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Hi there ,has anyone out there converted a highway dump trailer to be pulled behind a farm tractor , I'm guessing I need a Joe dog converter dolly , and a pto pump to provide enough hydraulic fluid to lift the dump , the dump is the lead pup off a trains unit about 20ft long , anyone attempt this?
thanx in advance for any comments , also how much did this cost for pump / converter dolly , will I need a single or tandem dolly
appreciate any input
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| good dolly prob 2k |
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Chilliwack BC | We've got a 20'. Ours came with a dolly as it was pulled behind dump trucks.
I put a prince PTO pump on it. eBay has them listed at <$500. A brand hydraulic valve controls the oil flow.
http://www.brand-hyd.com/dc/dc.htm
We had the valve lying around so I don't know price. A hydraulic cylinder on the valve handle lets us control it from the cab. I spent more on hoses than anything else. Works great.
Edited by Plow79 12/28/2013 16:23
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Western Ky. | Local guy pulls a 32foot one like that with a 4455. I am not sure what he does about air pressure for brakes, but he uses the tractor hydrulics for the trailer lift. He said he over fills the tractor hydrulics by 5 gallons and it works well for him.
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Middlesex County, Ontario | Should be able to cut the rear off and turn it into a dolly? |
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| yea I thought of cutting the rear and using for a dolly , glad you mentioned that sometimes I feel crazy like im the only one who thinks of these things , however im no welder and finding a long tongue and paying for weld would cost just as much plus im wondering with our wet falls maybe more axles aren't such a bad thing even if it is over kill |
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| thanx for your replies I find your takes very helpful , do you think a single axle dolly would be enough to satisfy the weight of this trailer, also if I just add extra hydrolic fluid to the tractor and use the tractor a 100 hp case ih , will this be hard on the unit. I plan to have the brakes free either by adding compressed air or caging spring brakes, I thought of just removing the brake components could this be done , I don't have a lot of money , this time of year ,as I know most of us don't ,when paying inputs in advance , thanks for all your replies ! |
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Middlesex County, Ontario | You can cage a maxi. You just slip a bolt with a special T head into the pod, turn it 90 degrees, tighten a nut onto it and it will release the spring. Sometimes the pod has the cage bolt stored on the side of it somewhere. I don't think they'd be more than $5/piece at a truck place.
Your tractor probably holds about 15 gallons of hydraulic oil. End dump ram probably holds 40 gallons of oil. A wet kit on a semi usually has a 50 gallon tank. End dump ram will also only be rated to 1800 psi or so. I think you are going to need a pto pump with a separate reservoir.
I`d build the pump and reservoir onto the dolly so you have a dolly with a wet kit that you can use on any end dump or walking floor or whatever. |
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| thanx that puts some things in perspective for me , I thought the wet kit would be needed, I found a tandem dolly for 2500 dollars and another with a wet kit for 5000 dollars already installed , the dolly is well built but I duno coming into more money now , not sure if that equipment is worth it maybe I should just be looking at a gravity dump like my neighbours have around here , I appreciate your insight , im not sure what is the best route but gravity wagons and now tires in Ontario are becoming something unaffordable for what they do |
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Wi | Chris 924 on here pulls them with his Fendt's, cant remember if he uses the Fendt's air brakes to run the brakes or if he doesn't use them at all.
For the wet kit just find an old semi fuel tank, then find some form of pump either a true PTO pump or you could find one off a truck and run your PTO shaft to that.
Heres one rated at 23gpm and 1000rpm
http://www.northerntool.com/shop/tools/product_200329704_200329704
Force America has a lot of info on this stuff also. |
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S.E. Iowa | My spray guy got pulled over this spring on the way to my place. The DOT guy let him drive it to my place and then gave him the citations. I asked the DOT guy about building a bale trailer and licensing it. He said if it is a specific purpose ag trailer I would not need to license it as an implement of husbandry. He also said if I were use adapt something it would still have to be licence or at least subject to the weight issues. I took that to mean I could not use a flatbed trailer hauling bales or in your case grain and be over weight on axles. I am sure if I talked to a different guy the story would change or at least evolve to whatever generates the most in citation revenue. You might be aware there could be issues. FWIW |
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| From what I remember, he has air on the tractor so he has full braking on the trailers. IIRC, he was swinging the full train with the Fendt... Think he was using the tractor's hydraulics too.
Rod |
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| The scope on that trailer is probably not so large where it's only a 20' trailer. Probably take in the range of 15 gal of oil. I know the M130 requires 9 gal. That's probably about a M160 or so. Just the same... that's cutting it close on your tractor's hydraulic capacity. Probably best to build a wetline into the dolly. Single axle dolly should be fine. Might want to rig up some kind of air supply too or else rig some small hydraulic cylinders to activate the brakes on the trailer. No way I'd want a 20' trailer like that behind a 100 hp tractor around here with no brakes. It's on thing to take 15 ton on a fully trailed rig that's giving you drawbar weight; quite another where it's all on the trailer and dolly. Get your dolly set so it bears down heavy on the tractor as well...
Rod |
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Middlesex County, Ontario | Behind a truck you can pull a trailer, meaning plates, axle laws, etc.
Or behind a truck you can pull a farm wagon/implement. A farm wagon can be a hwy trailer if the trailer has been modified for farm use only.
Behind a tractor you are automatically ok.
A trailer, whether plated or not, is an implement when towed by a tractor or self propelled implement of husbandry.
http://www.mto.gov.on.ca/english/pubs/farm-guide/part2e.shtml |
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MN | I haven't found a statute for MN, but a few years back the DOT was nailing farmers and construction guys for pulling trailers behind tractors. |
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Warburg, AB | I've seen dolly/converters/joe dogs that had the maxipots removed and a small hydraulic cylinder put in its place. Pretty straight forward.
