| Series | Unit | 2105A |
| Type | Vertical, wate-cooled, 4 stroke, swirl combustion chamber | |
| No. of cylinder | 2 | |
| Bore | mm | 105 |
| Stroke | mm | 130 |
| Speed | pcs/min. | 1500 |
| Power | HP | 24 |
| Net weight | kg | 340 |
| 2105A-3A | Steel frame pedestal, with a separate support bearing house, flat pulley size:Ø235 ×130mm |
| 2105A-33A | Steel frame pedestal, with a separate support bearing house, flat pulley size:Ø235 ×130mm |
| 2105A-6 | Steel frame pedestal, directly connecting with flywheel,falt pulley size:Ø190×235mm |

