B Series brake winches are of heavy duty construction for longer life. Brake winches have a friction brake which automatically applies a constant, positive holding action throughout raising and lowering operations. The load stays exactly in position anytime motion is stopped. All welded and copper brazed construction for greater strength. Hardened gears throughout. Meets ASAE safety standard S-361-3. Gear cover enclosed braking mechanism. Brake winches require a minimum load for proper operation.