| Feature | Description |
|---|---|
| Engine | Natural gas/propane, Engine oil (Synthetic), Oil drain extension tube, Low oil pressure shutdown |
| Fuel System | Single fuel – natural gas or propane vapor, field selectable |
| Alternator | 60 Hz, 1 phase, < 5% THD (total harmonic distortion), Long life electrographic DC brushes |
| Control | Display language – English, Under-hood built-in display |
| Electrical | Single 100A circuit breaker, UL certified, Battery charging alternator, Battery charger – 4 Amps |
| Cooling | Single direct drive blower |
| Enclosure | Aluminum exterior, galvanized steel interior |
| Base | 5 years / 2000 hours |
|---|---|
| Extended Warranties | Available |
| Voltage regulation | No load to full load: ±1.25% |
| Steady state voltage variation | ±1.25% |
| Frequency regulation | Isochronous |
| Motor starting KVA | 40 for RS20AAC, 34 for RS17A, and 25 for RS13A |
| Steady state frequency variation | ±1.25% (±1.5% @ No load) |
| Operating temperature | -20° F (-29° C) to 122° F (50° C) |
| Model | QSJ999G |
|---|---|
| Design | Naturally aspirated, V-twin air-cooled |
| Bore | 3.54 in (89.9 mm) |
| Stroke | 3.09 in (78.5 mm) |
| Displacement | 60.95 in³ (999 cc) |
| Cylinder block | Aluminum |
| Battery capacity | Group 51R, 450 CCA |
| Starting voltage | 12V |
| Oil filter type | Spin-on |
| Rated speed | 3600 RPM |
| Type | Minimum (in H2O) | Maximum (in H2O) |
|---|---|---|
| Natural Gas | 3.5 (0.87 kPa) | 12.0 (3.0 kPa) |
| LP | 6.0 (1.49 kPa) | 12.0 (3.0 kPa) |
| Model | Load | 1/4 | 1/2 | 3/4 | Full |
|---|---|---|---|---|---|
| RS13A (Natural Gas) | ft³/hr | 129 | 154 | 187 | 228 |
| RS13A (LP Vapor) | ft³/hr | 42 | 51 | 64 | 83 |
| RS17A (Natural Gas) | ft³/hr | 138 | 165 | 215 | 268 |
| RS17A (LP Vapor) | ft³/hr | 44 | 58 | 72 | 94 |
| RS20A (Natural Gas) | ft³/hr | 135 | 172 | 223 | 288 |
| RS20A (LP Vapor) | ft³/hr | 45 | 60 | 76 | 100 |
