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I have an Attex Super Cheif with T20 transmission, the left drive side stopped working, i pulled the transmission, dissassemled and found the clutch drive side T20 sprocket snapped at the shaft. Where can i get a replacement for this? Also should i try to replace the bearing for it? and the oil seal?
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Try starting a wanted ad here on the forum. One of the members will probably have what you need.Comment
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Yep, that's the correct one. I would inspect the ball bearing but this requires pulling and replacing that seal also. If you feel the bearing needs replaced,it too must be purchased from a similar source. A standard bearing will not fit,the T-20's is a different thickness. Good job at getting into the repair. You may want to measure up the bushing inside the case along with the boss on the ring drum and the one in the planet drum along with the boss of the center plate also. This part (output shaft) should not fail under normal operating conditions.Originally posted by Shawn MacAnanny View PostsigpicComment
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Thanks! I was planning on getting both of those larger outter bearings. But the needle bearings on the planetary seemed ok. A couple fell out, i put them back in. Can i use grease to help hold them in place for now? I saw where some light surface rust may have been on drums, just some staining but no pitting. The bands have .017" of lining but one side had thelining coming loose so i guess i should get them relined. Where is the best place to get that done?Originally posted by JoeMeg View Post
I'll make a parts wanted thread, that's a pretty expensive little shaft there. I havent been able to full dissassemble it i becuase i didnt have snap ring pliers small enough to get the snap ring off below the shifters so i had to order some. I'll post pics of the components to see if theres anything you guys see, i've never had one of these apart so there might be something wrong im not seeing.
I put new drive chains on, everything spins freely, all axle bearins take grease, none got hot while driving. it's only an 18hp vangaurd motor powering it.Comment
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Wow! I just looked and the price really went up on a gasket and seal kit for a T-20."Racing is life. Anything that happens before or after is just waiting."Comment
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Does your attex have the brake rotors mounted on the output sprockets? I have a pair of good sprockets like that. The distance between the bearing and shoulder for sprocket can vary between Attex,some Hustlers andMax. It's enough different to cause chain alignment trouble in some machines. I'll get into my notes and post the dimentions when i can. Whipper is producing output bearings. Not sure he has any left now, $54 a pair last time I checked.Comment
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The transmission number is 000024 lol I think it was a very early one. There are no brakes on the sprocket just a clutch on that side. Just a sprocket on the other side. There's no manual disk brake or caliper or anything on this one.Comment
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That has to be an old one. I'm adding a pic with the two types of output shaft I've found. If any others are out there let us know! As you can see from pic the shorter one can have the side sprocket installed a lot closer to the case. The longer one is what I find in newer Max T20s. The other is usually hustler or attex, maybe others. If sprockets are installed to close to the case the master link pins can hit the case. The sprockets are no longer available seperatly and must be installed in a jig that stops them true on the shaft. You can install a sprocket on the short shaft where the new ones need to be but I tack weld them. The sprocket is just partially on the knurl. Not placing the sprockets at the correct distance from the case can make you move all the axles or sprockets to align the chains.
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