Where to Position the Trailer Axle?

Is there a rule of thumb regarding the distance the axle may be moved based on overall trailer length? I'm dealing with a 1500 lb trailer for 16' boat. There are very few things I can do to get to 10-15% tongue without moving the axle 12-20 inches forward.

Wouldn’t a person need the weight of the boat included in the weight number?

Would it be possible to locate a set of tandems at the rearmost part of a single wide snowmobile trailer? Pro’s/Con’s?

Not sure why weight below trailer makes a difference? If my wheels were 10,000 lbs or 200 lbs my tongue weight would be the same. Am I missing something?

I have a small trailer 5'x6' to load a 600 lbs ATV, do I need to modify it ot it's fine. I am intending to go in a long ride. I just want to stay safe.

I have a trailer frame that fits a 24’ pontoon boat and I have 2 axles with slipper springs and slides that I need to attach to the trailer. How far from the back end of the trailer should I position the rear axle and how much distance should there be between the the front and rear axle? I’m aware that final positioning will be determined by GVWR and mass weight balancing but I need a starting point due to the nature of pontoon boats being heavily weighted in the rear. Is there an industry standard that can be used to for a starting point?

The article says to know the total weight of the trailer. How do I know this when I am just starting to build and have no idea what it will weight? I also have a trailer that I know the wheels are too far back and want to move them forward to the 60/40 rule. How do I know how much the tongue weight I have or want? Thanks for any help.

I have a dual axel enclosed trailer that I have loaded a small pickup, and the rest of my apartment items. before heading out on a long trip, I want to make sure that I have the most ideal weight distribution, or as close to it, as the trailer is already packed up. The total weight of the truck in the trailer is 4400 per the sticker. I pulled the truck into the trailer, with the rear wheels over the center of the axles. After loading the majority of my stuff (minus washer and dryer, I have about 6 feet of empty space behind the truck, leaving little weight on the rear of the trailer. I tried to keep heavier items loaded on the side of the truck, and loaded the bed with stuff, to maximize space. I have a lot of squat on my truck, which I expected to have, but should I move the load a little more to the rear, to take weight off of the tongue, and possibly raise the tongue a little, so as not to have as much squat? Any guidance to help me to this trailer safely would be greatly appreciated.

How about for 5th wheel trailer? Is there any changes sir.

What about for tri-axle boat trailers where do I measure to? I've also read that boat trailers only need to be 5 to 7 percent on the tongue weight?

What I want to find out is, Is there a kit that you can raise the height of my alum, car hauler which it is equip with a torsion spring instead of a leaf spring. Modifying it will be expensive specially the labor costs. It’s low that pulling it with my RV.loaded,sometimes it scrapes the pavements when it’s hilly and uneven ground.

How do you determine the weight of a trailer with out taking it to a scale? I purchased a home made trailer that has been damaged and needs new axels. The current axel is only 8 inches past the center line.

Confused. Build tandem 16' utility trailer. Need position for center equalizer. Total wt 1500#, wheel wt 1200#. Tongue wt 300#. Distance tongue to old hanger 165 inches. I got ,move forward 16.5" so 149" to tip of tongue. Currently it's just a frame to weigh no decking.

Just a little confused. if front of trailer to ball is 40 inches and bed length is 100 inches and axile is 3500 pound capacity. where is axile from ball?