A-Drive 40:75 Double Worm Reducer Gearbox

1 review
  • 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

$583.05

122 in stock (can be backordered)

About this Item

  • 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

A-Drive 40:75 Double Worm Reducer Gearbox

The A-Drive 40:75 Double Worm Reducer Gearbox is a direct-drive gearbox with a double-worm gear reducer. Features a solid aluminum gearbox housing with a marine-grade finish. 450:1 gear ratio. Adding a 3/4 HP electric motor gives it a 3,000 lb. lift capacity. Adding a 1 HP electric motor gives it a 4,000 lb. lift capacity. Includes bronze-on-steel gears. Enclosed gears permanently lubricated with BH-USA gear grease. Guaranteed not to leak. Includes output shaft with a strong cast flange mount. Uses all stainless steel fasteners. Coupled with the correct mounting plate, the gearbox works on both overhead boat lifts and pile mount boat lifts. 5-year warranty.

The gearbox requires a hardened output driveshaft to attach the direct drive boat hoist to the boat lift drive pipe. (sold separately)

BH-USA A-Drive Direct Drive Boat Hoists

Hoist Capacity A-Drive Direct Drive Gearbox
Boat Lift Motor
3,000 lbs. 40:75 Double Worm Reducer Elite 3/4 HP Stainless Steel C-Face Motor
4,000 lbs. 40:75 Double Worm Reducer Elite 1 HP Painted C-Face Motor
4,000 lbs. 40:75 Double Worm Reducer Elite 1 HP Stainless Steel C-Face Motor
7,000 lbs. 40:90 Double Worm Reducer Elite 1 1/2 HP Stainless Steel C-Face Motor

Specifications

Gearbox Type: Double worm reduction, fully enclosed)
Gearbox Weight: 28.35 lbs.
Warranty: 5 years
Gear Type: 40:75 configuration
Actual Ratio: 450:1
Case Material: Cast Aluminum
Lubrication: Specially blended gear grease
Lubrication Application: Maintenance-free
Motor Flange to Driveshaft Flange Offset: 1.22 in.
Overall Dimensions: 11.16 in. L x 7.21 in. W x 13.23 in. H
Output Shaft Size: 1 1/4 in.
Input Motor Shaft Size: 5/8 in.
Motor Shaft to Drive Pipe Shaft: 6.59 in. 
Drive Pipe Mounting Bolt Size: (4) 1/2 in.
Drive Pipe Bolt Mount Hole to Bolt Mount Hole: 4.59 in.
Drive Pipe  Gearbox Dimensions: 8.07 in. L x 5.04 in. W x 6.77 H
Motor Mounting Type: NEMA 56C
Motor Mounting Bolt Size: (4) 3/8 in.
Motor Bolt Mount Hole to Bolt Mount Hole: 4.15 in.
Motor Gearbox Dimensions: 4.78 L x 3.94 in. W x 3.37 in. H
3/4 HP Motor A-Drive Output Torque: 3,699  in./lbs.
1 HP Motor A-Drive Output Torque: 4,932  in./lbs.
Manufacturer: BH-USA
UPC #: 091037047762
SKU #: BH04776

Tech Guides

A-Drive Direct Drive Boat Hoist Guide

Reviews

1 review for A-Drive 40:75 Double Worm Reducer Gearbox

Rated 5 Out of 5

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  1. Bolted right up and they run very quiet.

    Joe P

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