How Many Bolts are Required to Install the Dutton-Lainson Roller Bunks # DL21741

Question

Question:

How many bolts or screws are needed to hold down each section I am using a 5foot and a 4foot on each side for an 18foot boat approx. 2400#

asked by: Al

0

Expert Reply:

A minimum of two bolts will need to be used to install each Dutton-Lainson Roller bunk part # DL21741. You can also use the Roller Bunk Brackets # DL21742 to install the bunks. A pair of these are required to install each bunk.

expert reply by: Jameson C

0

Answer 1

If you do not want to mount the Dutton-Lainson Boat Trailer Deluxe Roller Bunk #DL21741 to the bunk boards, there are brackets that can be used. - Boat Trailer Roller Bunk Bracket for Dutton-Lainson Roller Bunks #DL21742 (4 needed to mount a pair of…

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Answer 2

The roller bunks #DL21740 and #DL21742 do not include the mounting hardware. You will want to use corrosion resistant hardware such as galvanized or stainless steel fasteners, since it is for a marine application. The hardware is not included because…

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Answer 3

I pulled a Boat Trailer Roller Bunk Bracket #DL21742 from our warehouse to get the dimensions for you. The overall length is 10-3/8 inches, the length minus the top bracket would be 10-1/16 inches. The height of the main bracket is 7/8 of an inch and…

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Answer 4

The Dutton-Lainson Roller Bunk Bracket, part #DL21742, fits Dutton-Lainson Roller Bunks #DL21740 and DL21741. Four are needed to mount a pair of roller bunks. My contact at Dutton-Lainson advises that u-bolts are not specifically required to install…

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Answer 5

For an 11 foot long bunks, using 2 sets of the Dutton-Lainson roller bunks, #DL21741, would work well. The capacity for a set is 3,000 pounds so a 2,000 pound boat should not be an issue. You can use your own hardware to secure the rollers to your…

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Answer 6

You want to locate the rollers on the frame of your trailer so that they overhang slightly off the back of the trailer so that the boat will contact them before any other portion of the trailer as you load it onto the trailer. I attached a picture…

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Answer 7

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 8

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

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Answer 9

To find the load capacity for your axle you should look on the trailer VIN plate or sticker that lists the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that…

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Answer 10

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 11

Load range B trailer tires are going to have a lower capacity than C load range tires. Basically that, psi rating, and the ply rating are the only differences. A higher load range tire would last a little longer than lower load ranges of the same…

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Answer 12

To determine the size of the hub assembly you need to purchase you have to determine which bearings are in the old assembly. If the old assembly has L44649 inner bearings, you would use the hub you chose #8-258-5UC1. If the inner bearings are marked…

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