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Farmall & IHC Tractors Discussion Forum
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706 rearend weight / strength

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The Farmall

10-06-2004 08:29:57




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If I am correct which I may not be so dont hold it against me, The 706 through the 66 series tractors had the same type tranny and rearend, but the 1466 had heavier axles and bulls right. The factory weight for the 706 is lighter than the rest. DOES ANYONE know if the 706 rearend has less webbing or is thinner than the later models to reduce its weight any, is it less Beefy? Thanks,




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Aces

10-06-2004 20:17:57




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 Re: 706 rearend weight / strength in reply to The Farmall, 10-06-2004 08:29:57  
A SM wioth a DT436 is a conversation piece.



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K.B.-826

10-06-2004 18:44:47




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 Re: 706 rearend weight / strength in reply to The Farmall, 10-06-2004 08:29:57  
As the tractors got progressivly bigger, so did the rear end. For example, an 806 has heavier axles than a 7, probably bigger bull gears as well. A 1206 would definetly have heavier axles and bull gears. As far as I know, most if not all of the beefing up was done to the final drives, that is, the bull pinion/bearings, bull gear, and axle/bearings. Most of the parts in the actual range transmission case will interchange. A 706 ring gear and pinion shaft is the same as what many of the bigger ones used.

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Novel Idea Guy

10-06-2004 08:48:50




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 Re: 706 rearend weight / strength in reply to The Farmall, 10-06-2004 08:29:57  
The rear end casting went through several design revisions, though the basic design was definitely the same.

According to one of the IH books I've got, the gears got heavier as the tractors got bigger. I suppose much of the weight gain was from internals, not the casting itself. The major difference was when you went from the 14XX to the 15XX; instead of bull gears, the final drives were planetary.

Frankly, if you're planning on marrying a 706 rearend to anything but a 706, do so with the understanding that you could tear its guts out.

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TP from Central PA

10-06-2004 15:53:26




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 Re: 706 rearend weight / strength in reply to Novel Idea Guy, 10-06-2004 08:48:50  
Yup, I know a guy who got a 706 with a transplanted DT-414 into it last fall..... ....Got the tractor home and pops out of high range. Looks like the old girl did some pulling.

I wouldn't mind having this beast though..... .make a neat conversation piece to grind feed or blow silage with(Grin)



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w gatewood

10-07-2004 02:51:17




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 Re: 706 rearend weight / strength in reply to TP from Central PA, 10-06-2004 15:53:26  
we have a very sucesfull pro stock tractor puller in our area he has pulled for over 30 yrs using a 706 rear end the thractor is called nite moves out of greenfield indiana



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K.B.-826

10-06-2004 18:46:33




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 Re: 706 rearend weight / strength in reply to TP from Central PA, 10-06-2004 15:53:26  
Pops out of High? Did he check out the entire shift linkage and the detents yet?



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