The Komatsu D475A-8 crawler dozer has a 254,193-pound operating weight and a 890 horsepower engine. The company reengineered the mainframe of the Komatsu dozer to extend the machine’s lifespan and increase the number of rebuilds or overhauls. There are blade capacities ranging from 35.6 to 58.9 cubic yards available.
The Komatsu D475A-8’s lockup torque converter contributes to shorter cycle times and increased output by effectively transferring power to the driveline. When extended pushes are made feasible by the automated shifting mode, the system might automatically engage the torque converter lockup clutch. The company claims that because all of the engine’s power is sent directly to the transmission, locking up the torque converter produces efficiency levels comparable to a direct drive, boosts ground speed, and uses less fuel.
Joysticks for palm control and ergonomically positioned touch points help to simplify operation. Operator comfort is aided by a rear view monitoring system, a heated, vented, air-suspended seat, and great operator visibility to the ripper shank. The dozer travels across difficult terrain with substantially reduced stress and vibration thanks to the updated undercarriage.
Operators can operate more efficiently by using the blade auto-pitch mode, which aims to increase dozing effectiveness while reducing the amount of operator input required. To significantly reduce blade side wobble, the blade support structure has been totally reworked. The operator’s perspective of the blade is also improved, and there are fewer maintenance spots.
The video below is Komatsu D475A-8 Crawler Dozer World Premiere At Oil Shale Quarry In Esᴛᴏɴɪᴀ:
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