| General parameters |
|---|
| Device model | PC400-8 | Model abbreviation | 400 |
| Tonnage range | Large dig (30-50 tons) | walking style | crawler |
| Bucket form | backhoe | Working condition usage | Mine type |
| Engine (fuel) |
|---|
| Engine brand | Komatsu | model | SAA6D125E-5 |
| Type | Turbocharging, intercooling, cooling EGR | Rated power(kW) | 350(257) |
| Rated speed (r/min) | 1900 | Total displacement (L) | 11.04 |
| Number of cylinders (number) | 6 | Bore size × stroke (mm) | 125*150 |
| Performance parameters |
|---|
| Working weight (kg) | 42100 | Bucket capacity (m³) | 1.90~2.10 |
| Walking speed (high/low) (km/h) | 5.5/3.0 | Rotation speed (rpm) | 9.1 |
| Ground specific pressure (Kpa) | 78.2 | Gradeability(%) | 70 |
| Bucket digging force (kN) | 277.34 | Digging force of stick (kN) | 228.57 |
| Boom length (mm) | 7060 | Dipper length (mm) | 3380 |
| Overall size |
|---|
| Length × width × height (transportation state) (mm) | 11940×3340×3660 | Overall height of cab (mm) | 3285 |
| Counterweight ground clearance (mm) | 1320 | Track ground length (mm) | 4020 |
| Total length of crawler track(mm) | 5055 | Track shoe width (mm) | 600 |
| Total track width (mm) | 3340 | Track gauge (mm) | 2740 |
| Minimum ground clearance (mm) | 567 | Minimum turning radius (front end device) (mm) | 4805 |
| Back end turning radius (mm) | 3645 | | |
| Scope of work |
|---|
| Maximum digging radius (mm) | 12005 | Maximum excavation radius of parking surface (mm) | 11800 |
| Maximum digging depth (mm) | 7790 | Maximum digging height (mm) | 10925 |
| Maximum unloading height (mm) | 7625 | Maximum vertical excavation depth (mm) | 6600 |
| oil capacity |
|---|
| Fuel tank(L) | 650 | Hydraulic oil tank(L) | 248 |
| Engine oil replacement amount (L) | 37.0 | Coolant (L) | 36.0 |
| Hydraulic system |
|---|
| Main pump type | variable piston pump | Maximum flow rate of main pump (L/min) | 690 |
| Travel hydraulic motor type | 2 axial piston motors (with parking brake) | Rotary hydraulic motor type | 1 axial piston motor (with swing holding brake) |
| Working hydraulic oil circuit (Mpa) | 37.3 | Travel hydraulic circuit (Mpa) | 37.3 |
| Rotary hydraulic circuit (Mpa) | 27.9 | Maximum pressure of pilot system (Mpa) | 3.2 |
| Boom cylinder - bore × stroke (mm) | 2-160*1570*110 | Stick cylinder - bore × stroke (mm) | 1-185*1985*130 |
| Bucket cylinder - bore × stroke (mm) | 1-160*1270*110 | |
Complaint
