Gear change, clutch (lift and lower), interlock, throttle, secondary disk brake. Note: automatic brake disengaged when powering down.
Diesel Engine with chain drive. Four speed gear box integral synchronous clutch, automatic sprag brake, final drive via pinion and ring gear on rope drum
Primary brake sprag spring applied on, clutch released when powering down. Secondary disc brake manually operated for additional load holding. Fold down spade anchors and fold away props