Almost all 4 wheel drive passenger vehicles only have 2 wheel drive unless a locking differential has been installed on 1 or both axles. In slippery conditions, limited slip means that the wheel with the most traction will get the grip. It doesn't mean both wheels will still be driving. Posi-trac is GM's term for limited slip. So in slippery conditions when you really need the extra traction, you have one rear wheel driving and one front wheel driving. Tractors can have 3 wheel drive pretty easy if there is a differential lock for the rear axle. If you want true 4 wheel drive, get a skid steer loader. They have full power to all 4 wheels. If your bush hogging, you don't need front wheel assist. FWA is nice if you're going to be clearing snow or really need to work in sloppy conditions but for general work, there are millions of people that have got along fine with 2 wheel drive.
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Today's Featured Article - 12-Volt Conversions for 4-Cylinder Ford 2000 & 4000 Tractors - by Tommy Duvall. After two summers of having to park my old 1964 model 4000 gas 4 cyl. on a hill just in case the 6 volt system, for whatever reason, would not crank her, I decided to try the 12 volt conversion. After some research of convert or not, I decided to go ahead, the main reason being that this tractor was a working tractor, not a show tractor (yet). I did keep everything I replaced for the day I do want to restore her to showroom condition.
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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