Rebuilt Tuff Torq K46 Transaxle – T40J

To suit selected John Deere ride-on mowers

Professionally rebuilt Tuff Torq K46 hydrostatic transaxle (T40J).
** Listing images are for illustration purposes and may not show the actual transmission **

Unsure about fitment?
Send us your John Deere product number and year model (located under the seat) and we'll confirm compatibility before purchase.

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Why buy from us?

We specialise in hydrostatic transmissions.
We stand behind what we sell and offer free technical support over the phone from people who actually work on these units.

✔ Transmission specialists
✔ Genuine parts
✔ Real backup & advice
✔ $100 core refund when you return your old unit

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Professional Rebuild – Ready to Install

• Fully disassembled, cleaned and inspected
• Worn components replaced as required
• Hydraulic surfaces precision-machined
• New Japanese C3 bearings (pump & output shafts)
• New axle & input shaft seals
• Genuine Tuff Torq oil filter
• Filled with 5W50 full synthetic oil (manufacturer-recommended)
• Bench-tested before dispatch

✔ 12-month / 100-hour warranty

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Fits selected John Deere models (check compatibility):

105
115
125
LA110
LA115
LA120
LA125
LA135
D110 (serial 0-100000)
D120 (serial 0-100000)
D125 (serial 0-100000)
D130 (serial 0-100000)
D140 (serial 0-100000)

⚠ Transmissions can vary between production runs — always confirm by product number or message us.

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Compatible part numbers:

John Deere: MIA10910
Tuff Torq: 768T2024011, 768T2024010, T40J

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Trade-in Your Old Transmission – $100 Core Refund

Send your old transmission back and we'll refund you $100. It can be faulty, but it must be complete. A Core Return Form comes in the crate with your new unit.

1. Install and confirm – fit your rebuilt transmission and make sure you're happy with it.
2. Prepare the old unit – clean external oil and dirt off as best you can and pack it securely in the original crate. Do not drain the internal oil.
3. Complete the form – fill in your contact, pickup and bank details and place it inside the crate.
4. Take two photos – one of the transmission inside the crate before sealing, and one of the closed crate.
5. Message us with both photos – we'll send a new freight label and book the courier. Remove the old label and attach the new one.
6. Inspection and refund – once we receive it and confirm it's complete, we refund $100 to your nominated account.

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Shipping

$75 flat-rate shipping Australia-wide via TNT, Aramex, StarTrack and Australia Post.

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Looking for a different transmission model?
We're constantly expanding our range — message us with your mower details and we'll help.

Prefer new instead of rebuilt?
We also offer brand new genuine Tuff Torq transmissions — see our other listings or contact us for advice on the best option.