... multi-steps,fast,wide,application compact, light. Engine Winch1)Characteristics: wide speed range, multi-steps, fast, wide application ... , reliable, high efficiency, etc.2)Composition: Diesel Engine, Clutch, Transform Gear Box, Brake, Planetary Gear ... by setting/switching Primary Speed Control Handle andSecondary speed Control Handle at different positions:1.Fastest Speed Step and Corresponding Pulling ...