Most fast moving under chassis parts of howo dump truck (including cabin parts) are mainly following:
| Left head lamp |
| Right head lamp |
| windscreen motor |
| Wiper assemblies |
| 430 Clutch Plate |
| Clutch Disc |
| 430 Release Bearing |
| Tail Lamp L |
| Tail Lamp R |
| Clutch Servo |
| Nylon Bushing |
| Brake Chamber L |
| Brake Chamber r |
| Brake Chamber |
| Brake Chamber |
| Ignition Switch |
| HOWO front shock absorber assembly |
| Rear shock absorber assembly |
| Lateral stability shock absorber assembly |
| Hydraulic lock assembly |
| HOWO left rearview mirror |
| HOWO Right rearview mirror |
| Hydraulic oil pump |
| HOWO intercooler |
| Radiator |
| Gear selection flexible shaft assembly (4100) |
| Shift flexible shaft assembly (4000) |
| Manipulator (right) |
| Transmission shift lever |
| Drive shaft between bridges |
| Gimbal |
| thrust rod assembly |
| Thrust rod rubber core |
| Rubber bearing assembly |
| V-shaped thrust rod assembly |
| V push rubber core |
| NANOBCU controller |
| Left combination switch (right car) |
| Four-circuit protection valve |
| Air dryer |
| Power steering gear |