Specification
| Model | R1105 | S1105D | S1105NT |
| Type | One-cylinder | horizontal | four-cycle |
| Combustion system | direct injection | direct injection | direct injection |
| Bore x stroke | 105 x 115 | 105 x 115 | 105 x 115 |
| Cooling system | hopper | hopper | radiator |
| 12hours output (hp/2000rpm) | 18 | 18 | 18 |
| 1hours output(hp/2200rpm) | 19 | 19 | 19 |
| Instantaneous speed regulating rate | <=12% | <=12% | <=12% |
| Stable speed regulation rate | <=8% | <=8% | <=8% |
| Starting mode | hand starting | — | hand starting |
| Net weight(kgs) | 160 | 165 | 170 |
| Packing size(L x W x H)mm | 945 x 440 x 760 | 945 x 440 x 760 | 945 x 440 x 760 |