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Go Back   Only Cub Cadets > Cub Cadets > Cub Cadet Rear Engine Rider & ZTR (RER)

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  #1  
Old 05-13-2025, 07:40 AM
Crimson Mister Crimson Mister is offline
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Default Engine Mounting Question.

I have a five year old Pro Z with a 27 hp Kawasaki on it. Mowing last Thursday and the mower stopped moving so I looked under the machine and the hydro drive belt was shredded. Local dealer had one so I picked it up Friday to install on Saturday. While install the belt the engine moved. Started looking and 3 out of the 4 mounting bolts were broke of and the 4th was loose. Has anyone else seen this? Wondering about the design of mounting the engine directly to the frame without any dampeners. Also wondering if anyone had retrofitted some kind of urethane mounts and how you dealt with the pulley alignment issue.

Thanks
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Old 05-14-2025, 07:58 AM
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ol'George ol'George is online now
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Not familiar with your lawnmower, but before I'd try reengineering the motor mounting system I'd replace the broken bolts with grade 8's instead of "lowest cost supplier" situation that manufactures require to save costs.

You can get good bolts at a place like tractor supply and they are inexpensive, and sold by the pound, just make sure they are grade 8.
Have fun!
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Old 05-14-2025, 09:33 AM
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Billy-O Billy-O is offline
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Agree with grade 8 but also consider some locking configuration such as lock washers, serrated heads and/or maybe a dab of blue lock tite. Vibrations can shake 'em loose.
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Old 05-14-2025, 11:28 AM
finsruskw finsruskw is offline
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Does it require bolts AND nuts?
If so, use Stover nuts and a flat washer.
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Old 05-14-2025, 05:25 PM
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I'm fearful the bolts are broken off in the motor casting.
Most cheap stuff today use cast holes (no machining) then self taping bolts.
its a cost saving but a pain in the ass when they break off.'
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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.

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