AUC20538 OEM PTO Clutch for John Deere Z970R, Z960M, Z950R, Z950M | ZTrak 60" & 72"
Overview
This genuine John Deere AUC20538 electric PTO clutch is an OEM replacement clutch for select John Deere ZTrak commercial zero-turn mowers, including applications in the Z970R, Z960M, Z950R, and Z950M families.
The third-party seller specifically lists AUC20538 for select Z950M 60-inch, Z950R 60-inch, Z960M, and Z970R 72-inch Mid-Z deck applications.
John Deere identifies AUC20538 as the current substitute for the earlier AUC18452 PTO clutch path. The related Warner commercial clutch family is Warner 5228-80, which is associated with the earlier AUC18452 / AUC18216 path.
Important: John Deere used different PTO clutch configurations across ZTrak models, deck sizes, and production ranges. Match the original clutch number or verify the mower model, deck configuration, and serial number in the John Deere parts catalog before ordering.
Key Features
- Genuine OEM John Deere electric PTO clutch assembly
- Current John Deere Part Number: AUC20538
- Previous John Deere Path: AUC18452
- Related Warner Clutch Family: 5228-80
- Commercial-duty PTO clutch and brake assembly
- Designed for select John Deere ZTrak commercial zero-turn mower applications
- OEM construction for customers who specifically prefer genuine John Deere replacement parts
Warner 5228-80 Reference Specifications
The following published Warner specifications are useful when comparing the AUC20538 / AUC18452 replacement path to the original clutch:
- Crankshaft Bore: 1-1/8 inch / 1.125 inch
- Pulley / Flange OD: approximately 6.845 inch
- Rotation: CCW
- Voltage: 12 VDC
- Rated Clutch Torque: 225 ft-lb
- Current Draw: approximately 6.86 amps
- Coil Resistance: approximately 1.75 ohms
- Mounting: standard
- Connection: integral
Torque rating note: The 225 ft-lb specification is the clutch's rated torque capacity. It is not the mounting-bolt tightening torque.
Compatible Brands & Model Series
This genuine OEM clutch is for select John Deere ZTrak commercial mower applications using the AUC20538 clutch path.
Seller-Listed Applications
- John Deere Z970R: select 72-inch Mid-Z deck applications
- John Deere Z960M: select applications including 60-inch Mid-Z deck configurations
- John Deere Z950R: select 60-inch Mid-Z deck applications
- John Deere Z950M: select 60-inch Mid-Z deck applications
Additional John Deere ZTrak Families
John Deere catalogs the AUC20538 replacement path across additional select commercial ZTrak applications, including mower families such as:
- Z920M
- Z930A, Z930M, Z930R
- Z950A, Z950M, Z950R
- Z955M, Z955R
- Z960A, Z960M, Z960R
- Z965M, Z965R
- Z970A, Z970R
Fitment warning: Do not order from the broad ZTrak model name alone. Deck size, serial range, engine configuration, and original clutch number can affect fitment. Confirm that your mower calls for AUC20538, AUC18452, or the corresponding verified replacement path before ordering.
Replaces OEM Part Numbers
- John Deere: AUC20538
- John Deere Previous Part Number: AUC18452
- Related Earlier John Deere Path: AUC18216
Aftermarket & Manufacturer Cross-Reference Numbers
- Warner: 5228-80, 522880
- Warner Previous Revision: 5228-76, 522876
- Warner Previous Revision: 5228-55, 522855
- Warner Previous Revision: 5228-38, 522838
Cross-reference note: Warner identifies 5228-80 as the replacement for 5228-76, 5228-55, and 5228-38. The Warner 5228-80 family is associated with the John Deere AUC18452 / AUC18216 clutch path that leads into the current AUC20538 replacement.
Before Ordering
This is a genuine John Deere OEM product sold and fulfilled by a third-party seller through eBay. PTO Direct USA provides the fitment and cross-reference information to help customers locate difficult or expensive OEM clutch options.
Product price, inventory, shipping, warranty, returns, and fulfillment are controlled by the third-party seller and can change. Review the current eBay listing before purchasing.