Bruce |
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| yea I was a little shady on the laws about it , sometimes the neighbours do it but that don't always mean its legal ... like them talking about banning wood stoves , this is still the cold north right , thanx for your input I believe I will buy this trailer and do some work with it brakes hydraulics etc. |
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| Ive heard a couple guys mention the tractor hydraulics did the job of lifting their dump trailer , do you think my case ih 5240 could lift the trailer in the picture, the hydraulics are dual remotes with 20 gpm pump , I cant find the reservoir capacity , but could I just add to the existing hydraulics tank or would that be possible I think someone said 15 gal tank on my tractor ,but most dump trailers have a 50 gal is that needed, any thoughts ? , im beginning to think I can use this trailer thanks to your posts. Some days I feel more like a mechanic than a farmer guess that wont change with the price of stuff
cheers.. |
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Wi | farmer82 - 12/28/2013 17:45 My spray guy got pulled over this spring on the way to my place. The DOT guy let him drive it to my place and then gave him the citations. I asked the DOT guy about building a bale trailer and licensing it. He said if it is a specific purpose ag trailer I would not need to license it as an implement of husbandry. He also said if I were use adapt something it would still have to be licence or at least subject to the weight issues. I took that to mean I could not use a flatbed trailer hauling bales or in your case grain and be over weight on axles. I am sure if I talked to a different guy the story would change or at least evolve to whatever generates the most in citation revenue. You might be aware there could be issues. FWIW
Don't think it'd be a huge issue on a trailer but that is the way they are about trucks with dump bodies around here. It can be used for something not related to husbandry. For trailers we just licence them, there is absolutely no reason I want to risk the hassle of being pulled over due to a one time fee of $160 for a heavy farm trailer.
You could use flat racks to haul bales and be fine as they can't be used for anything else really.
RodInNS - 12/28/2013 17:48 From what I remember, he has air on the tractor so he has full braking on the trailers. IIRC, he was swinging the full train with the Fendt... Think he was using the tractor's hydraulics too. Rod
I know he has air but I think he said he pulled them without brakes with no issues in the last thread about these. |
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Nova Scotia | jimmycpet - 12/28/2013 15:34
Hi there ,has anyone out there converted a highway dump trailer to be pulled behind a farm tractor , I'm guessing I need a Joe dog converter dolly , and a pto pump to provide enough hydraulic fluid to lift the dump , the dump is the lead pup off a trains unit about 20ft long , anyone attempt this?
thanx in advance for any comments , also how much did this cost for pump / converter dolly , will I need a single or tandem dolly
appreciate any input
i run three now , all set up on air with air supply by tractor ( we ordered tractors with this option as we replaced fleet) but when i geared up first trailer we ran it on 7820 JD with no brakes , put 20 ton loads on it, you had to mind your stops , but got along fine, we just backed off brakes so it free rolled.
dolly , we find old single axle trucks , cut them off behind cab , you want at least 15 ft of frame, use large steel tube for reach pole , the proper tounge weight is important so that you have enough weight on rear tires of tractor so they stop you , not slide and be pushed , yet not to much so that you feel that the front of the tractor is light for steering. the first one i built i put a sliding fifth wheel on so i could fine tune where i wanted it , i have found that you want the king pin of the trailer to be 28 inch's in front of the center of the axle, this will give you roughly 3 ton on drawbar and 7 ton on single axle, ( assuming 20 ton load) with other half of load on rear axles
there is not enough oil in tractor to put hoist up , maybe short 21 ft dumper but not anything over 25 ft, my first one i made thing to go on 3pt to hold old truck pump and valve but found that having 3 lines from trailer to run hoist was a mess with the double turning pivot of the dolly, ( hydro resivor has to be mounted on the trailer somewhere) so on the next 3 trailers i have setup i took an 8 inch by 8 inch steel tube 1 ft long , put a 30 hp hydro motor on one side turning a universal truck pump valve combo on the other side , ( made little power pack) which i mounted on trailer by the hydro resivior , now all i have is 2 nice small hydro lines to run hydro motor , ( normal tractor hydro lines) this is much cleaner, you put the tractor in continious flow then get out and run valve to unload grain .
i can take a bunch of pics tomorrow if you would like , to give you some idea's , just let me know. |
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| Hey chris 924 , yea I think your my new hero , sounds like you have quite a set up , I would be interested in seeing a couple pictures if its not a lot of trouble , The trailer in the pic , I haven't purchased yet they are asking 1800 dollars I'm not sure of the actual length or tonnes it holds , ill be pulling it with only a 100 hp tractor , I run much less acres than you and I have to justify putting money into the trailer, but It sounds like it maybe a possible project
thanx j |
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Nova Scotia | Here are some pics of trailers set up
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Nova Scotia | shop pic
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| hey chris 924 great pics looks like a lot of work ,but worth it in the end , like any real job , any ideas what I could do with this tri axle if I didn't plan on using a pup trailer on the back could I use ,that is cut it off and use it as a dolly , not sure if the weight would be secure, the third axle as you can see is a lift axle , what would you do , appreciate your take , thanx....
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Nova Scotia | can you get me a direct side shot of the back three axles , so i can see where the fifth wheel sits and also the lift axle , might be possible to cut lift off , move center into place of lift axle , then cut frame off leaving you with back axle plus frame for dolly , would be nice single single trailer . how long is the dump box? |
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highway dump trailer convert to use farm tractor to pull grain
