Komatsu 78 Excavator Specs: A Comprehensive Overview
Introduction
The Komatsu 78 Excavator is a powerful and reliable machine designed to tackle a wide range of construction and excavation tasks. With its impressive specifications and robust build, this excavator is a popular choice among contractors and construction professionals. In this article, we will delve into the detailed specifications of the Komatsu 78 Excavator, providing you with all the essential information you need.
Engine Specifications
The heart of the Komatsu 78 Excavator lies in its powerful engine. Here are the key engine specifications:
| Engine Type | 4-cycle, water-cooled, direct injection |
| Engine Model | Komatsu SAA4D95LE-6 |
| Displacement | 3.26 L (198.9 cu in) |
| Net Power | 87 kW (117 HP) @ 2,200 rpm |
| Gross Power | 90 kW (121 HP) @ 2,200 rpm |
Operating Specifications
The Komatsu 78 Excavator is designed to deliver exceptional performance in various operating conditions. Let’s take a look at its operating specifications:
| Operating Weight | 7,700 kg (16,975 lb) |
| Bucket Capacity | 0.28 – 0.75 m³ (0.37 – 0.98 yd³) |
| Max Digging Depth | 4,100 mm (13’5″) |
| Max Dumping Height | 5,400 mm (17’9″) |
| Max Digging Reach | 6,480 mm (21’3″) |
Hydraulic System
The hydraulic system of the Komatsu 78 Excavator plays a crucial role in its performance and efficiency. Here are the key specifications of its hydraulic system:
| Hydraulic Pump Type | Variable displacement piston pump |
| Max Flow Rate | 2 x 105 L/min (2 x 27.7 gpm) |
| Relief Valve Pressure | 34.3 MPa (4965 psi) |
Dimensions
Understanding the dimensions of the Komatsu 78 Excavator is essential for planning and executing construction projects. Here are the key dimensions:
| Overall Length | 6,430 mm (21’1″) |
| Overall Width | 2,200 mm (7’3″) |
| Overall Height | 2,690 mm (8’10”) |
| Track Shoe Width | 450 mm (18″) |
Additional Features
In addition to its impressive specifications, the Komatsu 78 Excavator also offers several noteworthy features that enhance its performance and usability. These features include:
- Auto Idle Shutdown
- Auto Deceleration System
- High-resolution 7″ LCD monitor
- Advanced diagnostic system
- Comfortable and spacious cab
Conclusion
The Komatsu 78 Excavator is a reliable and powerful machine that excels in various construction and excavation tasks. With its robust build, advanced features, and impressive specifications, it proves to be a valuable asset on any job site. Whether you need to dig, load, or lift, the Komatsu 78 Excavator is up to the task, delivering exceptional performance and efficiency.
