Tie Down Engineering
4' Boat Roller Bunks, Galvanized - Tie Down Engineering
(2 count)
Price: $120.53
Save: $47.46
(28% Off $167.99)
Part # 86117
This item is found in the following Product Families
  • Replace bunk boards with these non-marking roller bunks.
  • Heavy duty galvanized steel frame provides full hull support.
  • Bunk kits do not include mounting hardware, use part number 81210.
  • Roller bunks can be adjusted vertically with optional bolster support swivel brackets, use parts numbers 81215, 81220, 86160
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by David from Tonawanda, New York on April 09, 2016
Great product
(1 of 1 people found this review helpful)
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So if I used 4 total 4 foot rollers would that give me 2400 pound capacity ?
If you are distributing weight evenly yes. It is 1200 lbs over the pair of rollers.

How many bolster support swivel brackets (model numbers 81215, 81220, 86160) and mounting hardware (model 81210) do the 4' and 5' roller kits require?
81210 comes in pairs. It takes 2 pairs for each bunk.

Where do you find the weight of a 21 ft reinell sunbridge 265 hp volvo 1975?
You will need refer to manufacturer or manual. You can also use our database to see if unofficial information may provide some guidance: http://boatspecs.iboats.com/

Is the weight capicaty listed per roller or total boat weight on two rollers?
The weight capacity is determined primarily by the total boat weight on the two rollers.

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