| Model No. | ET-250B | ET-350B | ET-450B |
| Max. Traction Load | 2500 kg | 3500 kg | 4500KG |
| Overall Machine Size (L*W*H) | 1705*760*1100 | 1700*805*1200 | 1945*850*1270 |
| Wheels Size (front wheels) | 2-φ406 X 150 | 2-φ375 X 115 | 500-8(450-125) |
| Wheels Size (back wheels) | 2-φ125 X 50 | 2-φ125 X 50 | 2-φ200x50 |
| Height of operating handle | 915 | 1000 | 1030 |
| Battery Power | 2*12V/100Ah | 2*12V/100Ah | 2*12V/120Ah |
| Drive Motor | 1200W | 1500W | 2200W |
| Charger | 24V/15A | 24V/15A | 24V/15A |
| Tractive Speed | 4-5Kw/h | 3-5Kw/h | 2.5-3.5Kw/h |