Selected Part Number: AUC15359
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Tuff Torq Transaxles for John Deere AUC15359 / AUC15360 — Left or Right
Overview
Restore the drive on select John Deere ZTrak and EZTrak zero-turn mowers with a new, genuine Tuff Torq hydrostatic transaxle. Choose AUC15359 left or AUC15360 right using the selector above.
These assemblies replace the earlier John Deere transmission references listed below, including MIA12730 left and MIA12731 right. Each option is one complete unit sold by Timberturf Power Equipment on eBay and supplied prefilled with oil.
Choose the Correct Side
| Position | John Deere OEM Number | Tuff Torq Number |
|---|---|---|
| Left / LH | AUC15359 | 787Q0824081 |
| Right / RH | AUC15360 | 787Q0824091 |
Left and right are determined while seated on the mower, facing forward. For both sides, order one left unit and one right unit.
Key Features & Details
- Manufacturer: Tuff Torq
- Condition: new, genuine replacement assembly
- Transmission type: integrated hydrostatic transaxle
- Drive position: left or right, selected above
- Configuration: external oil reservoir, cooling fan, drive pulley and wheel hub as pictured in the selected offer
- Oil fill: supplied prefilled by the seller
- Quantity: one transaxle per selected offer
Replacement Part Numbers
| Side | Current OEM | Replaces |
|---|---|---|
| Left | AUC15359 | AUC15343 MIA12730 MIA12123 |
| Right | AUC15360 | AUC15344 MIA12731 MIA12122 |
The current AUC numbers are the service replacements for the earlier references shown. An original transmission labeled with an older MIA number can be matched through the appropriate left or right row.
Compatible John Deere Mowers
Applications include the following mower models using the AUC15359 / AUC15360 replacement references or their earlier numbers above. Match your mower's model and serial tag with the original transmission identification.
| John Deere Model | Application Details |
|---|---|
| Z530R | Z500 R-series zero-turn mower |
| Z535R | Z500 R-series zero-turn mower |
| Z540R | Z500 R-series zero-turn mower |
| Z545R | Z500 R-series zero-turn mower |
| Z625 | EZTrak zero-turn mower |
| Z655 | EZTrak — serial 130001 and up |
| Z665 | EZTrak — serial 130001 and up |
Z655 / Z665 serial coverage: Timberturf specifies these units for serial numbers above 130000 (130001 and up). For earlier machines, send the model tag and transmission label to our Parts Desk for the correct replacement.
What's Included
- One new Tuff Torq hydrostatic transaxle for the selected side
- Assembled transmission with the reservoir, pulley, cooling fan, wheel hub and control components pictured in the selected offer
- Oil prefill as specified by the seller
Review the selected eBay offer's photos for the exact assembly supplied.
Before Ordering & Installing
- Identify the correct side and part number. Use the John Deere OEM reference or complete Tuff Torq identification number.
- Compare the installation details. Check the axle and wheel hub, mounting points, pulley, reservoir position, control arms, brake linkage and bypass control.
- Follow the manufacturer's procedure. Use the mower and transmission instructions for installation, oil checks, linkage adjustment and air purging before returning the mower to service.
Parts Help From PTO Direct USA
Text a Photo. Get Parts Help.
Text your mower's model and serial tag plus a clear photo of the Tuff Torq identification label to 541-361-8778. We'll help match the OEM reference and the correct side.
Open the Parts DeskFitment support before and after purchase. Call or text 541-361-8778, or email support@ptodirectusa.com.
Buying Through Our Partner
Select your side above and click the buy button to view that transaxle on eBay. Timberturf Power Equipment handles payment, shipping, returns and order-related warranty service. Review the selected offer for current price, availability, delivery estimates and terms.
PTO Direct USA may earn a commission from qualifying purchases through links on this page, at no additional cost to you.
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