Komatsu D31EX-21 Specs
Overview
The Komatsu D31EX-21 is a powerful and reliable bulldozer designed to tackle a wide range of construction and earthmoving projects. With its robust build and advanced features, this machine offers exceptional performance and efficiency. Let’s delve into the detailed specifications of the Komatsu D31EX-21.
Engine
The heart of the Komatsu D31EX-21 is its powerful engine, which ensures optimal performance in various working conditions. The bulldozer is equipped with a Komatsu SAA4D95LE-5 engine that delivers a net power of 87 horsepower (65 kW). This engine complies with the latest emission regulations, making it environmentally friendly.
Dimensions and Weight
The Komatsu D31EX-21 has a compact and maneuverable design, allowing it to navigate through tight spaces with ease. Here are the key dimensions and weight specifications:
- Operating Weight: 17,220 lbs (7,810 kg)
- Length with Blade: 13.5 ft (4,120 mm)
- Width: 7.9 ft (2,400 mm)
- Height: 8.6 ft (2,630 mm)
Blade and Ripper
The bulldozer features a durable and efficient blade, enabling it to handle various grading and leveling tasks. The blade capacity is 2.6 cubic yards (2 cubic meters), allowing for efficient material movement. Additionally, the Komatsu D31EX-21 can be equipped with a rear-mounted ripper, which enhances its versatility in breaking up tough ground surfaces.
Undercarriage
The undercarriage of the Komatsu D31EX-21 is designed to provide stability and durability in demanding working conditions. It features a robust track frame and high-tensile strength track chains that ensure excellent traction and extended service life. The standard track shoe width is 20 inches (500 mm).
Performance
The Komatsu D31EX-21 offers impressive performance capabilities, making it suitable for a wide range of applications. Here are some key performance specifications:
| Maximum Speed (Forward) | 6.2 mph (10 km/h) |
| Maximum Speed (Reverse) | 6.8 mph (11 km/h) |
| Ground Pressure | 4.3 psi (0.30 kg/cm²) |
| Blade Capacity | 2.6 cu yd (2 cu m) |
| Maximum Digging Depth (Ripper) | 21.3 inches (540 mm) |
Fuel Efficiency
The Komatsu D31EX-21 is designed to deliver excellent fuel efficiency, helping to reduce operating costs. The bulldozer has a fuel tank capacity of 41.6 gallons (157 liters), allowing for extended periods of operation before refueling is required.
Conclusion
The Komatsu D31EX-21 is a reliable and high-performing bulldozer that excels in a wide range of construction and earthmoving tasks. With its powerful engine, durable build, and advanced features, this machine is a valuable asset on any job site. Whether you need to grade, level, or move materials, the Komatsu D31EX-21 is up to the task.
