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Adding hydraulics to dump trailer
edited for corrections
KW: Did you know you can save a few bucks by buying direct from the mfg. Bailey Mfg. (865) 588-6010 They make TSC's line and many other retailer's hydraulic products. BTW a welded cylinder costs a lot more than a non-welded, but they take a little more space too.
I couldn't find my Bailey catalog, but they have everything guys like us would need---even parts to build your own cylinder from scratch---up to 24' long!
Prince (hydraulic pump/motor/cylinder/valve mfg.) used to sell overstock and discontinued ones. Give 'em try.
Take $20 for the old one?
Link:
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Adding hydraulics to dump trailer
EW, BaileyHydraulics.com takes me to autoparts.com (?)
I bought it at SurplusCenter so it wasn't that high, $190 after shipping. I'll accept your $20 offer but it will cost $140 to ship  I listed it on the Portland craigslist for $120. Live and learn.
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Adding hydraulics to dump trailer
KW: Sorry. I should have checked the link. I made some corrections to last post with link and phone no. for two co.'s.
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Adding hydraulics to dump trailer
The Bailey website is "Baileynet.com" and their toll free number is 1.800.800.1810
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Adding hydraulics to dump trailer
Ken, I don't know how much weight you plan on dumping, but a 4" x 24' cylinder will make a LOT of push power.
If, for instance, your 4" cylinder has a 2" rod, and the tractor is supplying about 1500psi to the cylinder, it will generate just shy of 10 tons of push power.
I suspect that will more than empty your 1 ton trailer, even taking the geometry and losses into account.
If you give us some of the dimensions we can easily calculate what the minimum cylinder size you need will be.
Best of luck.
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Adding hydraulics to dump trailer
Ken,
Your 4 inch cyl, didn't you recently buy a log splitter? Can you not exchange it for or towards the smaller cyl?
Is the cyl used on dump trucks one way and not powered down? Esp on dump trucks I can see where that could be a problem with the way the load does not clear the bed when dumped.
If the damage done by powering down is if the body or bed is not in alignment, can that vary with the trailer flexing due to ground?
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Adding hydraulics to dump trailer
Thanks, Murf. A 4" cylinder seemed plenty beefy for the trailer size. The trailer measures 80"x40"x18" high. It will be used to haul firewood and wood chips and will probably be piled high at times.
KT, yes the log splitter has a 4" cylinder that is around the same stroke size but it won't work in the trailer either. I don't want to mess with boxing it up and paying to ship it back. It's heavy and shipping is expensive (and I was pounding on the pins with a hammer so they're not in exactly new condition anymore).
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Adding hydraulics to dump trailer
Ken, a box that size is only about 1.25 cu. yards.
Even if you were to fill it to heaping with fresh cut *hardwood* firewood, the load would still only weigh about 1400 pounds. If it was Douglas Fir firewood it would be about 900 pounds, chips, maybe 600 pounds because of the quantity of needles and bark reducing the mass.
I would think you could easily get away with a *much* smaller cylinder.
Best of luck.
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Adding hydraulics to dump trailer
Ken:
Most dump trailers with about a 7000 GVW rating use one 4" diameter cylinder for a payload capacity of 4,500-5,000 lbs. From the size of your trailer it would seem you could go to a lots smaller cylinder size. That is, dependent upon your pumps psi capacity.
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Adding hydraulics to dump trailer
I ordered a 3" cylinder which should fit. Trailer is rated for 2000 lbs so there should be plenty of capacity to spare If the 4" cylinder doesn't sell I'll keep it as a spare for the log splitter. It's about the right size and the welded cylinder in use now has been cut open at least once from the looks of it.
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