8K Aluminum Four Post Flat-Plate Top Beam Set

$ 5,999.95
UPC: 602573204412
SKU: 15144MS

Currently Unavailable


8K Aluminum Four Post Flat-Plate Top Beam Set

The 8K Aluminum Four Post Flat-Plate Top Beam Set is designed for piling mount boat lifts. The top beams are installed on top of four dock pilings. Features a no-weld design. Includes all stainless steel mounting fasteners. The bronze bearings have 1/4 in. easy-to-reach grease fittings. The top beam is drilled out for a flat-plate hoist to be installed onto a flat-plate hoist. Made of sch. 40 galvanized steel. Measures 12 ft. 6 in. with a 1.5 in. ID. Includes one-direction side-mounted (boat lift style) cable winders.

Does not include bunks, guideposts, or bunk mounting kits.

Beam Capacity Used On Post Amount
4K 6K & 8K 4
5K 9K & 10K 4
10K 12K – 20K 4
12K 20K & 24K 6

Lifting Capacity: 4,000 lbs / Beam
Top Beam Dimensions: 12 ft. 6 in. L x 2 1/2 in. W x 6 in. H
Top Beam Type: Channel
Top Beam Material: 6061-T6 US Aluminum
Drive Pipe Finish: Hot-Dipped Galvanized
Drive Pipe Type: Sch. 40
Beam Weight: 2.212 lbs. / ft.
Pipe Bearings: 4 / Beam
Pipe Bearings Material: Bronze
Bearing Maintenance Grease Fittings
Grease Fitting Size: 1/4 in.
Cable Size: 5/16 in.
Cable Length: 15 ft.
Cable Winders: 2
Cable Winder Style: Side-Mounted (Boat Lift Style)
Cable Winder Type: Single Direction
Cable Winder Fits: 1.5 in. ID Drive Pipe
Drive Pipe Dimensions: 12 ft. 4.5 in. L (1,5 in. ID)
Fasteners Stainless Steel
Cradle Beam Measurements: 6 in. wide x 4 in. flange
Cradle Beam Weight: 58.75 lbs.
Cradle Beam Material: 6061-T6 US aluminum
Sheave Housing Measurements: 6 in. web x 4 in. flange
Sheave Housing Fits: 4 in. flange (I-beam)
Sheave Housing Fasteners: Stainless steel
Sheave Housing Accepts: 4 in. sheave w/ bronze bushing
Sheave Bolt Bore: 3/4 in.
Sheave Housing Material: 6061-T6 US Aluminum
Sheave Mounting Hex Head Bolts: (4) 1/2 in. x 2 1/2 in. stainless steel
Sheave Housing Lock Washers: (4) 1.2 in. stainless steel
Sheave Housing Nuts: (4) 1/2 in. stainless steel
Rated Capacity: 4,000 lbs.
Tested Capacity: Straight line
Gear Plate Dimensions: 2 ft. x 1 ft.
Bull Gear Ratio: 96:1
Back Plate Bearing: Bronze Composite
96 Tooth Gear Material: Cast Iron
Worm Material: Hardened Bronze
Hoist Pulley Size: 10 in.
Hoist Pulley Material: Zinc die-cast
Drive Belt Size: 34 in.
Drive Belt Type: AX-34 cogged belt
Weight: 34-47 lbs.
Warranty: Lifetime
Manufacturer: BH-USA
Model #: 60421
15 Minutes
Dimensions: 9 in. x 11 in. x 6 in.
Weight: 27 lbs.
Catalog #: N/A
Horsepower: 1
Mounting Type: 56 Frame
RPM: 1725
Service Factor: 1.0
Voltage: 115 / 230
Phase: 1
Amps: 7.8
SFtartA: 6.2
Herz: 60
AMB: 40c
Frame: 56
Code: L
Insulation: A
Shaft Diameter 5/8 in.

All boat cradles, cradle beams, and boat lift ship freight. It is the responsibility of the purchaser to unload the freight from the delivery truck. The purchaser must be present during delivery. For more questions, visit our shipping terms and conditions. All BH-USA top beams are individually crated and shipped via motor freight. Items shipped freight are the purchasers’ responsibility to arrange a delivery address that is accessible to the freight company and that a fork truck is available to unload the freight. If a fork truck is not available, the customer will have to unload the crate by hand. BH-USA will request a call from the freight company to the customer to help facilitate the delivery. Missed deliveries can add extra freight charges that will be the purchasers’ responsibility. The purchaser must be present during delivery. For more questions, visit our shipping terms and conditions.

Product Overview

  • No-weld aluminum design
  • Stainless steel fasteners
  • Fits on 4 dock pilings
  • Includes cable winder, cable, and mounting fasteners
  • 1.5 ID galvanized drive pipe
  • Bronze bearings with 1/4 in. easy-to-reach grease fittings