The Ultimate Guide to the Komatsu D355 Bulldozer
The Komatsu D355 bulldozer is a robust piece of construction equipment renowned for its durability, efficiency, and high performance. First introduced in 1980, this bulldozer has become a staple in various industries, including construction, mining, and earthmoving. With its powerful engine, advanced features, and operator-friendly controls, the D355 series has earned a reputation as a reliable workhorse. In this guide, we will explore the specifications, applications, and unique features of the Komatsu D355 bulldozer, ensuring that you have all the information you need to make an informed decision.
Comparison of Komatsu D355 Models
| Model | Engine Power (HP) | Torque (lb-ft) | Weight (lbs) | Applications |
|---|---|---|---|---|
| D355A-1 | 410 | 1,273 | 54,000 | Construction, mining, land clearing |
| D355A-2 | 410 | 1,273 | 54,500 | Heavy-duty earthmoving |
| D355A-3 | 410 | 1,273 | 55,000 | Road building, site preparation |
| D355A-5 | 410 | 1,273 | 55,500 | Grading, trenching |
Overview of the Komatsu D355 Series
The Komatsu D355 series is designed to provide exceptional performance in various working conditions. With its powerful SA6D140 diesel engine, the bulldozer delivers a notable output of 410 HP. This engine is engineered for high fuel efficiency, allowing for prolonged operation without frequent refueling. The D355’s powershift transmission ensures smooth gear transitions, enhancing overall productivity on the job site.
Engine Specifications
The heart of the D355 bulldozer lies in its engine. The Komatsu SA6D140 diesel engine is a six-cylinder powerhouse that delivers reliability and efficiency. Key specifications include:
- Horsepower: 410 HP at 2,000 RPM
- Torque: 1,273 lb-ft at 1,400 RPM
- Fuel System: Direct injection for improved efficiency
- Cooling System: A well-designed cooling system ensures optimal engine performance under heavy loads.
Transmission and Performance
Equipped with a robust powershift transmission, the D355 provides smooth and efficient gear changes, vital for maintaining productivity in challenging conditions. The innovative Toroflow transmission allows for easy hydraulic oil management, making it user-friendly for operators.
Undercarriage and Durability
One of the standout features of the D355 bulldozer is its undercarriage system. Komatsu’s design includes unique dust seals that keep out contaminants while maintaining lubrication. The self-lubricating rollers reduce maintenance needs, allowing for extended periods of operation without service interruptions. The lowered chassis design facilitates easier maintenance access, which is crucial for minimizing downtime.
Key Features and Benefits
Operator Comfort and Control
Comfort is paramount for operators who spend long hours in the cab. The D355 bulldozer features a bucket-type reclining oil suspension seat that provides excellent support and minimizes vibrations. The single-lever control system allows for intuitive operation, enabling quick changes in speed and direction. Additionally, the dashboard includes warning systems for critical parameters such as engine temperature and oil pressure, ensuring operator awareness.
Safety Features
Safety is a key consideration in the design of the D355 bulldozer. The machine includes an alarm system that alerts operators if loads exceed safe limits for the current speed. This feature protects both the operator and the equipment from potential damage.
Versatility in Applications
The Komatsu D355 bulldozer is versatile and applicable in various industries, including:
- Construction: Grading, site preparation, and road building.
- Mining: Earthmoving and material handling in challenging terrains.
- Land Clearing: Efficiently clearing land for new developments.
The adaptability of the D355 makes it a valuable asset for contractors and construction companies.
Technical Comparison of Komatsu D355 Models
| Feature | D355A-1 | D355A-2 | D355A-3 | D355A-5 |
|---|---|---|---|---|
| Engine Type | Diesel | Diesel | Diesel | Diesel |
| Maximum Power (HP) | 410 | 410 | 410 | 410 |
| Torque (lb-ft) | 1,273 | 1,273 | 1,273 | 1,273 |
| Weight (lbs) | 54,000 | 54,500 | 55,000 | 55,500 |
| Transmission Type | Powershift | Powershift | Powershift | Powershift |
| Operating Weight (lbs) | 54,000 | 54,500 | 55,000 | 55,500 |
| Blade Width (ft) | 12 | 12 | 12 | 12 |
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Conclusion
The Komatsu D355 bulldozer stands out in the heavy machinery market with its powerful engine, advanced features, and operator-centric design. Its versatility allows it to adapt to various applications, from construction to mining. With a commitment to safety and durability, the D355 series provides construction companies with reliable performance that meets and exceeds expectations. Whether you’re looking to move large volumes of material or handle tough terrain, the D355 is engineered to get the job done efficiently.
FAQ
What is the horsepower of the Komatsu D355 bulldozer?
The Komatsu D355 bulldozer features a powerful SA6D140 diesel engine that delivers 410 horsepower at 2,000 RPM.
What type of transmission does the D355 use?
The D355 is equipped with a robust powershift transmission, which provides smooth and efficient gear changes essential for productivity.
What is the weight of the Komatsu D355A-1 model?
The D355A-1 model has an operating weight of approximately 54,000 lbs.
Can the D355 bulldozer be used in mining applications?
Yes, the Komatsu D355 bulldozer is suitable for various applications, including mining, where it can effectively handle heavy earthmoving tasks.
How does the D355 ensure operator comfort?
The D355 features a bucket-type reclining oil suspension seat that minimizes vibrations and provides excellent support for the operator during long hours of work.
What safety features are included in the D355 bulldozer?
The D355 includes an alarm system that alerts the operator if loads exceed safe limits for the current speed, enhancing safety on the job site.
Is the D355 easy to maintain?
Yes, the D355’s lowered chassis design allows for easy maintenance access, and its self-lubricating rollers reduce the need for frequent servicing.
What is the torque output of the Komatsu D355 bulldozer?
The D355 delivers a torque output of 1,273 lb-ft at 1,400 RPM.
What industries commonly use the D355?
The D355 bulldozer is widely used in construction, mining, and land clearing industries due to its versatility and reliability.
Where can I find more information about the Komatsu D355?
For more information, you can visit specialized machinery websites such as www.e-machinery.net, www.ritchiespecs.com, or www.machinerytrader.com.
