8K Aluminum Four Post Flat-Plate Top Beam Set
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 |
Specifications
| 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 |
| SKU: | 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 |
| HSG: | TENV |
| 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
