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FreddieFarmall

Rear Axle Hubs

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We just started working on a puller for my son. I purchased a nice 'rolling chassis' Commando 800 at the show in Arendtsville this summer. This model has 10" rear tires on a unique flat wheel with smaller diameter center hole, and corresponding 'boss' on the hub for the wheel to fit onto. I did not notice this until I put a set of 12" wheels on it. The bolt pattern fits, but the center hole is about 1/2 in larger, so wheel will only be supported by the lugs. Thought about trying to get another set of hubs, but this model has 1" axles. Any ideas?

Thanks, Fred P.

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Post a pict if you can, so we can see what you're working with.

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No picture needed. Just get a set of 1" hubs off a 300 series machine and away you go. I think the 300 series machines have the twin set screw hubs. Or better yet (since your building a puller) get an 8 speed tranny with the 1 1/8" rear axles/hubs and retrofit it to your machine. It'll probably hold up better for pulling competitions.

Mike............

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Thanks Sparky-

I will see what I can scare up. My son is 7 yrs old, and has been running one of his grandfather's tractors this summer. He is anxious to get this one going. I think he will probably not pull this one in more than 700 or 800 lb class, so I hope the orig. transaxle will hold up. I will post some pics of the progress :)

Fred

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If the lugs are tight, you'll be fine, it's all the support you need.

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Does the Commando 800 tranny have the extra-long 1-inch axles to go with those 10-inch wheels? I know my 8 4 speed has them, and I personally would not place too much strain on those axles for sure.

700-800 lbs class probably won't break them, but it's hard to say with all that added leverage of those long axles. Even a standard 4-speed tranny would be far stronger with 12-inch wheels. I agree with Mike: Try to locate an 8-speed with 1 and 1/8th axles.

I apologize for nitpicking your plan, as it is done with the best intentions. I only do so out of concern for your son- because I would imagine it could get dangerous if he lost an entire rear wheel during the pull.

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No picture needed. Just get a set of 1" hubs off a 300 series machine and away you go. I think the 300 series machines have the twin set screw hubs. Or better yet (since your building a puller) get an 8 speed tranny with the 1 1/8" rear axles/hubs and retrofit it to your machine. It'll probably hold up better for pulling competitions.

Mike............

When did the 300 series go to 1 inch, or I guess I mean when did they go to the 1 1/8 axles. My 87 312-8 has the bigger axles.

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The transmission on my tractor does have those 'long' axles and you are probably correct that they won't hold up under a lot of weight. I will try to find a more durable transmission, but for the time being, I think this one will work OK. Will another transmission be a direct 'bolt on' switch or will I have to fabricate stuff?

Fred

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