COVID-19 Update from
Boat Lifts, Docks, Repairs Parts and Accessories!
NEW Canopy Covers

Magnum Gear Plate 4000 lb Capacity with A.O. Smith 1 HPRD Motor, Switch, GFI Plug, Pulley and Belt-AMS Hefty Hoist 4000 lb Capacity with 1 HPRD Motor

Load Capacity: 4,000

Power Type: AC

Item Type: Lift - Motors

Cover Option
Control Option
Base Model Regular Price: $685.00
Configured Price: $685.00

The Magnum Heavy Hoist 4000 uses a 1 HPRD TENV (56 frame) motor that can be wired with either 120v or 240v. A GFCI protected outlet must be used. This flat plate unit provides a 30" per minute lifting speed standard and uses a standard 2" schedule 40 pipe.



  • 4000 lb Capacity
  • Easy Access Grease Points for easy lubrication
  • Open worm operation to dispense old grease and metal buildup
  • 954 Case hardened bronze worm for extreme torque and capacity
  • 12" Precision Machined Ductile Iron Gear for longevity in the field
  • Heat treated bronze bushing to deflect heat while under load
  • Balanced Zinc pulley to ensure no vibration while under load
  • Belts made by Goodyear with extra band strength
  • Proprietary A.O. Smith sealed motor made exclusively for the boat lift industry
  • 30" vertical feet per minute
  • 1/4" galvanized steel plate standard
  • 14 gauge wire with Weatherproof Switch
  • Made in the USA



  • 1/4" Galvanized Steel Plate, 1/2" Aluminum Plate (no guarantee on deflection) or Stainless Steel Plate
  • Gear Unit
  • Pulley with Belt
  • AOS 1 HPRD Motor
  • Power Switch



  • Motor Cover
  • Gem 2 Motor Remote


Open Gear Flat Plate systems have been around a long time and have been proven to provide extremely low liability along with the ability to maintain wear points preventing surprise failure. This system has latitude to work under various lift conditions, and also adapt as these conditions change over time.



  • 5 year warranty on mechanical parts and 1 year warranty on electrical parts
  • Shipping available worldwide with FedEx or UPS


© 2017

4000 lb capacity open gear flat plate unit with a 1 HPRD motor, a 14 gauge weatherproof wire tight switch in a box, plate, pulley and belt.
SKU: AMS4000
Typically Ships: 2- 5 Business Days
Shipping Method: UPS/FedEx
Product Information
Load Capacity: 4,000
Motor Type: A.O. Smith 1 HPRD TENV 115/230v
Power Type: AC
Optional Accessory: Gem 2 Motor Remote
Plate Size: 12" x 24"
Gear: 12" 96 Tooth
Restocking Fee: Yes
Warranty: Motors and electrical 1 year and steel plates, pulleys and gears are 5 year.
Design: Flat Plate Gear Drive
Item Type: Lift - Motors
You May Also Like These Items

1657 12th Street - Martin, MI 49070

Phone: 866-942-6349

Fax: 866-942-6349