| HT388H |
| Overall Dimension |
| Length(with bucket on ground) | 6450±80mm |
| Overall width（at stabilizer ） | 2490±10mm |
| Load Bucket width | 2490±10mm |
| Height(To the top of the cab) | 3120±10mm |
| Height(To the top of the digging pole) | 3940 ±20mm |
| Wheel base | 2335±10 mm |
| Back wheel Tread | 2139 ±10mm |
| Main Loading Technical Specification |
| Rated load | 2500KG |
| Operating weight | 9120kg |
| Rated bucket capacity | 1.2m3 |
| Max. dump clearance | 3050±50 mm |
| Dump reach | 870±20 mm |
| Outside of bucket | 6420±100mm |
| Main Digging Technical Specification |
| Rated digging bucket capacity | 0.3m3 |
| Max. digging depth | 3820±20 mm |
| Max. digging radius | 5345±20mm |
| Max. dumping height | 3740±20mm |
| Max. digging force | kgf |
| Max. Digging Height | 5470 ±20mm |
| Lifting force at maximum excavation radius | 1220kg |
| Maximum excavation depth (telescopic arm) | 4970±20 mm |
| Maximum loading height (telescopic arm) | 4983±20mm |
| Maximum excavation height (telescopic arm) | 6680±20mm |
| Diesel engine |
| Model | YC4A105Z-T20 |
| Type | 水冷 |
| Rated output | 75 (kW) |
| Total exhaust of cylinder | 4.8(L) |
| Rated speed | 2200(r/min) |
| Max. Torque | 400(N.M) |
| Transmission System |
| Torque Converter |
| Model | 315 |
| Cooling type | Pressure oil circulating |
| Transmission case |
| Model | 15 |
| Type | Mechanically operated hydraulic synchronous shift |
| Axle and Tire |
| Model | WZL100 |
| Gear shift position | 4 F,、 4 R |
| （F/R）km/h | F1,，5km/h,；F2，10km/h,； |
| F3,，18km/h；F進(jìn)4,，32km/h,； |
| R1，5km/h,；R2,，10km/h； |
| R3,，18km/h,；R4，32km/h,； |
| Size of tire | 16.9-28 |
| The hydraulic system |
| Working pump discharge | 63ml/r |
| Working pump pressure | 20Mpa |
| Type of steering gear | BZZ-500 |
| Excavating equipment (crushing hammer) |
| Drill rod diameter mm | 68-70 |
| Pressure of work pa | 11-14 |
| The impact frequency | 500-900 |
| Flow range L/min | 25-45 |
| The kinetic energy KN | 49 |
| Oil Capacity |
| The hydraulic oil tank | 125 |
| Diesel fuel tank | 125 |
