The Caterpillar Company has been introduced caterpillar d9r dozer that has grade protection mode system, which uses the plain site plan as a solid floor, and won’t let the driver push the strongest blade through the floor.
It has also a rough grade mode system that keeps the blade at the center position and permits the blade tips to dig below the floor. The advanced grade control mode system adjusts the cutting speed of the blade. It has an Auto Carry system, which controls the tractor speed and helps in lifting the load with blade precisely to prevent any sudden track slip. It has a Torqflow transmission system that automatically regulates each clutch engagement power per travel conditions. The electronic hydrostatic steering system helps the dozer machine to drive smoothly on any rough terrain.
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