... , single phaseb) Transmission: planetary gear, multiple-disc clutch, hydraulic actuated, forced lubrication by gear pump, 3 forward speeds and ... 3 reverse speedsc) Bevel gear: helical bevel gear, splash lubricatedd) Steering clutch: wet, multiple ... hydraulic booster and hydraulic interlockingf) Final drive: spur gear, double reduction, splash lubrication6) Hydraulic system of work ...