Ameer Randolph
The Komatsu D475A-8 is a mining dozer that can rip solid rock and clean up around the dragline. It is designed for high production with minimal fuel consumption. The D475A-8 boasts an operating weight of 115,300 kg (254,193 lbs), with a net horsepower of 664 kW at 2,000 rpm (890 HP) in forward and 722 kW (968 HP) in reverse. The D475A-5SD model is Tier II EPA, EU, and Japan emissions certified while providing reliability and fuel economy. The D475-A2 model has been in use since 2002, and older models were installed in 1992.
| Characteristics | Values |
|---|---|
| Fuel consumption | 10% reduction in fuel consumption with automatic transmission with lockup torque converter compared to operation in manual gearshift mode |
| Engine power | 11.5% increase in engine power in reverse |
| Operating weight | 74,090 kg (163,340 lbs) |
| Horsepower | 664 kW at 2,000 rpm (890 HP) in forward and 722 kW (968 HP) in reverse |
| Operator comfort | Ergonomically placed touch points, palm control joysticks, outstanding operator visibility to the ripper shank, a rear view monitoring system, and a heated, ventilated, air-suspended seat |
| Average operating time | 46,748 hours of operation per dozer (for D475-A2 dozers installed in 1992) |
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What You'll Learn
- The Komatsu D475A-8 dozer uses 10% less fuel than previous models
- The D475A-5SD has a powerful, clean, turbocharged engine that is fuel-efficient
- The D475A-8 has an automatic gearshift mode that increases ground speed and reduces fuel consumption
- The D475-A2 dozer's fuel consumption and operating hours are available for analysis
- The D475A-8's lockup torque converter increases efficiency and reduces fuel consumption
The Komatsu D475A-8 dozer uses 10% less fuel than previous models
The Komatsu D475A-8 dozer is a versatile mining dozer, capable of ripping solid rock and cleaning around the dragline. It is a powerful and speedy machine designed for high production with minimal fuel consumption.
The D475A-8 dozer boasts an operating weight of 115,300 kg (254,193 lbs), with a net horsepower of 664 kW at 2,000 rpm (890 HP) in forward and 722 kW (968 HP) in reverse. This additional horsepower yields faster ground speeds and shorter cycle times, increasing production and yield.
Komatsu included a lockup torque converter, which produces a more efficient transfer of power to the driveline. The automatic gearshift mode allows the system to automatically engage the torque converter lockup clutch, transmitting all the engine power directly to the transmission, increasing ground speed and offering fuel efficiency.
The D475A-8 dozer is also equipped with Komatsu's ProVision Machine Guidance System, which helps operators work more efficiently and according to plan. This system reduces rework and can eliminate the need for manual survey methods. Additionally, the dozer features the MineCare Maintenance Management System, which combines real-time remote equipment health monitoring with cloud computing and advanced analytics. This system helps detect issues before they occur, reducing unplanned maintenance and equipment degradation.
With all these features, the Komatsu D475A-8 dozer achieves a 10% reduction in fuel consumption compared to previous models, demonstrating Komatsu's commitment to both productivity and fuel efficiency.
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The D475A-5SD has a powerful, clean, turbocharged engine that is fuel-efficient
The Komatsu D475A-5SD super dozer is a powerhouse in the mining and quarry industries. Its Tier II Komatsu SAA12V140E-3 turbocharged engine is not just powerful and clean but also fuel-efficient. The turbocharged, air-to-air after-cooled diesel engine provides a maximum net output of 890 hp (664 kW) at 2,000 rpm, with an operating weight of 249,560 lbs. (113,198 kg).
The D475A-5SD is EPA, EU, and Japan emissions-certified, ensuring reliability and fuel economy. The super dozer pushes more material without a proportionate increase in operating weight and horsepower, thanks to its innovative blade design. The 58.9-cu.-yd. (45 cu m) super dozer blade provides 15% more production than a conventional U-blade in level dozing.
The D475A-5SD's fuel efficiency is further enhanced by its extra-low machine profile, which provides excellent machine balance and a low center of gravity. This design not only improves stability but also ensures more traction and pushing power, resulting in overall improved fuel usage.
Komatsu's commitment to fuel efficiency is also evident in the newer D475A-8 model. This dozer boasts a 10% increase in productivity and an 11.5% increase in engine power in reverse, all while reducing fuel consumption by 10%. The D475A-8 achieves this through its automatic lockup torque converter, which efficiently transfers power to the driveline, reducing cycle times and fuel usage.
Additionally, the D475A-8's automatic gearshift mode further optimizes fuel efficiency by automatically engaging the torque converter lockup clutch. This direct transmission of engine power increases ground speed and provides efficiencies comparable to a direct drive, resulting in reduced fuel consumption.
