Toro 110-0449 PTO Clutch Replacement for Z Master Z500, Z528 | Warner 5218-270

Overview

This Toro 110-0449 PTO clutch replacement is an aftermarket electric PTO clutch for select Toro Z Master commercial mower applications, including Z Master Z500 and Z Master Z528 models within specific serial ranges.

This clutch replaces Toro 110-0449 and cross-references Warner 5218-270, Warner 5218-141, and Xtreme X0463.

Built with a 1-1/8 inch crankshaft bore, 7.15 inch pulley diameter, clockwise rotation, and pulley compatibility for 1/2 inch or 5/8 inch belts, this clutch is designed to restore reliable mower deck blade engagement when matched to the correct Toro model, serial range, and original clutch number.

Important fitment warning: This clutch fits specific Toro Z Master serial-number applications. Do not choose by mower model alone. Match your original clutch number, serial number, 1-1/8 inch bore, pulley diameter, rotation, and wiring connector before ordering.

Key Features

• Aftermarket electric PTO clutch replacement for listed Toro Z Master commercial mowers
• Crankshaft Bore: 1-1/8" / 1.125"
• Pulley Diameter: 7.15"
• Belt Width: accepts 1/2" or 5/8" belt
• Rotation: CW from pulley side
• Voltage: 12V DC
• Integrated brake assembly for controlled blade stopping
• Fully assembled and ready to install

Compatible Brands & Models

This PTO clutch fits select Toro Z Master commercial mower applications. Fitment depends on serial number, original clutch number, bore size, pulley diameter, rotation, and wiring connector.

Toro Z Master Applications

• Toro Z Master Z500: serial number 260000001 to 270999999
• Toro Z Master Z500: 52", 60", and 72" Turbo Force deck applications within the listed serial range
• Toro Z Master Z528: serial number 270000001 to 270999999

Serial number note: Do not choose this clutch by model number alone. If your original clutch is marked Toro 110-0449, Warner 5218-270, Warner 5218-141, or Xtreme X0463, this is the correct replacement path. However, carefully match specs if relying on model information alone.

Replaces OEM Part Numbers

• Toro: 110-0449

Fitment note: Toro Z Master commercial mower fitment is serial-specific. Confirm your original clutch label, serial number, 1-1/8 inch bore, 7.15 inch pulley diameter, clockwise rotation, and wiring connector before ordering.

Cross-Reference Aftermarket Numbers

• Warner: 5218-270
• Warner: 5218-141
• Xtreme: X0463

What’s Included

• Complete electric PTO clutch assembly
• Factory-balanced 7.15" pulley
• Pre-installed bearing assembly
• Encapsulated electromagnetic coil
• Integrated brake assembly
• Wiring lead and connector as shown in product photos

Why Buy From PTO Direct USA?

• Fast USA shipping
• fitment guarantee
• 1-year warranty
• Fitment-first product support
• Clear product images for easier clutch identification
• Trusted replacement supplier for homeowners, repair shops, and commercial mower operators

FAQ

Does Toro 110-0449 fit a Z Master Z500?

Yes, this clutch fits select Toro Z Master Z500 applications with serial number 260000001 to 270999999. Confirm your original clutch number before ordering.

Does Toro 110-0449 fit a Z Master Z528?

Yes, this clutch fits select Toro Z Master Z528 applications with serial number 270000001 to 270999999. Match the original clutch number and specs before ordering.

Is Warner 5218-270 the same fitment as Toro 110-0449?

Warner 5218-270 is a Warner cross-reference for the Toro 110-0449 clutch path.

Is Warner 5218-141 the same fitment as Toro 110-0449?

Warner 5218-141 is commonly associated with the Toro 110-0449 clutch path and may appear in older cross-reference data.

Is Xtreme X0463 the same fitment as Toro 110-0449?

Xtreme X0463 is an aftermarket cross-reference for the Toro 110-0449 PTO clutch family.

What bore size does Toro 110-0449 use?

This clutch uses a 1-1/8 inch bore, also written as 1.125". Confirm your crankshaft size before ordering.

What pulley diameter does this clutch use?

This clutch is listed with a 7.15 inch pulley diameter. Pulley diameter matters on commercial mower decks because it affects belt alignment and tension geometry.

What rotation does this clutch use?

This clutch uses clockwise rotation. Match rotation to your original clutch before installing a replacement.

What are common signs of a failing PTO clutch?

Common symptoms include mower blades not engaging, the PTO clutch clicking but the blades not spinning, slipping under load, intermittent blade engagement, or blades slowing down after the mower heats up. A worn coil can work cold, then weaken after 10 to 30 minutes of mowing.

Can PTO Direct USA help me confirm fitment?

Yes. Email support@ptodirectusa.com with your mower model number, serial number, deck size, original clutch number, and clear photos of the old clutch. For the best fitment help, include photos of the clutch label or stamped number, wiring connector, pulley, anti-rotation bracket, and crankshaft area.

Need installation help? Read the PTO clutch installation guide.

Need a different PTO clutch? Browse the full electric PTO clutch catalog.