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 - History of the Nuffield Tractor: Part 2 - by Anthony West. In February 1953 production of the ETC T.V.O engine started, ready for the March 1953 press announcements. The new TVO engine had a number of improvements which resulted in a 10 per cent more power (43bhp as against 38 bhp on the earlier engine) and 10 per cent more fuel economy. Some of the improvements are listed below: Redesigned combustion chamber, improved spark plugs and positioning, plug size 14mm(earlier size 18mm).
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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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