I have a galvanized trailer which carries a load of trailer and boat of 5800 pounds. Our bunk style pontoon trailers are fully adjustable to fit all known brands of pontoon boats. Thatreduces the tall bed boards requirement. I thought I`d measure the trailer and go off of it,,, haahaa,,, there are 2 sets and the placement of those are not even close to going to work. Some internal measuring of the engine beams overall width and overall inside width. My concern/question - if anyone has any ideas/info - is regarding the spacing of the runners/bunks. We also purchased a lake home with a dock and boat lift. With a few strategically placed I-bolts mounted around the trailer for tie down straps and some necessary decals added for aesthetics the trailer was ready to go! If you move the undercarriage of a, there is a good chance it will be fitted with hydraulic brakes. Chuck,check your local boat dealer that you may be friendly with.my local dealer gave me 2 carpeted (brand new}bunks for free,he has about a half dozen just laying around from the people who bought trailers but wanted to convert them to rollers instead. They prevent sags & bows. i have a few trailer dealers within the area, I can check with them, thanks for that tidbit. You can tear the brake lines if youre not looking to see how much adjustment you have in the lines. Your link has been automatically embedded. Quote; Link to post Share on other sites. Learn how to position the boat on the trailer correctly and you will soon be spending more time in your boat than struggling with your boat trailer. Learn how to position the boat on the trailer correctly and you will soon be spending more time in your boat than struggling with your boat trailer. Most pontoon boats with 8 wide decks usually have 72 bunk centers. How To Identify Boat Trailer Parts & Their Names. I saw no need to submerge the trailer for launching and retrieving a fairly light flat-bottom boat, so I replaced the carpeted bunks with 8-foot 2X4s with bunk slicks on them, plus a couple of rollers at the back to help get the boat started up onto the bunk slicks for reloading. In the not so far past I have bought a 2006 190 ssi and I KNOW these bunk boards are NOT going to work. Stock# 5250019-ORMD Makes trailer bunk boards as slick as rollers. This category contains all the needed components for you to put together your ideal trailer axle kit to get your boat back in the water. $20.95. Think about the lift. Our bunk boards are made from High-Density Polyethylene Plastic with a UV inhibitor added to help resist fading. a minimum of 25mm; although up to 50mm can be accepted for larger boats. Raise the forward end of the bunk until it touches the bottom of the boat and tighten the forward-most bolt. Adjusting our pontoon trailer to fit your pontoon boat. Boat Trailer Leaf Springs come in 3 Different Styles, and each style has different lengths, we carry Leaf Springs to accommodate any brand or size of boat trailer out their with different amount of leafs and carrying capacities When you first get the boat on the trailer and you are pushing the roller packs up for the first time, you should be able to see if the rollers clear the strakes. With the boat off the trailer, I measured the trailer bunk spacing (both width and vertical space below), then tried to duplicate that with the lift. They WILL WILL allow gettingRIGHT over the engine bunk boards EVERY TIME. I ended up with spacing to be about nine and a half inches apart on center for both sets of bunks and the hull of the kayaks cradled them perfectly.