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Ford Tractors Discussion Board

Re: Selectospeed, Bad or Good ?

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Posted by Dean on May 08, 2006 at 18:35:14 from (

In Reply to: Selectospeed, Bad or Good ? posted by PaJay on May 08, 2006 at 17:41:41:


Many people are afraid of the SOS due largely to teething problems with the early ones and the scarcity of mechanics who can and will work on them. It is true that repairs can be expensive but that is true of most any transmission unless you do the work yourself.

The late model SOS transmissions were pretty much bullet proof so long as the oil and filter is changed periodically and the correct oil is used. The good news is that SOS tractors can usually be bought for much less than those with gear transmissions. Additionally, any tractor with the SOS will have fully independent PTO.

I have two Fords with SOSs and love them but I am no doubt in the minority. When you look over the tractor, get it fully up to operating temperature and see if it will pull in all gears. Check to see that the PTO will pull when hot as well. Check that the power steering works properly when hot as well. A rebuilt PS pump will cost $500+ and many 4000s have worn pumps.



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