Aeagle PTO Clutch 505287301 replacement for John Deere & Husqvarna — 1" shaft, 5.45" pulley, 125 ft·lb torque

The Aeagle 505287301 PTO clutch is a direct-fit replacement clutch assembly compatible with John Deere AM126100, Husqvarna/AYP/Dixon models and multiple lawn tractor platforms.

If your mower’s PTO clutch has failed or shows slipping, the Aeagle 505287301 offers the correct dimensions and torque rating to restore blade engagement on a wide range of tractors. This replacement is built to match key specs—1" crankshaft, 5.45" pulley outer diameter, 125 ft·lb torque rating and compatibility with 1/2" or 5/8" belts—so you can install with confidence when the OEM number on your machine matches one of the covered part references.

Which tractors and part numbers does this clutch fit?

This clutch covers many model families across John Deere, Husqvarna, AYP, Dixon and related brands. It is meant to substitute the OEM numbers listed in the compatibility table and fits a variety of LX, GT, RZ, GX and LT model lines produced around the indicated years.

• John Deere: compatible with AM126100 and multiple LX, GT, GX and SST models (e.g., LX266, GT225, LX288).
• Husqvarna/AYP: replaces 505287301 on RZ, LSZ and EZ series machines (e.g., RZ4623, RZ4219).
• Dixon and RAM/ZTR machines: cross-references include several RAM and SPEED ZTR part numbers.
• Also fits Warner clutch references: 5219-1, 5219-108, 5219-8 and related variants.

How do the clutch specifications affect performance?

Knowing the mechanical specs ensures the replacement will engage correctly and withstand typical mowing loads. The Aeagle clutch provides the pulley diameter, shaft size and torque capacity needed to match OEM performance and belt alignment.

• Crankshaft bore: 1"—matches standard spindle shafts used on many tractors.
• Pulley OD: 5.45"—keeps belt path and tension like the original setup.
• Rated torque: 125 ft·lb—suitable for typical cutting loads on the listed models.
• Belts supported: 1/2" or 5/8"—compatible with common deck belt sizes.

What should I check before buying and installing?

Confirming fitment and basic condition checks prevents returns and ensures safe operation. Verify the OEM part number from your existing clutch and inspect mounting hardware, belt condition and shaft wear prior to installation.

• Compare the part number stamped on the old clutch (e.g., 287301, 505287301, AM126100, 5219-1).
• Measure the shaft diameter and confirm a 1" fit to the crankshaft or spindle.
• Check pulley diameter and belt width to match the 5.45" OD and 1/2" or 5/8" belts.
• Replace worn belts, pulleys or mounting bolts when installing the new clutch.

How difficult is the installation and what tools are needed?

Installation is straightforward for anyone comfortable with small-engine maintenance and basic hand tools. You’ll need standard wrenches, a socket set, possibly a puller for the old clutch, and a torque wrench to secure the new unit to recommended fastener specifications.

• Tools: sockets, wrenches, clutch puller (if required), torque wrench.
• Time: typically 30–90 minutes depending on access and whether belts or pulleys are replaced.
• Safety: disconnect battery and follow manufacturer safety steps before servicing the PTO system.

Who is this for: The Aeagle 505287301 clutch suits homeowners, landscapers and small-property maintenance crews who need a reliable OEM-compatible PTO clutch for John Deere, Husqvarna, AYP, Dixon and related mower models. Choose this unit if your tractor’s part number matches the cross-reference list and you want a specification-matched replacement to restore safe blade engagement and belt alignment.