Introduction
The Komatsu PC78US-6 is a powerful and versatile excavator that is designed to handle a wide range of construction and excavation tasks. With its impressive specifications and advanced features, this machine is built to deliver exceptional performance and productivity on the job site. In this article, we will explore the detailed specifications of the Komatsu PC78US-6, covering various aspects such as size, weight, engine power, and more.
Specifications
Size and Weight
The Komatsu PC78US-6 is a compact excavator that offers excellent maneuverability in tight spaces. Here are the specifications related to its size and weight:
| Operating Weight | 7,900 kg |
| Transport Length | 6,000 mm |
| Transport Width | 2,320 mm |
| Transport Height | 2,570 mm |
Engine Power
The Komatsu PC78US-6 is equipped with a robust engine that provides the necessary power to tackle demanding tasks. Here are the specifications related to its engine:
| Engine Model | Komatsu SAA4D95LE-3 |
| Net Power | 55 kW (74 hp) |
| Gross Power | 57 kW (76 hp) |
Performance
The Komatsu PC78US-6 is designed to deliver exceptional performance and productivity on the job site. Here are some key performance specifications:
- Max Digging Depth: 4,140 mm
- Max Dumping Height: 5,100 mm
- Max Digging Reach: 6,420 mm
- Bucket Capacity: 0.21 – 0.52 m³
Hydraulic System
The hydraulic system of the Komatsu PC78US-6 ensures smooth and efficient operation. Here are some specifications related to its hydraulic system:
| Main Pump Type | Variable Displacement Piston Pump |
| Max Flow Rate | 2 x 100 L/min |
| Relief Valve Setting | 28.4 MPa (290 kgf/cm²) |
Other Specifications
Here are some additional specifications of the Komatsu PC78US-6:
- Travel Speed: 2.9 – 4.9 km/h (1.8 – 3.0 mph)
- Ground Pressure: 34.3 kPa (0.35 kgf/cm²)
- Fuel Tank Capacity: 130 liters (34.3 gallons)
- Swing Speed: 10.4 rpm
Conclusion
The Komatsu PC78US-6 is a reliable and high-performing excavator that offers impressive specifications to meet the demands of various construction and excavation projects. With its compact size, powerful engine, and advanced hydraulic system, this machine is well-equipped to handle a wide range of tasks with efficiency and precision. Whether you’re working in tight spaces or tackling demanding projects, the Komatsu PC78US-6 is a dependable choice that delivers exceptional performance on the job site.
