GYZJ Electric PTO Clutch for Cub Cadet & Troy-Bilt 1" Crankshaft 6" Pulley CCW, 125 ft·lb

GYZJ Electric PTO Clutch is a direct-fit replacement PTO clutch compatible with Cub Cadet and Troy-Bilt models, engineered to restore reliable blade and deck engagement with a 1" crankshaft, 6" pulley, CCW rotation and 125 ft·lb torque.

If your mower's PTO clutch has failed or is slipping, this GYZJ electric clutch provides the same mounting, rotation and rated torque as the OEM parts it replaces. It is manufactured to match part numbers 717-04174, 917-04174, 5219-51 and related variants, making it a straightforward swap for many residential lawn tractors and garden tractors. The unit is pre-set at the factory so you can install and return to work with minimal adjustment.

Which machines will this PTO clutch fit?

This clutch is designed to fit a range of Cub Cadet and Troy-Bilt models that use the listed part numbers and specifications. Always verify your machine's OEM part number and check crankshaft size and pulley diameter before ordering to ensure compatibility.

• Fits Cub Cadet models: LT1042, LT1045, LT1046, LT1050, L1046, L1050, LTG1050, LTG1054.
• Compatible with Troy-Bilt Big Red models: GT54 and GT50.
• Replaces OEM numbers: 717-04174, 717-04174A, 917-04174, 917-04174A, 5219-51, 5219-64, 5219-79.
• Confirm: 1" crankshaft and 6" pulley OD with CCW rotation before purchase.

How hard is it to install the GYZJ PTO clutch?

Installation is straightforward for anyone comfortable with basic mower maintenance and wrenches. The clutch ships pre-set, so you typically bolt it on, attach the wiring, and verify engagement without complex adjustments.

• Pre-set coil tension removes the need for on-site adjustments.
• Mounts to a 1" crankshaft with standard keyway and router alignment.
• Use common hand tools; follow safety steps like battery disconnection.
• Electrical connection matches OEM style; test engagement before mowing.

What are the technical specs and performance limits?

This clutch mirrors OEM dimensions and performance to ensure proper deck speed and reliable engagement. It is rated for counter-clockwise rotation and designed to transmit up to 125 ft·lb of torque under load.

• Crankshaft bore: 1.00 inch (standard keyway compatible).
• Pulley outside diameter: 6.00 inches for belt alignment.
• Rotation: CCW (counter-clockwise) when viewed from the pulley side.
• Rated torque: 125 ft·lb for typical residential deck loads.

What should I check before ordering to avoid returns?

Measure and confirm the OEM part number and physical dimensions from your mower. Verify wiring polarity and harness compatibility if your model has an electronic connector rather than simple spade terminals.

• Compare existing part number to the listed replacements (717-04174, 917-04174, 5219-51, etc.).
• Confirm crankshaft diameter is 1" and the pulley OD is 6" for belt fitment.
• Ensure your machine uses CCW rotation clutches; clockwise models are different.
• Check for connector type and lead length to match your tractor harness.

Who this is for: This GYZJ electric PTO clutch is for homeowners and small-property operators who need a dependable, direct-replacement clutch for Cub Cadet and Troy-Bilt mowers. It’s suited to DIYers and technicians who want OEM-equivalent fit and rated torque without custom modification. If you require a different rotation direction, pulley size, or crankshaft bore, consult your mower manual or contact support before ordering.