... gear pair by 50%. Transmission efficiency increases by 10%, and the transmission is stable, with convenient operation ... on the truck, the bolt of mechanical capability 10.9 grades (GB5782-86) is required to fasten, ... 25 um,ensuring the tidiness of the system.9. The complete combination of the clutch must ... away from clutch while draging the heavy things.10.This winch is not designed for manned lifting, ...