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The D475A-8 has an automatic gearshift mode that increases ground speed and reduces fuel consumption
The Komatsu D475A-8 is a mining dozer that can be used for ripping solid rock and cleaning up around the dragline. It is designed to deliver high production with minimal fuel consumption. The D475A-8 has an automatic gearshift mode that increases ground speed and reduces fuel consumption. This is achieved through the use of an automatic lockup torque converter, which efficiently transfers power to the driveline, reducing cycle times and increasing production.
The automatic gearshift mode in the D475A-8 allows the system to automatically engage the torque converter lockup clutch, transmitting all engine power directly to the transmission. This results in increased ground speed and improved fuel efficiency. The lockup torque converter also contributes to a more efficient transfer of power, enhancing productivity.
The D475A-8's fuel-saving features are further enhanced by its low drive undercarriage, which reduces wear and tear on the machine. This, combined with the increased engine power in reverse (up to 11% more than in the forward direction), contributes to overall improved fuel efficiency.
In comparison to its predecessor, the D475A-8 offers a significant improvement in fuel economy. According to Komatsu, the D475A-8 can achieve a 10% reduction in fuel consumption when operated in automatic transmission mode with the lockup torque converter, as opposed to manual gearshift mode. This not only reduces fuel costs but also contributes to a more efficient and environmentally friendly machine.
The D475A-8 is a testament to Komatsu's commitment to innovation and sustainability. By incorporating advanced technologies, such as the automatic gearshift mode and lockup torque converter, Komatsu has created a dozer that strikes a balance between performance and fuel efficiency, making it a preferred choice in the mining and construction industries.
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The D475-A2 dozer's fuel consumption and operating hours are available for analysis
The D475-A2 dozers' fuel consumption and operating hours are available for analysis. Data on these parameters for the five-year period between 2002 and 2006 can be analysed to evaluate the performance of these machines.
The D475-A2 dozer is a powerful machine designed for mining and quarry work. With a focus on productivity and operator comfort, the D475-A2 boasts impressive specifications. For instance, its blade design enables it to push more material without a corresponding increase in operating weight or horsepower. This results in increased production without a significant fuel consumption.
Additionally, the D475-A2 is equipped with advanced technology, such as the Vehicle Health Monitoring System (VHMS). This system remotely monitors machine operating information, including operating hours, maintenance alerts, and system trend data. By utilising wireless technology, the VHMS sends this data to a secure website for analysis. This remote monitoring capability increases machine availability and provides valuable insights to enhance business efficiency and productivity.
Furthermore, the D475-A2's engine is designed for fuel efficiency and performance. The Komatsu SAA12V140E-3 turbocharged engine is air-to-air after-cooled, delivering a maximum net output of 890 horsepower. This engine is emissions-certified by the Tier II EPA, EU, and Japan, ensuring reliability and fuel economy.
The D475-A2's fuel consumption and operating hours can be analysed to optimise its performance and efficiency. By studying the data collected over an extended period, insights can be gained into the machine's fuel efficiency, productivity, and maintenance requirements. This analysis can help identify areas for improvement, such as reducing fuel consumption or optimising operating hours, ultimately lowering operating costs and enhancing the machine's overall effectiveness.
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The D475A-8's lockup torque converter increases efficiency and reduces fuel consumption
The Komatsu D475A-8 is a versatile mining dozer that can rip solid rock and clean up around the dragline. The D475A-8 is designed for high production with minimal fuel consumption. It has an operating weight of 115,300 kg (254,193 lbs) and a net horsepower of 664 kW at 2,000 rpm (890 HP) in forward and 722 kW (968 HP) in reverse. This additional horsepower yields faster ground speeds and shorter cycle times, speeding up production and increasing yield.
The Komatsu lockup torque converter produces a more efficient transfer of power to the driveline, helping to decrease cycle times and increase production. The D475A-8 also features a low drive undercarriage that reduces wear and tear on the machine while delivering comfort and stability.
The D475A-8 is engineered for exceptional production and offers improved operator comfort. The operator's cab features ergonomic touch points, palm control joysticks, excellent visibility, a rear-view monitoring system, and a heated, ventilated, air-suspended seat.
The Komatsu D475A-8 is a reliable and productive machine for the mining sector, with increased efficiency and reduced fuel consumption compared to previous models.
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Frequently asked questions
The Komatsu D475A-8 dozer is designed for high production with minimal fuel consumption. It offers a 10% reduction in fuel consumption with automatic transmission with a lockup torque converter compared to operation in manual gearshift mode.
The D475A-8 dozer has a net horsepower of 664 kW at 2,000 rpm (890 HP) in forward and 722 kW (968 HP) in reverse.
The operating weight of the D475A-8 dozer is 115,300 kg (254,193 lbs).
The D475A-8 dozer is designed for high production and minimal fuel consumption. It offers increased horsepower, faster ground speeds, shorter cycle times, and improved operator comfort. It also features a low centre of gravity for enhanced stability.
