GYZJ Electric PTO Clutch for GY20108 GY20652 GY20878 GY21340 — 1-inch crankshaft, 6.15-inch pulley, 105 ft‑lb

GYZJ Electric PTO Clutch is a pre-set, direct-replacement PTO clutch designed to fit select Scotts and John Deere lawn tractors, delivering 105 ft‑lb torque with a 1-inch crankshaft and 6.15-inch pulley for reliable implement engagement.

If your lawn tractor’s PTO clutch needs replacing, this GYZJ unit is built to match OEM dimensions and part numbers so you can restore mower deck or attachment operation without complex adjustments. It replaces GY20108, GY20652, GY20878, GY21340, 5219-20, 5219-73 and X0424, and lists compatibility with common models such as Scotts L2048/L2548 and John Deere L120/L130/L2048/L2548, as well as G110 and D-series tractors. The clutch ships pre-set for easier installation and is engineered for counterclockwise rotation and heavy-duty torque output.

How will this PTO clutch fit my tractor and which part numbers does it replace?

This GYZJ clutch is made to match the form and function of several OEM units so it installs where the original clutch did. Confirm the OEM number on your old clutch or the fitment list to ensure compatibility before ordering.

• Replaces: GY20108, GY20652, GY20878, GY21340, 5219-20, 5219-73, X0424
• Common fits: Scotts L2048, L2548; John Deere L120, L130, L2048, L2548
• Also compatible with: G110, D140, D150, D160 series

What are the key mechanical specifications I should know?

Understanding the clutch dimensions and rotation prevents purchase mistakes and ensures correct installation. This model is specified for a 1-inch crankshaft and a 6.15-inch outer pulley diameter, rotates counterclockwise, and delivers 105 ft‑lb of torque to engage implements effectively.

• Crankshaft bore: 1.00 inch
• Pulley outer diameter: 6.15 inches
• Rotation: CCW (counterclockwise)
• Rated torque: 105 ft‑lb

Is installation difficult and will I need adjustments after mounting?

The GYZJ electric PTO clutch arrives pre-set and intended for straightforward replacement of compatible OEM units. Most users can bolt it in with standard tools and do not need to perform a final clutch adjustment, but basic mechanical ability is recommended and fitment verification is required prior to install.

• Pre-set assembly reduces or eliminates post-install adjustment
• Standard hand tools needed for mounting and belt alignment
• Check belt alignment and electrical connections after installation

What maintenance or compatibility checks should I perform before ordering?

To avoid returns and downtime, verify your tractor’s OEM part number and measure the crankshaft bore or pulley if needed. Inspect the wiring harness plug type and confirm the clutch rotation and torque match your application requirements.

• Compare the old clutch part number or physical measurements
• Confirm electrical connector type and wiring compatibility
• Verify counterclockwise rotation and 105 ft‑lb torque suit your implements

Who this is for: This GYZJ Electric PTO Clutch is aimed at homeowners, landscapers, and small‑engine mechanics replacing worn or failed PTO clutches on compatible Scotts and John Deere lawn tractors and attachments. If you need an OEM‑matched replacement with clear specifications (1" crankshaft, 6.15" pulley, CCW rotation, 105 ft‑lb torque) and prefer a unit that arrives pre-set for simpler installation, this clutch is a practical choice. Always confirm fitment with your tractor model and OEM part number before purchasing.