B Series Brake Winches are heavy duty built for longer life. Brake Winches have a friction brake that automatically applies a constant, positive holding action throughout raising and lowering operations. The load remains exactly in position whenever motion is stopped. Copper-welded and brazed construction for strength. Hardened gears throughout. Meets ASAE S-361-3 safety standard. Enclosed gear cover braking mechanism. Brake Winches require minimal loading for proper operation.