| Basic Information |
|
| Model |
Komatsu PC78US-8 |
| Engine Model |
Komatsu SAA4D95LE-5 (4-cylinder, turbocharged, water-cooled diesel) |
| Displacement |
3.26 L |
| Gross Power |
42.8 kW (57 HP) @ 1950 rpm |
| Net Power |
41 kW (55 HP) @ 1950 rpm (ISO 9249/SAE J1349) |
| Operating Weight |
6,945-7,535 kg (15,315-16,615 lbs); Standard: 7,365 kg (16,240 lbs) |
| Standard Bucket Capacity |
0.28 m³ (0.09-0.34 m³ optional) |
| Performance |
|
| Max Travel Speed |
4.2 km/h (high); 2.6 km/h (low) |
| Max Bucket Digging Force (ISO) |
61.3 kN (6,250 kgf) |
| Max Arm Digging Force (ISO) |
34.5 kN (3,520 kgf) |
| Swing Speed |
10 rpm |
| Ground Pressure |
34.0 kPa (4.93 psi) |
| Tail Swing Radius |
1,240 mm (tight tail swing, ideal for narrow spaces) |
| Dimensions |
|
| Transport Length |
6,295 mm |
| Transport Width |
2,330 mm |
| Transport Height |
2,730 mm |
| Max Digging Depth |
4,100 mm |
| Max Dumping Height |
4,770 mm |
| Max Digging Radius |
6,380 mm |
| Capacities |
|
| Fuel Tank |
130 L |
| Hydraulic Tank |
60 L |
| Engine Oil Capacity |
12 L |
| Hydraulic System |
|
| Main Relief Pressure |
24.5 MPa |
| Main Pump Flow |
155 L/min |
