20,000 lb. Aluminum Pontoon Boat Cradle
The 20,000 lb. Aluminum Pontoon Boat Cradle, built to support pontoon boats up to 20,000 lbs. Crafted from marine-grade 6061-T6 US aluminum, it’s sturdy and weld-free. Choose between aluminum bunks or wood bunks, with stainless steel fasteners used throughout.
The 10 in. Aluminum Cradle Beam is an aluminum I-beam with sheave housings on the ends, accommodating 4 in. aluminum sheaves with a bronze bushing. Made from marine-grade 6061-T6 US aluminum, it’s durable and available in lengths of either 14 ft. or 16 ft.
Our 8 in. Aluminum Cradle Bunk mounts securely to the aluminum cradle beam, featuring a black rubber top resistant to marking the boat’s hull when docking. Made from marine-grade 6061-T6 US aluminum, it eliminates worries about rusting or wood bunk rot.
For easy installation, the Aluminum Cradle Bunk Mounting Kit is included, along with the Aluminum Guidepost Stanchion Kit. These kits are made from strong aluminum and include stainless steel fasteners.
The Boat Cradle Guideposts, made of durable PVC, provide help to safely and accurately dock your boat. They come with a top cap featuring a drainage hole for water flow.
To enhance visibility and protect your boat, the 36-inch Solid Guidepost Bumper are included, made from durable nylon with a foam insert.
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.
Drilling into the aluminum structural beam compromises the integrity of the aluminum structural beam.
Specifications
Cradle Beams
Material: | Aluminum | Type: | 6061-T6 US |
Style: | Marine-grade extruded | Beam Type: | Structural |
Web Size (A): | 10 in. | Flange Size (B): | 6 in. |
Web Thickness (C): | .250 in. | Flange Thickness: | .410 in. |
Beam Wt./Lin Ft.: | 8.646 lbs. (per ft.) | Shipment Type: | Loose freight / Local pickup |
Sheave Housing Dimensions: | 10 in. web x 6 in. flange | Accepts: | 4 in. aluminum sheave |
Material: | Aluminum | Sheave Bolt Bore: | 3/4 in. |
Fasteners Material: | 316 stainless steel | Bolt Type: | Hex Head |
Bolt Amount: | 4 | Bolt Size: | 1/2 in. x 2 1/2 in. |
Washer Type: | Lock | Washer Amount: | 4 |
Washer Size: | 1/2 in. | Nut Amount: | 4 |
Nut Size: | 1/2 in. |
Guidepost Stanchion
Aluminum Guidepost Stanchion Size: | 10 in. | Dimensions: | 28 in. L x 1 15/16 in. |
Inner Diameter: | 1 3/16 in. | Material: | Aluminum |
Thickness: | 3/8 in. | Accepts: | 2 in. ID PVC pipe |
Backup Plate
Backup Plate Dimensions: | 14 in. L x 2 in. (per flange) | Mounting Holes: | 2 (through the pipe) |
Hole Size: | 9/16 in. | Measurement Between Holes: | 11 in. (center-to-center) |
Bolt Type: | Hex head | Bolt Material: | Stainless steel |
Bolt Size: | 1/2 in. x 6 in. | Washer Type: | Lock |
Washer Material: | Stainless steel | Washer Size: | 1/2 in. |
Nut Material: | Stainless steel | Nut Size: | 1/2 in. |
Cradle Bunks
Cradle Bunk Material: | Aluminum | Bunk Material Style: : | 6061-T6 US |
Bunk Type: | Cradle | Length: | 12 ft. L x 8 in. H (Aluminum Bunks) |
Padding Material: | Rubber | Padding Design: | Non-marking |
Padding Color: | Black | Bunk Height: | 8 in. |
Bunk Angle: | 19 degrees | 8 in. Cradle Bunk Weight: | 2.898 lbs. / linear ft. |
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.
Aluminum cradles could become buoyant if wood bunks are added. To offset any buoyancy, engineered lifts with wood bunks (15001,15002,15006 and 15007) come with 4 x 10 lb cradle weights. Extra weights can be purchased separately.
Drilling into the aluminum structural beam compromises the integrity of the aluminum structural beam.
Product Overview
- Designed for pontoon boats up to 20,000 lbs.
- Made from marine-grade 6061-T6 US aluminum
- Features a no weld design
- Includes all stainless steel fasteners
- Includes stanchions, guideposts, and guidepost bumpers
- Comes with either aluminum bunks or a wood bunk mounting kit
- Wood bunks not included