... clutch, hydraulic integrated forced lubricationMain driveSpiral bevel gear, first-stage speed reduction, splash lubricationSteering clutchWet, multi-disc, spring-pressed, ... grouser)Control valveSpoolOperating systemSpeed regulationManual operation, hydraulic power shiftingSteering & brakeHydraulic boostingThrottle controlHand throttle speed up and pedal reductionBlade controlManual, hydraulic servo ...