20K Aluminum Four Post A-Drive Top Beam Set

5K Aluminum Four Post Top Beam

$1,160.25 - $1,360.25
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5K Aluminum Four Post Top Beam

The 5K Aluminum Four Post Top Beam mounts to the top of two dock pilings per top beam. Made from 6061-T6 US aluminum. The top beam measures 12 foot 6 inches. The drive pipe measures 11 ft. 11 1/2 in. x 1 1/2 in. inner diameter. The drive pipe is made from schedule 40 galvanized steel. The drive pipe is drilled out for a hoist to fit. The bronze bearings have 1/4 in. easy-to-reach grease fittings. Includes all stainless steel mounting fasteners.

Includes

Top Beam – 6 in. x 2 1/2 in. x .17/.29 x 12 1/2 ft.
33 ft. 5/16 in. boat lift Cable
Single direction 1 1/2 in. ID cable winder
Aluminum bearing blocks w/ bronze flange bushing

Hoists, pile mount brackets, side mount brackets, and hoist mount brackets are not included.
Single Beam Capacity Dual Beam Capacity Minimum Piling Requirements Boat Lift Usage
4,000 lbs. (4K) 8,000 lbs. (8K) 4 6,000 lbs. (6K) – 8,000 lbs. (8K)
5,000 lbs. (5K) 10,000 lbs. (10K) 4 9,000 lbs. (9K) – 10,000 lbs. (10K)
10,000 lbs. (10K) 20,000 lbs. (20K) 4 12,000 lbs. (12K) – 20,000 lbs. (20K)
 12,000 lbs. (12K) 24,000 lbs. (24K) 6 20,000 lbs. (20K) – 24,000 lbs. (24K)
Specifications

Top Beam Specifications
Length: 12 1/2 ft. Designation:: 2.834 wt./in. ft.
Width: 2 1/4 in. Beam Type: Channel
Height: 6 in. Lifting Capacity: 5,000 lbs. / beam
Material: Aluminum Material Type: 6061-T6
Drive Pipe Specifications
Length: 12 ft. 4 1/2 in. Finish: Hot-dipped galvanized
Diameter: 1.5 in. (ID) Type: Sch. 40
Aluminum Bearing Block Specifications
Length: 4 7/8 in. Material: Aluminum 
Width: 1 1/2 in.  Type: 6061-T6
Height: 5 3/4 in.  Weight: 2.4 lbs.
Bushing Type: Bronze Flange Bushing Flange Bore: 1 7/8 in,
Bearing Surface: 1 5/8 in. Maintenance: Grease-able
Mounting Hole Amount: 3 Grease Fitting Amount: 1
Mounting Hole Size: 9/26 in. Grease Fitting Size: 1/4 in.
Cable Specifications
Length: 33 ft. Material: Stainless Steel
Diameter: 5/16 in. Designation: Aircraft Cable
Min. Breaking Strength: 9,000 lbs. Type: 7 x 19
Cable Winder Amount: 2 Winder Type: Single Direction
Fits: 1.5 ID Drive Pipe Winder Style: Side Mount (Boat Lift Style)
Fastener Material: Stainless Steel Fastener Size: 1/2 in. & 5/16 in.

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

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