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#1
11-03-2019, 02:05 PM
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Question about sprocket replacement on QA42 auger.
I've posted this in the implement and attachments section as well, but I think this section gets more attention.
Hello all, the auger sprocket (24 tooth sprocket) on my new to me qa42 snow thrower is severely chewed up from the chain slipping over it. All the teeth are worn and rounded off. It has enough teeth to turn right now, but I'm not sure that'll be the case when it gets loaded down with snow. I've attached a photo below. Any rate, the sprocket looks to be plug welded on, and I see I can buy new sprockets with 3 ovals for plug welding, but the same source also has a new sprocket with a 1" stub shaft and a hole drilled in one end of the shaft. It's the 6th item down on the following link. https://www.xtrememotorworks.com/Par...Cub-Cadet.html Does anyone know how this type of repair works? Does the factory stub end on the auger have a bolt or pin holding it in place? I think it's be easier (and cheaper) to buy just the sprocket and have it welded, but seeing thr sprocket and stub shaft makes me wonder. https://photos.app.goo.gl/iGybYQqhKWrmHEJ7A 
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#2
11-03-2019, 06:30 PM
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Welcome,
I'll be watching this thread because I have an auger with a slightly bent rod on the sprocket side resulting in an out of balance auger. It shakes like a jackhammer when it's full throttle. Rather than buy a bunch of materials and look for a good machine shop, I bought another tractor with the same blower for $200. Now I have a mower cub and a snow mover cub.
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Rusty 149 project with: QA42 snow thrower 38" deck Barn fresh 1811 with: 44c mowing deck QA42A snow thrower 42" snow blade
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#3
11-03-2019, 08:07 PM
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Aaron has both sprockets, the welded one for the auger itself and the smaller one on the chain adjuster.
I made the shaft and have both 14 tooth sprockets and "Plus 1" 15 tooth sprockets for the chain adjuster that attach with a spirol pin. If you can grind the plug welds out without touching the shaft, you can have ( or weld yourself) the new sprocket welded in place. You must make sure the new sprocket sits perfectly flat on the end of the auger or it will wobble and wear out itself plus other components. Jeff
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.
MTD Products, Inc. of Cleveland, Ohio purchased the Cub Cadet brand from International Harvester in 1981. Cub Cadet was held as a wholly owned subsidiary for many years following this acquisition, which allowed them to operate independently. Recently, MTD has taken a more aggressive role and integrated Cub Cadet into its other lines of power equipment.
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