| Model | BM-70 | BM-70C |
| WEIGHT | ||
| Operating weight | 850 | 850 |
| Static load(N/CM) | 55 | |
| SIZE | ||
| Working Width(MM) | 875 | |
| Overall length(MM) | 1550 | |
| Machine height(MM) | 1210 | |
| Width of wheel(MM) | 700 before, 500 after | |
| Diameter of wheel(MM) | 530 before, 425 after | |
| Tread(MM) | 1110 | |
| DRIVE | ||
| Engine manufacturer | HONDA | CHANGCHAI |
| Engine model | GX390 | 178F |
| Engine type | Gasoline,single cylinder,air cooling, four stroke | Diesel,single cylinder,air cooling,four stroke |
| Output power(HP/KW) | 13/9.7 | 6.4/4.8 |
| Ratating speed(rpm) | 3600 | |
| Electrical equipment(V) | 12 | |
| Drive mode | Two-way hydraulic & chain drive | |
| WALKING CHARACTERISTICS | ||
| Speed(KM/H) | 0-5 | |
| Theoretical climbing ability | 30% | |
| BRAKE | ||
| Working brake | Variable displacement pump | |
| STEERING | ||
| Steering mode | Machanical steering | |
| Steering system | Rear wheel steering | |
| EXCITATION SYSTEM | ||
| Drive form | Mechanical transmission electromagnetic clutch | |
| Vibration frequency(HZ) | 70 | |
| Vibration amplitude(MM) | 0.5 | |
| Exciting force(KN) | 20 | |
| Capacity | ||
| Hydraulic oil capacity | 12 | |
| Fuel capacity(L) | 6.5 | 3.5 |
| Water tank capacity | 18 | |