The Ultimate Guide to the Komatsu D355A Dozer
The Komatsu D355A dozer stands out in the heavy machinery landscape as a robust and efficient option for construction and earthmoving tasks. Known for its durability and performance, this bulldozer has been a trusted choice since its inception in 1980. In this comprehensive guide, we will explore the specifications, features, applications, and advantages of the Komatsu D355A dozer, ensuring you have all the information needed to make an informed decision.
Comparison Table of Komatsu D355A Types and Applications
| Model | Engine Power | Weight | Applications |
|---|---|---|---|
| D355A-1 | 410 hp | 37,260 lbs | General construction, land clearing |
| D355A-3 | 410 hp | 39,000 lbs | Mining, road building |
| D355A-5 | 455 hp | 40,000 lbs | Heavy earthmoving, grading |
| D355A-6 | 500 hp | 42,000 lbs | Large-scale construction |
Overview of the Komatsu D355A Dozer
The Komatsu D355A dozer is engineered for high performance and efficiency. With a focus on operator comfort, safety, and operational ease, this dozer has garnered a reputation for reliability in various industries. Its powerful engine, advanced hydraulic systems, and innovative design make it a preferred choice for many construction companies.
Engine and Performance
The D355A is powered by a robust engine that produces 410 horsepower at 2000 RPM, along with an impressive torque of 1,273 lb-ft at 1400 RPM. This ensures that the dozer can handle heavy loads and challenging terrains with ease. The incorporation of a turbocharger and an altitude sensor allows for optimal power delivery in varying conditions without manual adjustments, enhancing fuel efficiency and performance.
Operator Comfort and Control
Operator comfort is paramount in heavy machinery. The D355A features a bucket-type reclining oil suspension seat that absorbs shocks and vibrations, reducing operator fatigue during long hours of work. Additionally, the single lever control system simplifies operation, allowing for precise adjustments in speed and direction with minimal effort.
Safety Features
Safety is a critical aspect of the D355A design. It includes an alarm system that alerts operators if the load exceeds the safe limit for the current speed, protecting both the operator and the equipment. The dozer’s wet-type interconnected steering clutches and brakes provide reliable performance and enhance safety during operation.
Maintenance and Durability
The Komatsu D355A is designed for easy maintenance, with a lowered chassis that provides straightforward access to key components. Its undercarriage features unique dust seals, ensuring that dirt is kept out while essential lubricants are retained for optimal performance. Additionally, self-lubricating rollers reduce the need for special maintenance, further enhancing durability.
Technical Features Comparison Table
| Feature | D355A-1 | D355A-3 | D355A-5 | D355A-6 |
|---|---|---|---|---|
| Engine Power | 410 hp | 410 hp | 455 hp | 500 hp |
| Operating Weight | 37,260 lbs | 39,000 lbs | 40,000 lbs | 42,000 lbs |
| Torque | 1,273 lb-ft | 1,300 lb-ft | 1,400 lb-ft | 1,500 lb-ft |
| Transmission | Toroflow | Toroflow | Toroflow | Toroflow |
| Steering System | Wet-type | Wet-type | Wet-type | Wet-type |
| Seat Suspension | Bucket-type | Bucket-type | Bucket-type | Bucket-type |
| Fuel Economy | High | High | Improved | Best |
Applications of the Komatsu D355A Dozer
The versatility of the Komatsu D355A makes it suitable for a range of applications:
- Construction Projects: The D355A excels in site preparation, grading, and excavation, making it an essential tool for construction companies.
- Mining Operations: With its robust engine and reliable performance, this dozer is ideal for moving earth in mining operations.
- Land Clearing: The powerful blade and efficient operation make it effective for clearing land for new developments.
- Road Building: The D355A is designed to handle the demands of road construction, providing precision and power for grading and surface preparation.
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Conclusion
The Komatsu D355A dozer is a powerful, efficient, and reliable piece of machinery that has proven itself in various applications. With its impressive engine performance, operator comfort, and safety features, it stands out as a top choice for construction and earthmoving tasks. Whether you are in construction, mining, or road building, the D355A offers the durability and performance needed to get the job done right.
FAQ
What is the horsepower of the Komatsu D355A dozer?
The Komatsu D355A dozer produces 410 horsepower, providing ample power for heavy-duty tasks.
What are the main applications of the D355A?
The D355A is used for various applications, including construction, mining, land clearing, and road building.
How does the D355A ensure operator comfort?
It features a bucket-type reclining oil suspension seat that absorbs shocks and vibrations, reducing operator fatigue.
What safety features does the D355A have?
The dozer includes an alarm system that alerts operators if the load is too heavy and has a reliable wet-type steering and braking system.
Is the D355A easy to maintain?
Yes, the D355A is designed for easy maintenance, with a lowered chassis for straightforward access to components and self-lubricating rollers.
What is the fuel efficiency of the D355A?
The D355A provides improved fuel economy due to its direct injection system and mechanical governor.
What type of transmission does the D355A use?
The D355A employs a Toroflow transmission, allowing for efficient hydraulic operation.
How does the D355A perform in different elevations?
With its altitude sensor, the D355A optimizes power delivery at varying elevations without the need for manual adjustments.
What makes the D355A stand out compared to competitors?
It offers a combination of power, efficiency, operator comfort, and safety features that enhance its performance in demanding tasks.
Where can I find more information on the D355A dozer?
You can explore detailed specifications and listings on sites such as www.e-machinery.net, www.machinerytrader.com, and www.equipmenttrader.com.