The complete GTR with on-load tap-changer is designed for automatic conversion of diesel torque depending on the resistance on the driving wheels of the bulldozer. The hydraulic converter is placed in one case together with the pump drive reducer (PDR) and is mounted on the wall of the rear axle of the bulldozer frame.
The main working elements of the GTR are impellers: pump wheel, turbine wheel and reactor wheel. The on-load tap-changer is designed to drive the pumps of the transmission control hydraulic system and the hydraulic system of the attachment.
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