| Item | SEM919 | SEM921 |
| Overall weight (kg) | 15070 | 15930 |
| weight - front axle(kg) | 4236 | 4744 |
| weight - back axle(kg) | 10834 | 11186 |
| Front / back axle load distribution | 28% /72% | 30% /70% |
| Overall dimension(mm) | 8703*2630*3360 | 8854*2630*3360 |
| Max. Tractive Force(KN) | ≥78 | ≥85 |
| Max. forward speed(km/h) | 40 | 40 |
| Max. backward speed(km/h) | 25 | 25 |
| Engine | Shangchai | Shangchai |
| Model | SC9DK190.1G3 | SC9DK220G3 |
| Rated power(kw) | 140 | 162 |
| Rated revolution(rpm) | 2200 | 2200 |
| Displacement(L) | 8.8 | 8.8 |
| Transmission | Hangzhou advance gearbox | Hangzhou advance gearbox |
| Gear | 6 in the front 6 and 3 in the back | 6 in the front 6 and 3 in the back |
| Hydraulic system | load sensing, proportional priority with pressure compensation | load sensing, proportional priority with pressure compensation |
| Working pump | Variable Piston Pump | Variable Piston Pump |
| Working valve | Proportional priority with pressure compensation | Proportional priority with pressure compensation |
| Tire | Diagonal tire with inner tube | Diagonal tire with inner tube |
| Layer/pattern | 12pr, E2/L2 | 12pr, E2/L2 |
| Model | 17.5-25 | 12pr, E2/L2 |
| Max. articulation angle(°) | ±20 | ±20 |
| Min. turning radius(m) | ≤7.8 | ≤7.8 |
| Shovel floating | Standard | Standard |
| Shovel length(m) | 4 | 4.3 |
