Specification
| Model | R190A | R190AD | R190AN |
| Type | One-cylinder | horizontal | four-cycle |
| Combustion system | swirl-type | swirl-type | swirl-type |
| Bore x stroke | 90 x 90 | 90 x 90 | 90 x 90 |
| Cooling system | hopper | hopper | radiator |
| 12hours output (hp/2000rpm) | 10 | 10 | 9 |
| 1hours output(hp/2200rpm) | 11 | 11 | 10 |
| Instantaneous speed regulating rate | <=12% | <=12% | <=12% |
| Stable speed regulation rate | <=8% | <=8% | <=8% |
| Starting mode | hand starting | electric motor | hand starting |
| Net weight(kgs) | 95 | 100 | 105 |
| Packing size(L x W x H)mm | 710 x 400 x 710 | 710 x 400 x 710 | 710 x 400 x 710 |