| Model | TM21 |
| Technology | Heavy Duty Swash Plate |
| Displacement | 215 cm³ ⁄ rev |
| Number of cylinders | 10 (5 double-headed pistons) |
| Revolution range | 700 – 6000 rpm |
| Direction of rotation | Clockwise and Counter-Clockwise (viewed from clutch) |
| Bore | 32.0 mm |
| Stroke | 26.7 mm |
| Lubrication type | Splash lubrication |
| Shaft seal | Lip seal type |
| Oil | ZXL 100PG PAG OIL (180 cm³) |
| Weight | 5.1 kg (w/o clutch) |
| Dimensions | 229 – 80 – 150 mm (w/ clutch) |
| Mounting | Direct |
