The Ultimate Guide to the Komatsu D355 Dozer
The Komatsu D355 dozer is renowned for its robust performance, exceptional durability, and versatility in various applications. Since its introduction in 1980, this heavy-duty bulldozer has evolved, offering powerful engines, innovative technologies, and comfort-focused designs. Whether you’re in construction, mining, or land clearing, the D355 dozer provides the reliability and efficiency needed to get the job done.
Comparison of Komatsu D355 Variants
| Model | Engine Type | Horsepower | Torque (lb-ft) | Transmission Type | Applications |
|---|---|---|---|---|---|
| D355A | Komatsu SA6D140 | 410 HP | 1,273 | Powershift | Construction, Mining |
| D355A-1 | Komatsu SA6D140 | 410 HP | 1,273 | Powershift | Land Clearing, Excavation |
| D355A-5 | Komatsu SA6D140 | 410 HP | 1,273 | Powershift | Heavy-Duty Construction |
Overview of the Komatsu D355 Dozer
The Komatsu D355 dozer is a heavy-duty machine designed for performance under the toughest conditions. It features a powerful 410 HP diesel engine, ensuring high fuel efficiency and durability. This bulldozer is equipped with a robust powershift transmission that guarantees smooth and efficient gear transitions, making it suitable for various applications, from construction to mining.
Engine and Performance
The heart of the D355 dozer is its Komatsu SA6D140 diesel engine. This engine boasts impressive specifications, including:
- Horsepower: 410 HP
- Torque: 1,273 lb-ft at 1,400 RPM
- Fuel Efficiency: Enhanced through direct injection and a mechanical governor
These attributes enable the D355 to perform effectively in demanding environments, delivering the power needed for heavy lifting and moving massive loads with ease.
Transmission and Control
The D355 dozer features a state-of-the-art powershift transmission, allowing for smooth gear changes and the ability to control the machine’s power precisely. The single lever control system simplifies operation, enabling operators to adjust speed and direction effortlessly. This intuitive design reduces fatigue during long hours of operation, enhancing overall productivity.
Comfort and Safety Features
Operator comfort is a priority in the D355 design. The dozer comes equipped with:
- Bucket-Type Reclining Oil Suspension Seat: Provides shock absorption and comfort during operation.
- Dashboard Warning Unit: Alerts operators to critical engine parameters, including cooling and lubrication.
- Load Alarm: Warns when the load exceeds safe limits, ensuring operator and equipment safety.
These features contribute to a safer and more comfortable working environment, enabling operators to focus on their tasks without unnecessary distractions.
Undercarriage and Maintenance
The D355 dozer’s undercarriage is built to withstand harsh conditions. Key aspects include:
- Self-Lubricating Rollers: Reduces maintenance needs and enhances operational efficiency.
- Unique Dust Seals: Protects critical components from dirt and debris, increasing longevity.
- Lowered Chassis: Facilitates easy maintenance access, allowing for quick servicing and reduced downtime.
These design elements ensure that the D355 remains reliable and effective throughout its operational life.
Technical Features Comparison
| Feature | D355A | D355A-1 | D355A-5 |
|---|---|---|---|
| Engine Type | Komatsu SA6D140 | Komatsu SA6D140 | Komatsu SA6D140 |
| Horsepower | 410 HP | 410 HP | 410 HP |
| Torque (lb-ft) | 1,273 | 1,273 | 1,273 |
| Transmission Type | Powershift | Powershift | Powershift |
| Weight | Varies by configuration | Varies by configuration | Varies by configuration |
| Operating Weight | ~ 36,000 lbs | ~ 36,000 lbs | ~ 36,000 lbs |
Applications of the Komatsu D355 Dozer
The versatility of the D355 dozer makes it suitable for various applications, including:
- Construction: Ideal for site preparation, grading, and earthmoving tasks.
- Land Clearing: Efficiently clears land for development and agricultural purposes.
- Mining: Perfect for heavy-duty tasks in mining operations, including material handling and site development.
- Excavation: Assists in excavation projects, providing necessary power to move large volumes of earth.
The adaptability of the D355 ensures that it meets the diverse needs of different industries.
Related Video
Conclusion
The Komatsu D355 dozer stands out in the heavy machinery market due to its powerful engine, advanced transmission system, operator comfort features, and rugged undercarriage. Its versatility across various applications makes it a reliable choice for construction, mining, and land clearing tasks. With ongoing advancements in technology and design, the D355 continues to evolve, ensuring it meets the demands of modern operations.
FAQ
What is the horsepower of the Komatsu D355 dozer?
The Komatsu D355 dozer features a powerful engine that delivers 410 horsepower, allowing it to perform effectively in demanding conditions.
What type of engine does the D355 use?
The D355 is equipped with a Komatsu SA6D140 diesel engine, designed for high fuel efficiency and durability.
How does the transmission work in the D355 dozer?
The D355 features a powershift transmission that provides smooth gear changes and precise control over machine power, enhancing ease of operation.
What are the safety features of the D355 dozer?
Safety features include a load alarm to warn operators of excessive loads, a dashboard warning unit for critical engine parameters, and a comfortable suspension seat to reduce operator fatigue.
Can the D355 dozer be used in mining applications?
Yes, the D355 dozer is suitable for mining operations due to its powerful performance and ability to handle heavy materials.
How often does the D355 require maintenance?
The D355’s self-lubricating rollers and unique dust seals reduce maintenance needs, but regular checks and servicing are still essential to ensure optimal performance.
What makes the D355 dozer comfortable for long hours of operation?
The D355 features a bucket-type reclining oil suspension seat and an ergonomic design that minimizes operator fatigue during extended use.
What is the typical weight of the D355 dozer?
The operating weight of the D355 dozer varies by configuration but is approximately 36,000 lbs.
How does the D355 perform in extreme conditions?
The D355 is engineered for high fuel efficiency and durability, making it capable of operating in harsh and extreme conditions.
Where can I find used Komatsu D355 dozers for sale?
Used Komatsu D355 dozers can be found on various equipment trading sites such as www.machinerytrader.com, www.equipmenttrader.com, and www.machinio.com.