w6 rear axle spline

farmall paul · Jun 17, 2010

hi there. i have a w6 with a wobbly wheel. the spline in the wheel centre is worn , the axle appears ok. how can i repair this as i dont think theres any spares here in new zealand. thanks in advance

rustyfarmall · Jun 17, 2010

Replacing the wheel would be the correct way to fix it, but if there is no replacement wheel then that is not a remedy. Probably the next best fix is to weld up the worn areas and then either grind or hand file the welds so the wheel will fit. It will be time consuming.

Wardner · Jun 17, 2010

There are epoxy keyway repair products.

I am guessing that a satisfactory repair would involve injection under high pressure. A clean grease gun would be one source of the pressure. You will probably have to throw the grease gun away after use.

Seems like you would have to drill and tap 6 or 12 holes in the wheel to insert to grease fittings. Or perhaps you could make an adaptor to fit over the end of the axle. It would have to be machined and leak free with a seal. O-ring would be easiest. A mold release or wax would have to be applied to those areas where the excess epoxy needs to be removed.

I can't see that backyard welding and fileing would ever be satisfactory. A machine shop could do it but it would be cheaper to import a used wheel and or axle from the US. That axle was probably used through the 560 standard tread tractors. Not sure about the wheel but there were probably several different wheels.

Wardner · Jun 17, 2010

Another way to inject would be to center drill the axle thru the hubcap bolt hole and drill 6 or more radial runners from each spline. Use grease gun as before. Try to dam both sides of the wheel for better distribution of epoxy. The grease fitting will need a 1/8" coupling and nipple so that it extends past the end of the axle.

The dam could be made from fiber packing material pounded into the axle/wheel joints.

mkirsch · Jun 17, 2010

Wow, not one suggestion for the "beer can" fix?

Actually instead of beer cans we used steel roof flashing material and made a shim for between the wheel and axle. Nice and tight now.

Beer cans are so thin now they don't make good shims. Always a good idea to have a roll of flashing around for just such an occasion.

w6 rear axle spline

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