A-Drive 40:75 Double Worm Reducer


  • Solid aluminum housing
  • 450:1 gear ratio
  • Bronze-on-steel worm gear
  • Permanently lubricated with a specially blended grease
  • Uses all stainless steel fasteners
  • 3,000 lbs. straight lift capacity (w/ 3/4 HP electric motor)
  • 4,000 lbs. straight lift capacity (w/ 1 HP electric motor)
  • Able use with pile mount lifts and overhead lifts (with correct mounting plate)
  • 5 Year Manufacturers' warranty

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A-Drive 40:75 Double Worm Reducer

This reducer gearbox utilizes a double worm drive reducer. The 3,000 and 4,000 pound BH-USA A-Drive boat hoists are equipped with this gearbox. A marine-grade finish is applied to the solid aluminum construction. Bronze-on-steel gears are used in the gearbox, which has a gear ratio of 450:1. Cast aluminum is used for the motor and drive pipe flanges. Throughout the double-worm reducer, stainless steel fasteners are used. To mount the drive pipe on the reducer gearbox, a hardened drive shafts required. They are not included with this gearbox. When the appropriate mounting plate is used, this gearbox can be used on both overhead boat lifts and pile-mounted boat lifts. Hardened output driveshafts are required to attach the direct drive boat hoist to the boat lift drive pipe.

Premenate Lubrication

An exclusively blended grease is permanently lubricated inside the totally enclosed gearbox from the factory. Guaranteed not to leak.

The hardened driveshaft is not included with the reducer gearbox.