Toro 117-3869 PTO Clutch Replacement for Z Master Z500, Z588E

Overview

This Toro 117-3869 PTO clutch replacement is an aftermarket electric PTO clutch for select Toro Z Master commercial mower applications, including specific Z Master Z500 and Z Master Z588E serial-number ranges.

This clutch replaces Toro 117-3869 and cross-references Xtreme X0465 and Stens 255-091X.

Built with a 1-1/8 inch crankshaft bore, 7.35 inch pulley diameter, and clockwise rotation, this clutch is designed to restore reliable mower deck blade engagement when matched to the correct Toro model, serial range, pulley geometry, and original clutch number.

Key Features

• Aftermarket electric PTO clutch replacement for listed Toro Z Master commercial mowers
• Crankshaft Bore: 1-1/8" / 1.125"
• Pulley Diameter: 7.35"
• Rotation: CW from pulley side
• 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 310000001 to 311999999
• Toro Z Master Z588E: serial number 240000001 to 260999999

Serial number note: Do not choose this clutch by model number alone. If your original clutch is marked Toro 117-3869, Xtreme X0465, or Stens 255-091X, this is the correct replacement path. However, carefully match specs if relying on model information alone.

Replaces OEM Part Numbers

• Toro: 117-3869

Fitment note: Toro Z Master commercial mower fitment is serial-specific. Confirm your original clutch label, serial number, 1-1/8 inch bore, 7.35 inch pulley diameter, clockwise rotation, and wiring connector before ordering.

Cross-Reference Aftermarket Numbers

• Xtreme: X0465
• Stens: 255-091X

What’s Included

• Complete electric PTO clutch assembly
• Factory-balanced 7.35" 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 117-3869 fit a Z Master Z500?

Yes, this clutch fits select Toro Z Master Z500 applications with serial number 310000001 to 311999999. Confirm your original clutch number and specs before ordering.

Does Toro 117-3869 fit a Z Master Z588E?

Yes, this clutch is listed for select Toro Z Master Z588E applications with serial number 240000001 to 260999999. Match the original clutch number and physical specs before ordering.

Is Xtreme X0465 the same fitment as Toro 117-3869?

Xtreme X0465 is an aftermarket cross-reference for the Toro 117-3869 PTO clutch family.

Is Stens 255-091X the same fitment as Toro 117-3869?

Stens 255-091X is an aftermarket cross-reference associated with the Toro 117-3869 clutch path.

What bore size does Toro 117-3869 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 7.35 inch pulley diameter. Pulley diameter matters on commercial mower decks because it affects belt alignment, belt tension, and blade drive 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.