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How hard is it to make a garden tractor? Answered

I have been wondering how hard it is to build a pivot steer garden tractor, I would probably use 2 donor garden tractors, for the axles, gearbox and engine. i was wondering about using  1 inch box section for the chassis, i would like to build it so that it is 4 wheel drive. I have drawn what i was thinking of designing, i am not particulaly good with google sketch up, i would use an engine with a horizontal drive, 10- 20hp probably. i would have an idler on the belt connecting the front and back axles. i would like to set up a pair of belts to go from the engine to the first axle, both with an idler that can be used as a clutch, it would have one belt for forwards and one for backwards, it is likely to be controled by a second clutch peddle, one forward, one backwards. has anyone got any surgestions, especialy for the pivot.

I have limited tools, parts and time, i have only acess to tools we have on the farm, drill, welder, grinder and some hand tools.  I'm nearly 15, so the design needs to be fairly simple, but i will get dad to help with some of it. we have a fair selection of old parts, at the farm, i will probably get 2 garden tractors to start from, two westwood?

Thanks for the ideas, and replies, it gives me some confidence in the idea

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Bryan Smith (author)2012-04-20

Here are some plans for homemade tractors. A little dated but adaptable. http://www.vintageprojects.com/tractor-plans.html

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willow20 (author)2011-12-12

i have done some more research and foung this
http://www.personal.psu.edu/staff/s/v/svh1/images/Tractor/ARTICASE/Artic-Case.html
i am wondering about designing something simular , but not with the loader (possibly a later project) and 4wd, but the same basic priciple, and possible link arms like on my current garden tractor

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willow20 (author)willow202011-12-12

Sorry, the web adress didn't hyperlink, should copy and paste.

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willow20 (author)2011-12-12

we have agarden tractor for pulling a trailer/ lawn sweeper ect... , but it is quite slow and the turning circle isn't good for the lawn sweeper (it won't turn sharp enough), it struggles on the muddy lanes(not4x4), i have fitted a hydraulic pump, but it needs 24v and the batteries won't charge as there isn't an alternator, and it won't run for along time (it is off a tail lift on a lorry). this is why i would like to build some thing. in school (at lunch) we are building a go-kart for the green power challenge, so i am gaining some expierience in making vechiles, i am currently working on a hydraulic tipping trailer for the tractor we have.

if i build it i will try to make an instructable or simular, but it may take a while to source 2 simular tractors/ build the new one.

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lemonie (author)2011-12-11

If you can get 2 donor tractors, why not just get one of them to work?

L

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rickharris (author)2011-12-11

Sounds like you have a design idea that will work, understand how they are built and have access to the parts and tools required - all good.

Go for it. - Write up the instructable - PLEASE!

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canucksgirl (author)2011-12-11

I applaud your ambition! Not many kids under 15 years old would even think to tackle such a project. Unfortunately I don't have the answer you need, but I wish you a lot of luck!

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