GYZJ Electric PTO Clutch for John Deere X300/X304/X530/X534/X540 & Eztrak Z425 — 1.00 inch bore, 5.625 inch pulley

GYZJ electric PTO clutch replaces John Deere AM134397/AM141536 to restore deck engagement on X300, X304, X530, X534, X540 and Eztrak Z425 mowers.

This heavy-duty replacement PTO clutch from GYZJ is engineered to match the fit and basic specifications of common John Deere electric clutches, making it a direct-fit option for a variety of residential and light-commercial lawn tractors. Designed with a 1-inch crankshaft bore, 5.625-inch pulley outer diameter, and a counterclockwise rotation, the unit delivers the same mounting interfaces and general torque rating you expect from OEM-style clutches. It ships pre-set for easier installation, but always verify OEM numbers and measurements before ordering to ensure compatibility.

Will this clutch fit my John Deere X300-series or Eztrak Z425?

Compatibility depends on the clutch dimensions and OEM part number. GYZJ lists this clutch as fitting John Deere X300, X300R, X304, X530, X534, X540 series and Eztrak Z425 models when those models use one of the replaced part numbers.

• Replaces AM134397, AM141536, 5219-62, 5219-87, X0383
• Designed for John Deere X300/X304/X530/X534/X540 and Eztrak Z425
• Confirm your mower’s existing part number before purchase

What are the key mechanical specifications of this PTO clutch?

The GYZJ clutch matches common OEM-style dimensions and rotation so pulley, shaft and mounting align. It features a 1-inch crankshaft bore, a 5.625-inch pulley outer diameter, and counterclockwise rotation with a rated torque around 125 ft-lb.

• Crankshaft bore: 1.00 inch
• Pulley outer diameter: 5.625 inches
• Rotation: CCW (counterclockwise)
• Torque: approximately 125 ft-lb

How easy is installation and what should I prepare?

The clutch arrives pre-set, reducing the need for on-deck adjustments after installation. Basic tools and safe mower lift practices are required; follow manufacturer torque specs for mounting hardware and reconnect electrical leads carefully.

• Ships pre-set — minimal clutch adjustment needed
• Requires standard hand tools and correct mounting bolts
• Disconnect battery and secure mower before installation
• Double-check alignment and electrical connections before testing

Are there any fitment tips or cautions I should know?

Always compare your existing clutch’s part number and physical measurements with the replacement to avoid surprises. This unit is made to replace the listed part numbers, but small variations in model years or aftermarket modifications can affect fit.

• Verify OEM part number on your original clutch first
• Measure shaft diameter and pulley OD to confirm match
• If unsure, consult your mower manual or a trusted technician

Who is this for: This GYZJ electric PTO clutch is aimed at homeowners, landscapers and small-property managers who need a direct-replacement clutch for compatible John Deere lawn tractors and Eztrak mowers. It’s suitable for users comfortable performing moderate mechanical work or those who have access to a local repair shop; recommended for anyone seeking a cost-effective aftermarket alternative that mirrors common OEM specifications while restoring deck engagement functionality.