3 ft (0.9 m) |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Procedures
1Starting operation
- Remote start via 12V starter with automatic start disconnect
- Stop with one-touch stop switch
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Common questions
What size generator is the Cummins/Onan 6.5 HGJAB-904?
The Cummins/Onan 6.5 HGJAB-904 is rated 6 kW standby.
What engine does the Cummins/Onan 6.5 HGJAB-904 use?
The Cummins/Onan 6.5 HGJAB-904 is powered by the Cummins/Onan OHV EH65V engine.
What fuel does the Cummins/Onan 6.5 HGJAB-904 use?
The Cummins/Onan 6.5 HGJAB-904 runs on LP vapor.
What is the oil capacity of the Cummins/Onan 6.5 HGJAB-904?
The Cummins/Onan OHV EH65V engine in the Cummins/Onan 6.5 HGJAB-904 has an oil capacity of 1.9 liters.
What alternator does the Cummins/Onan 6.5 HGJAB-904 use?
The Cummins/Onan 6.5 HGJAB-904 uses a revolving field AC 2-pole alternator. It has 2 poles. Insulation class ANSI/RVIA EGS-1.
Parts
13| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 148-1161 | LPG vapor fuel conversion kit | 1 | Service part / kit | eBay |
| 155-2424 | Exhaust tube, straight with flanged end (7 in) | 1 | Service part / kit | eBay $94.33 |
| 155-2610 | Exhaust tube, straight with flanged end (3 in) | 1 | Service part / kit | eBay |
| 155-2610-01 | Exhaust tube, straight with flanged end (12.5 in) | 1 | Service part / kit | eBay |
| 155-3481-01 | Tailpipe kit (22 in) | 1 | Service part / kit | eBay $100.36 |
| 155-3481-02 | Tailpipe kit (26 in) | 1 | Service part / kit | eBay $77.99 |
| 300-5331 | Remote start/stop rocker switch | 1 | Service part / kit | eBay $148.60 |
| 300-5332 | Remote control with start/stop switch and running time meter | 1 | Service part / kit | eBay $145.00 |
| 300-5333 | Remote control w/start/stop switch and DC voltmeter | 1 | Service part / kit | eBay $240.02 |
| 338-3489-01 | Remote control plug and wire harness (10 ft) | 1 | Service part / kit | eBay $65.25 |
| 338-3489-02 | Remote control plug and wire harness (30 ft) | 1 | Service part / kit | eBay $65.00 |
| 405-6699 | Underfloor mounting kit | 1 | Service part / kit | eBay |
| 539-2057 | Installation template | 1 | Service part / kit | 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 |
|---|---|---|---|
| Continuous | 1.6 | 0.4 | |
| Continuous | 50% | 2.8 | 0.7 |
| Continuous | 100% | 4.6 | 1.2 |
| Standby | 1.6 | 0.4 | |
| Standby | 50% | 2.8 | 0.7 |
| Standby | 100% | 4.6 | 1.2 |