4678300 PTO Clutch Replacement for Ariens & Gravely | Replaces Warner 5219-161

Overview

This Ariens PTO clutch 4678300 replacement also replaces OEM part number 04678300. Designed for an exact OEM-spec fit on Ariens and Gravely zero-turn mower platforms, this electric PTO clutch delivers smooth blade engagement, consistent torque transfer, and reliable long-term performance.

Commonly used on Ariens Ikon-X, Ikon-XD, Ikon-XL, and Zoom XL series, as well as Gravely ZT XL and ZTX platforms, this clutch provides dependable PTO engagement for both residential and light-commercial mowing applications.

Built with a 7.00-inch pulley diameter, 1-inch crankshaft bore, and CCW rotation, this clutch is engineered for reliable operation at engine speeds up to 3600 RPM. High-temperature bearings and an encapsulated electromagnetic coil help ensure consistent performance and long service life under load.

Key Features

• Direct OEM replacement electric PTO clutch assembly
• Pulley Diameter: 7.00 inches
• Crankshaft Size: 1 inch
• Rotation: CCW (counter-clockwise)
• Operating Speed: Up to 3600 RPM
• Torque Rating: 125 ft-lbs
• 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 Ariens and Gravely zero-turn mower platforms using the same OEM specification.

• Ariens Ikon Series: Ikon-X 42/52, Ikon-XD 42/52/60, Ikon-XL 42/52/60
• Ariens Zoom XL: 42, 48, 54
• Gravely ZT XL: 42, 48, 52, 54, 60
• Gravely ZTX Series: 42, 52, 60

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

Replaces OEM Part Numbers

• 4678300
• 04678300

Aftermarket Cross-Reference Numbers

• Warner: 5219-161
• STENS: 255-196X

What’s Included

• Complete electric PTO clutch assembly
• Factory-balanced 7.00" 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
• Trusted replacement supplier for homeowners and professionals

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