TCA21167 PTO Clutch Replacement for John Deere ZTrak | Replaces TCA20604

Overview

This John Deere PTO clutch TCA21167 replacement also replaces OEM part number TCA20604. Designed for an exact OEM-spec fit on John Deere ZTrak and commercial zero-turn mower platforms, this electric PTO clutch delivers smooth blade engagement, strong torque transfer, and reliable performance under demanding mowing conditions.

Commonly used on John Deere Z700, Z800, and Z900 Series zero-turn mowers, this clutch provides dependable PTO engagement for commercial cutting applications where consistent performance is critical.

Built with a 6.61-inch pulley diameter, 1-1/8 inch crankshaft bore, and CCW rotation, this clutch is engineered for reliable operation at engine speeds up to 3600 RPM. A 370°F thermal auto cutoff, encapsulated electromagnetic coil, and high-temperature bearings ensure stable performance across extreme operating conditions.

Key Features

• Direct OEM replacement electric PTO clutch assembly
• Pulley Diameter: 6.61 inches
• Crankshaft Size: 1-1/8 inch
• Rotation: CCW (counter-clockwise)
• Operating Speed: Up to 3600 RPM
• 370°F Thermal Auto Cutoff prevents overheating damage
• Encapsulated coil and high-temperature bearings for commercial-duty performance
• Fully assembled and ready to install

Compatible With These Brands & Model Series

This PTO clutch fits John Deere commercial zero-turn mower platforms using the same OEM specification.

• John Deere Z700 Series: Z710A, Z720A
• John Deere Z800 Series: Z810A, Z820A
• John Deere Z900 Series: Z910A, Z920A, Z925A

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

Replaces OEM Part Numbers

• TCA21167
• TCA20604

Aftermarket Cross-Reference Numbers

• Warner: 5218-271
• Xtreme: X0269, X0269-K

What’s Included

• Complete electric PTO clutch assembly
• Factory-balanced 6.61" 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 by commercial operators and professionals nationwide

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