I have a triple axle belshe backhoe trailer. It has three 7k axles, 21k GVWR and Pintle hitch. No issues with it so far but haven't pulled it a lot. I would have preferred a tandem dual but I got a good deal on it.
I'm not a weight **** and opposed to being overweight on occasion, but I'm also not banking on 25% tongue weight. 14 -4 for trailer weight equals 10 then maybe 10-15 percent tongue weight plus extra buckets, fuel tank, tree saw brush cutter etc. Of course I can get by with 8k axles, but the dilemma is 8k axles for $9,000 plus or tri 7's for $7,000. I want a tilt in the 20' range for quick loading and getting into farm drives that are tight for the long goosenecks. The other dilemma is 78" track widths on my machines.I don't think you need a triaxle is what I'm saying. If you can carry the correct tongue weight a 14k trailer should be enough although it would be right at the edge. If you can get by with 8k axles, why would you want another axle unless the price was worth it?
Anyone have any PERSONAL experience with them? Not looking to hear what you've heard from so and so.
Here's the deal, I need to haul a mini excavator that weighs 12k. With a 14k trailer weighing 4k I'm only at 10k gw.
I have heavier goosenecks, but I want a 16+6 tilt so it's shorter and easier to haul to certain spots than a 32' gooseneck. No one really makes a trailer like that with 8k axles aka 16k gvw. Most want to jump to 3 7k axles. I noticed PJ used to offer the 8k, but not longer do and only offer the 3 7's now.
I'm hesitant about a tri axle bc of rumors of tire scrub and wear, but I've never talked to someone that actually has one, it's all just rumors.
It is what the trailer is tagged at. If it's tagged at 14k then you subtract the weight of the trailer which is 4k so you can "legally" haul 10k is my understanding. Yes the 8k axles are tagged at 17k, but they are tagged at that. The 7k axles are tagged at 14k. Unless I'm missing something?Here is a company that makes a 17,000gvwr 16' pintle trailer with 8k axles.
Heavy Duty Flatbed Trailer Manufacturer - F Series - Moritz Trailers
I also don't think you are quite looking at the math right. Many manufacturers play games with their trailer ratings. If you have dual 7k axles and a 14k trailer, you have to calculate the tongue weight as a percentage of the 14k, and then ADD it on. If you look at that moritz, they are already assuming atleast 1k on the tongue if you go with the 8k axles because they state it's a 17,000 GVWR trailer.
It is what the trailer is tagged at. If it's tagged at 14k then you subtract the weight of the trailer which is 4k so you can "legally" haul 10k is my understanding. Yes the 8k axles are tagged at 17k, but they are tagged at that. The 7k axles are tagged at 14k. Unless I'm missing something?
Still seems awful silly to buy a brand new trailer to max it out. 14,000 x .10 tongue weight is 1,400. 15% is 2100 Most say 10-15% tongue weight. so 11,400 or 12,100 for a machine that weighs 12k without any accessories.Ok let's look at it this way. If you take 14k-4k to get a 10k payload, are the 7k axles actually carrying 7k? I say no, Unless you have 0lbs tongue weight which we all know is not a good situation to be in.

Still seems awful silly to buy a brand new trailer to max it out. 14,000 x .10 tongue weight is 1,400. 15% is 2100 Most say 10-15% tongue weight. so 11,400 or 12,100 for a machine that weighs 12k without any accessories.
I have 24k goosenecks now that will do it easily. I want a compact shorter lower trailer for quick trips from farm to farm that are able to turn into smaller drives on narrow roads. Hauling the mini from one farm to another or hauling the track loader real quick to different fields to do work in. It would be great to pull the track loader up on a tilt trailer to run it down the road without chaining to gather bales and load inlines quickly.
Even the low pro deckovers set high plus the ones I have are all 32-40'. Hauling 10 to 12,000 pound machines with air bags and 3500 and 450 dually trucks is hardly overloaded.What is the issue with a deck over trailer? Seeing no one come up with a low cost, light weight lift axle setup to make a tri-axle trailer "acceptable" in a tight squeeze, somewhere along the line you are going to have to compromise?
FWIW, in my humble opinion, depending on tongue weight as some have suggested, to haul heavier is compromising the safety of others but to each there own just don't take out one of me or mine.