The Komatsu D355 is a heavy-duty bulldozer that is well-known for its dependable operation, superb construction, and ability to withstand harsh conditions. We examine every aspect of the Komatsu D355, including its top speed, gearbox setup, and general design, in this article.
Overview of Komatsu D355
| Feature | Details |
|---|---|
| Type | Heavy-duty Bulldozer |
| Manufacturer | Komatsu Ltd. |
| Primary Use | Earthmoving, construction, mining, and forestry applications |
| Engine | Komatsu SA6D140, a six-cylinder diesel engine |
| Introduction Year | Early 1970s |
Key Specifications
| Specification | Details |
|---|---|
| Engine Power | 410 horsepower (HP) |
| Weight | 45,000 kg (99,208 lbs) |
| Top Speed | Forward: 10.5 km/h (6.5 mph), Reverse: 12.4 km/h (7.7 mph) |
| Fuel Tank Capacity | 690 liters (182 gallons) |
| Blade Width | 13.1 ft (standard configuration) |
Engine and Transmission
The Komatsu D355 features a Komatsu SA6D140 diesel engine, delivering a powerful output of 410 HP. This engine is engineered for high fuel efficiency and durability, enabling long hours of operation in extreme conditions.
| Engine Details | Description |
|---|---|
| Engine Model | SA6D140 |
| Cylinders | 6 |
| Fuel Type | Diesel |
| Cooling System | Liquid-cooled |
The bulldozer is equipped with a robust powershift transmission, providing smooth and efficient gear changes.
| Transmission Type | Powershift |
|---|---|
| Number of Gears | 3 Forward, 3 Reverse |
| Shifting Mechanism | Fully hydraulic |
Top Speed and Performance
The Komatsu D355’s top speed is carefully designed to balance performance and control.
| Speed | Details |
|---|---|
| Forward Speed | Up to 10.5 km/h (6.5 mph) |
| Reverse Speed | Up to 12.4 km/h (7.7 mph) |
| Traction | Excellent, with large tracks for superior grip in rough terrain |
Build Quality and Durability
The build quality of the Komatsu D355 sets it apart as a reliable choice for heavy-duty applications. It is constructed using high-strength steel, ensuring longevity and resistance to wear and tear.
| Feature | Description |
|---|---|
| Frame | Reinforced steel |
| Tracks | Wide, heavy-duty tracks for stability |
| Cabin | Ergonomically designed, vibration-dampened, weatherproof |
| Blade Material | Hardened steel for maximum durability |
Features and Attachments
The Komatsu D355 comes with a wide range of features and customizable attachments to meet specific job requirements.
| Feature | Details |
|---|---|
| Blade Types | Straight blade (S-blade), Universal blade (U-blade) |
| Winch | Optional |
| Ripper | Multi-shank ripper for breaking tough ground |
| Hydraulics | High-capacity for smooth blade and ripper operation |
Maintenance and Reliability
Regular maintenance ensures the Komatsu D355 performs optimally for years. Its design emphasizes ease of servicing.
| Maintenance Aspect | Details |
|---|---|
| Filter Access | Easily accessible for quick replacement |
| Lubrication Points | Centralized for faster maintenance |
| Durability | Built to endure harsh working environments |
Applications
The Komatsu D355 is versatile, finding use in a range of industries.
| Industry | Use Case |
|---|---|
| Construction | Earthmoving, site preparation |
| Mining | Ore hauling, excavation |
| Forestry | Land clearing |
| Infrastructure | Road building, dam construction |
FAQs About Komatsu D355
1. What is the fuel efficiency of the Komatsu D355?
The Komatsu D355 is known for its efficient fuel consumption, though actual efficiency depends on the workload and operating conditions.
2. How fast can the Komatsu D355 go?
It has a forward top speed of 10.5 km/h (6.5 mph) and a reverse top speed of 12.4 km/h (7.7 mph).
3. Is the transmission automatic?
The Komatsu D355 features a fully hydraulic powershift transmission with 3 forward and 3 reverse gears.
4. What types of blades are available for the Komatsu D355?
The standard configurations include a straight blade (S-blade) and a universal blade (U-blade).
5. How reliable is the Komatsu D355 in tough terrains?
Its wide tracks, powerful engine, and reinforced steel frame make it extremely reliable in rough terrains.
6. Can the Komatsu D355 be customized with additional attachments?
Yes, optional attachments such as rippers, winches, and specialized blades are available.
Conclusion
A powerful bulldozer that performs exceptionally well in heavy-duty tasks across a range of industries is the Komatsu D355. Its sturdy engine, cutting-edge transmission, and excellent construction make it a dependable workhorse in demanding conditions. Regardless of your industry—construction, mining, or forestry—the Komatsu D355 offers outstanding durability and performance.
