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Hi guys, I have a Tuff Torq K57 from a Husqvarna YTH24K48 and was wondering what is involved to rebuild it? I just want it to be restored to the original speed, and I'm planning to resurface the pumps with sandpaper, but I was wondering if just resurfacing things would fix the transaxle groaning? What causes this? Also, what would be the best oil to use in this if I clean it all out? I'm hearing a lot of conflicting answers about this.

Cavitation...

You need at least a seal kit
1A646099151

or if center section and pump motor(s) are a repair kit.
1A646098420

When disassembly pay very attention to part placement. Better yet take a lot of pictures as you disassembly. Item 36 is the motor plate that can be installed 180 out. This will reverse the transaxle operating directions.

StarTech said:

Cavitation...

You need at least a seal kit
1A646099151

or if center section and pump motor(s) are a repair kit.
1A646098420

When disassembly pay very attention to part placement. Better yet take a lot of pictures as you disassembly. Item 36 is the motor plate that can be installed 180 out. This will reverse the transaxle operating directions.
View attachment 72299

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Thanks, Do you know which filter is better, the older paper or the newer mesh one?