Tractor Research
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I have already found main tractor manufacturers all around the world, I would need some information about the plants where tractors are made as well as axles and transmissions manufacturers. I am interested in the quality controls they follw in order to test the machine before they get sold.
ryanbr
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what about tractordata?
slowzuki
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Well there are only so many axle and transmission manufacturers. The component manufacturer is not going to release anything more than the promotional documents about how great their q/a program is unless you are buying from them.
Manufacturers of tractors sometimes detail their testing but it is hard to get wind of it. You will see articles regarding how many hours they put on prototypes, and the different climates they tested the machine in. SAE has some standards and papers on this if you are interested in the engineering details.
As far as axles, Dana, Carrera, ZF are the big suppliers of front axles. Rear assemblies I'm not sure but they are shared across many platforms. They are stacked combos of several components. Clutch/reverser, main box, range box, rear end and pto. The powershift boxs are more integrated, can't swap out pieces the same.
Manufacturers of tractors sometimes detail their testing but it is hard to get wind of it. You will see articles regarding how many hours they put on prototypes, and the different climates they tested the machine in. SAE has some standards and papers on this if you are interested in the engineering details.
As far as axles, Dana, Carrera, ZF are the big suppliers of front axles. Rear assemblies I'm not sure but they are shared across many platforms. They are stacked combos of several components. Clutch/reverser, main box, range box, rear end and pto. The powershift boxs are more integrated, can't swap out pieces the same.
BobG_in_VA
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Nebraska. The University of Neb. tests every brand/model of tractor prior to its release for sale there. Find their website...more info there than you can keep track of. BobG in VA
flusher
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Legwork. I doubt you'll find easily accessible documents on the Web to provide that info. So, I'd advise emailing and/or visiting various dealers and ask your questions there.
Thank you all about the help, I am following some of your advices, got in contact with the Nebraska tractor test lab (gorgeous information) , visii several web sites, and I have an appointment next month with one of the J.Deere quality control managers in Spain.
However I keep looking for tansmissions, gearboxes and drivelines in general...
However I keep looking for tansmissions, gearboxes and drivelines in general...
Some OEM's make all that stuff for there own product. Case IH and Deere make the trans they use. Deere also owns FUNK which makes trans. for other OEM's. ZF makes axles, american coleman used too make front axles, don't know if they still do. Fendt makes CVT's for the AGCO lines. It's very hard to find who makes what sometimes due to no manufacturer promotes the parts of the machine they sell. They promote the machine, some OEM's don't even make some of the items they sell. Deere skidsteers where made by mustang I think then NH years ago, NH tedders are KUHN, Challenger combines were/are Claas, etc.