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Topics - HutchMachine

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Chassis / 5/8 spindle length
« on: August 21, 2021, 04:44:12 pm »
I can?t afford to buy wheels and hubs right now. I do have my from axle build 70 percent done. I need to make the kingpin spindle. I want a universal design that could potentially work with any wheel or hub combo. I would like to go with smaller wheels and tireS than most. This is a drag mower, not a racing mower governed by any rules. I need to know how long multiple spindles and the threads on them are so I can average them and turn threads on my 5/8 4140. Also, axle nut threads that are common. I asked e.c. If they would tell me what their 6 inch wheels and hubs measurements were, so I could buy from them when I can afford to, but they said I could just buy wheels hub and 219 dollar front steer kit.

There was an old raving mower steering blueprint floating around. Does anyone have it. I have to fabricate my own steering. I can?t afford to buy pre built. There used to be blueprints floating around d online, but hopefully someone here can provide it.

Driveline / Mtd transmission 8 speed?
« on: May 26, 2021, 11:34:27 am »
I pulled my mtd apart. I would assume it?s early 2000s late nineties. The first three #s on transmission serial is 719. It will be a drag mower, as much speed as possible, but I will go all out with steering and rear axle. My question is wether the 719 transmission should be tossed, or modified. Also if I buy a weld in kit what size axle should I use 38,40, or 42?

Briggs OHV & Vanguard / 17.5 ohv. Can I make power with this?
« on: May 13, 2021, 08:26:01 pm »
Is the Briggs 17.5 ohv  a good engine to build for power?

Briggs OHV & Vanguard / 14.5 Briggs Stratton on yard machine
« on: May 05, 2021, 02:45:58 am »
I have a late 90s yard machine. It has the 14.5 ohv and I attempted a pulley swap on the main pulley and tried to remove the governor. I have managed to make it go faster, but the brakes stopped working. Me and my boy work on this together and we decided to put it back to the stock pulley setup until we can build something that functions better.
 I?m on a tight budget and don?t know wether to purchase a different engine and build it up and convert it to RAGB, new axles, chain driven, new steering and pedals.
 The other option is build up the 14.5 engine in the mower now, and try to run a smaller pulley on the transaxle and upgrade brakes, steering, and all the other mods one does as things break. I would like to make a monster of a drag mower that handles like a racing mower. I don?t have a class, just like working on it with my son and it is good for going all out because mistakes won?t be in the thousands like Diesel engines. Any advice or conversation is welcome and appreciated.

Coffee Shop / Where to start?
« on: April 29, 2021, 02:38:04 pm »
Hey, I have been interested in mower racing ever since I was a kid, but never pulled the trigger on an old mower. I finally found a MTD with a 14.5 hp and 42 inch deck (99-2002 if I had to guess. It?s in decent shape. I want to pull the deck off, swap pulleys, and remove the governor, but figured I would try to find some knowledgeable advice before I tear it up. I just want to make a very fast mower that handles like a racing mower. I don?t have a class to follow, I just need extreme speed (for a mower) and safe as possible to ride around the neighborhood. One day I might have time to race, but for now it is just about having fun modding something that?s cheaper than my truck is. I want to make it chain driven, and mod the engine and tranny. Anyone have similar goals that could offer some advice. The engine number is 287707 which is OHV. Where do I start?

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