Trailer springs

dhermesc

Well-known Member
I called a guy about trailer he has advertised - typical home made job using trailer house axles(?) with no brakes. He said something about them being "military" axles. He also said he has carried several cars with it - I am looking at using it to haul hay - probably around 80 small square bales at a time. His pictures included one of the springs - I was surprised to see they were a single leaf instead of a stack of 4 or 5. Are some trailer house axles single leaf springs?
 
One leaf springs are normally mobile home axles. They only deal with one weight (loaded), unlike a utility trailer that will be either empty or fully loaded. They make for a rough riding trailer when running empty.

Built a 16' tandem axle trailer with these one-leaf springs. In time, replace them with multi-leaf springs for the empty trailer reason.

Pete
 
I agree with previous post that trailer-house springs aren't ideal for general use. I've built several trailers and much prefer multi leaf for a better ride overall. As an aside, please be cautious about a large trailer without brakes. Many states require brakes on trailers over a certain weight or axle configuration. Using one that the law says should have brakes could be legal hell to pay if it were to be involved in an accident.
 
They are 3,000lb springs making a 6k axle. Yes they ride rough and those double eye suspensions, especially that heavy, don't last long and are hard on tires. If all your going to do is haul a few loads of hay a year it will be fine.
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I built an 18.5 foot trailer with two mobile home axles with brakes. I've hauled a lot of stuff on it, mostly vehicles, and I think the first time the springs flexed was when I hauled a 3/4 ton 4X4.
 
I have a trailer made from old mobile home axles and single-leaf springs. Been using it for 40 years now and never had a problem with many loads carried at 8000 lbs. Never went much heavier. Lost my spare wheel somewhere this spring and could not find an exact 14.5" replacement so I got a 15" Jeep wheel and cut the center-hole out a little to fit.
 
With only 80 bales the loads will be limited to 4000 (+ -) pounds of weight + weight of the trailer. I usually have a load of 30-40 bales on the pickup so it has the weight to stop the trailer.
 
Many states require brakes on highway trailers over 3000 pounds, check if that trailer will be legal in your state. That trailer sounds a bit like a glorified hay rack only with the disadvantage that it must be registered. I'd pass on that one unless the price is less than the cost of a hay rack.
 
All the old single wide trailers I've seen are one leaf. BYW, I haven't seen a single wide in Indiana for a long time.
 
I put a load of hay on it with SMV sign and I'm not going to worry about registering it any more than I would worry about registering a hay wagon. Without the load of hay the trailer weighs less than 2000 pounds and no tag is needed.
 

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