... -adjustable hydraulic coupling reverse-gear reducerProduct usage: used together with 140, 190, 260, 320 and other series diesel ... control and regulation to realize the adjustment of speed. With advantages of on-load startup, overload protection, torsional ... etc; oil-extended adjusting centrifugal turbine torque converter series products with working chambers diameter of 480, 550, 650, 750, 830, ...