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Old 08-01-2026, 02:01 PM
TLamp TLamp is offline
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Join Date: Jul 2026
Location: NH
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Default Double deck pulley on a lt1018 42"deck replacement

Okay I am getting very frustrated with installing a new double deck drive pulley on the 42" deck on a LT1018. The bottom bearings keep burning out. I first replaced just the bearings then I replaced the whole pulley (51 in drawing) and installed new bearings/c clips/washer/spacer(43/25/37/47) as well. Burnt them out. then I replaced with a whole new pulley that included the bearings already. Burnt the bottom bearings out again. The first two times I thought I may have tightened the mounting bolt too much but the third time I torqued them to around 30. It spun without much tension.

42in mower deck.jpg
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Old 08-05-2026, 07:03 AM
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Billy-O Billy-O is offline
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Where are you getting your bearings from? I see some bearing kits available on Amazon in what they call "c3 upgrade"... but some might say you've got Scamazon....who knows?

I generally prefer to get my bearings from reputable bearing companies such as Timken, SKF, NTN and etc.... and with the proper seals.
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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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