917-04174 PTO Clutch Replacement for Cub Cadet, Columbia, Yard-Machines | Replaces 717-04174, 717-04174A, 946-04174A & More

Overview

This MTD PTO clutch 917-04174 replacement also replaces OEM part numbers 717-04174 and 717-04174A. Designed for an exact OEM-spec fit on MTD-built riding mowers, including Cub Cadet, Troy-Bilt, Columbia, Yard-Man, Bolens, Huskee, and White Outdoor platforms, this electric PTO clutch delivers smooth blade engagement, consistent torque transfer, and dependable long-term performance.

Need to confirm fitment before ordering? Use our fitment guide to view full model compatibility, cross-reference part numbers, and detailed application coverage.

Commonly used on MTD-built lawn tractors and zero-turn mowers with 42" to 54" cutting decks, this clutch provides reliable PTO engagement across a wide range of residential mowing applications.

Built with a 5.90-inch pulley diameter, 1-inch crankshaft bore, and CCW rotation, this clutch is engineered for reliable operation at engine speeds up to 3600 RPM. A 370°F thermal cutoff, encapsulated electromagnetic coil, and high-temperature bearings help ensure consistent performance under load.

Key Features

• Direct OEM replacement electric PTO clutch assembly
• Pulley Diameter: 5.90 inches
• Crankshaft Size: 1 inch
• Rotation: CCW (counter-clockwise)
• Operating Speed: Up to 3600 RPM
• 370°F Thermal Auto Cutoff for overheating protection
• Encapsulated electromagnetic coil for reliable engagement
• High-temperature bearings for consistent performance
• Fully assembled and ready to install

Compatible With These Brands & Model Series

This PTO clutch fits a wide range of MTD-manufactured riding mower platforms using the same OEM specification.

• Cub Cadet: LT, LTX, SLT, and ZTT series models
• Troy-Bilt: Big Red and GT series lawn tractors
• MTD / Yard-Man / Yard Machines / Columbia: 42"–54" deck riding mowers
• Bolens / Huskee / White Outdoor / Ranch King: Models using matching OEM part numbers
• Craftsman: PYT9000 and related AYP/MTD-built units

Fitment can vary by configuration and production year. Always confirm your part number matches one of the numbers listed below.

Replaces OEM Part Numbers

• 917-04174
• 717-04174
• 717-04174A
• 917-04174A
• 746-04174
• 746-04174A
• 946-04174A

Aftermarket Cross-Reference Numbers

• Warner: 5219-51, 5219-79
• Oregon: 33-134, 33-104
• STENS: 255-289, 255-297, 255-839, 255-855

Expanded part number cross reference cluster in the fitment guide.

What’s Included

• Complete electric PTO clutch assembly
• Factory-balanced 5.90" pulley
• Pre-installed high-temperature bearings
• Encapsulated electromagnetic coil
• Plug-and-play wiring connector

Why Buy From PTO Direct USA?

• Fast USA shipping
• OEM-spec fitment guarantee
• 1-year warranty
• Premium PDS-1 product images for easy identification
• Trusted replacement supplier for homeowners and professionals

Need a different fitment? Browse the full electric PTO clutch catalog to see all available replacement options.