Common Symptoms of a Failing PTO Clutch
- Mower blades will not engage when the PTO switch is activated
- PTO clutch clicks but the deck belt does not turn
- Blades engage when cold and stop after the mower heats up
- Intermittent blade engagement under heavy mowing load
- Deck belt slips, squeals, or smokes during engagement
- Burning smell or excessive heat near the PTO clutch
- Grinding, bearing noise, or abnormal vibration from the clutch area
- PTO fuse repeatedly blows because of a clutch coil or wiring fault
What’s Included
- 1 genuine OEM John Deere AUC20538 PTO clutch assembly
- Integrated pulley and clutch/brake assembly
- Electrical connection components supplied with the OEM clutch as shown in the seller photos
Third-party fulfillment note: Packaging and included components are controlled by the eBay seller. Review the current seller photos and listing details before purchase.
Why PTO Direct USA Lists This OEM Clutch
- Provides a genuine John Deere option for customers who prefer OEM parts
- Clear AUC20538, AUC18452, and Warner 5228-80 part-number routing
- Fitment-first guidance for commercial ZTrak mower applications
- Helps customers locate parts that may not be stocked directly by PTO Direct USA
- Connects OEM and Warner replacement paths without forcing buyers into a broad generic clutch search
Please note: This clutch is sold and fulfilled by the third-party seller on eBay. PTO Direct USA does not control the seller's inventory, pricing, shipping, warranty, returns, or order fulfillment.
Need Help Confirming Fitment?
Email support@ptodirectusa.com with your John Deere mower model, serial number, deck size, and original PTO clutch number. If the clutch number is unreadable, include clear photos of the old clutch, pulley, connector, anti-rotation setup, and crankshaft area.
FAQ
What PTO clutch replaces John Deere AUC20538?
AUC20538 is the current genuine John Deere PTO clutch number for this replacement path. This listing is for the genuine OEM AUC20538 assembly rather than a generic aftermarket substitute.
Does AUC20538 replace John Deere AUC18452?
Yes. John Deere lists AUC20538 as the substitute for the earlier AUC18452 PTO clutch.
What Warner clutch is associated with AUC20538?
The related commercial Warner replacement family is Warner 5228-80. Warner associates 5228-80 with the earlier John Deere AUC18452 / AUC18216 path.
Does AUC20538 fit a John Deere Z970R?
Yes, this seller specifically lists AUC20538 for select John Deere Z970R 72-inch Mid-Z deck applications. Verify the original clutch number and mower serial information before ordering.
Does AUC20538 fit a John Deere Z960M?
Yes, the seller lists AUC20538 for select John Deere Z960M applications, including 60-inch Mid-Z deck configurations. Confirm your mower's original clutch number before purchase.
Does AUC20538 fit a John Deere Z950R?
Yes, the seller specifically lists this clutch for select John Deere Z950R 60-inch Mid-Z deck applications.
Does AUC20538 fit a John Deere Z950M?
Yes, this clutch is seller-listed for select John Deere Z950M 60-inch Mid-Z deck applications. Other deck configurations can use different clutch paths, so verify the original part number and deck configuration.
What bore size is associated with this clutch family?
The related Warner 5228-80 commercial clutch uses a 1-1/8-inch / 1.125-inch crankshaft bore.
What pulley diameter is associated with Warner 5228-80?
Warner publishes a 6.845-inch pulley / flange outside diameter for the 5228-80 commercial clutch.
What is the Warner 5228-80 clutch torque rating?
Warner rates the 5228-80 commercial clutch at 225 ft-lb. This is the clutch's torque capacity and is not the mounting-bolt tightening specification.
Is this a genuine John Deere clutch?
Yes. The linked eBay product is listed as a genuine OEM John Deere AUC20538 clutch by a factory-authorized dealer.
Can I order this clutch based only on having a Z970R or Z950M?
No. Match the original clutch number and verify the mower serial number and deck configuration. John Deere used different clutch configurations across commercial ZTrak applications.
Prefer the Warner manufacturer-number path? See the Warner 5228-80 / AUC18452 PTO clutch listing.
Getting ready to install your PTO clutch? Read the PTO Clutch Installation Guide for removal, crankshaft preparation, mounting-bolt torque guidance, wiring checks, burnishing, and final torque verification.
Need another John Deere clutch? Browse the John Deere PTO clutch collection or the full electric PTO clutch catalog.