Geoff: Your getting led astray here, traction with a tractor is not the same as race cars. tractor tires hardly compare with racing tires. Traction on hard road or black top is quite different from a field situation.
The first year I had my 1066, on single wheels with chloride and with 24' cultivator the tractor would ocasionally loose traction, and continuously leave wheel tracks the culivator would not cover. Not a surface I was very happy to plant corn or drill grain on. I dumped the chloride, installed duals and the tractor pulled the same 24' cultivator, without any loss of traction and gone were the wheel tracks. I also had a 12-15 ton manure spreader, pulled it with those same duals no chloride in summer season. One day on hard frozen ground I went for a ride of my lifetime. I took the duals off, and tractor handled the manure spreader fine on frozen ground. Removing the duals almost doubled the rear tire pounds per square inch on the hard frozen ground. You have to match tire equipment to conditions.
Other factors here, and all manufacturers will warn against this. Do not make maximum drawbar pulls in lower gears with duals. Also, do not add unlimited weight to duals, all tractors must have some slipage. Slipage is the cushion that protects the tractor driveline. This becomes a major concern with articulateds, one must achive the same slipage on both axles, if not the axle with least slipage will have excessive wear
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Today's Featured Article - Identifying Tractor Noises - by Curtis Von Fange. Listening To Your Tractor : Part 3 - In this series we are continuing to learn the fine art of listening to our tractor in hopes of keeping it running longer. One particularly important facet is to hear and identify the particular noises that our
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