Spindle Assembly 119-8598 with Pulley and Blade for Toro Z Master 72-Inch Deck

Overview

This aftermarket 119-8598 / 110-3933 spindle assembly kit is a replacement-style mower deck repair package for select Toro Z Master 72-inch zero-turn mower deck applications.

This is one fixed package that includes 1 spindle assembly, 1 spindle pulley, and 1 high-lift mower blade. Match your original spindle number, pulley number, and blade number before ordering.

Key Features

• Aftermarket replacement-style spindle, pulley, and blade package
• Product Type: Spindle Assembly
• Lead Spindle Number: 119-8598
• Also Replaces: 110-3933
• Spindle Pulley Number: 107-7678
• High-Lift Blade Number: 105-7784-03
• Common Deck Reference: 72 inch
• Built around Toro Z Master 72-inch side-discharge deck applications
• Organized by spindle, pulley, and blade part type to reduce fitment confusion

Compatible Brands & Model Series

This 119-8598 / 110-3933 spindle assembly kit is associated with select Toro Z Master 72-inch side-discharge deck applications using the listed spindle, pulley, and blade paths.

Supplier model references include:

• Toro 74269, Z 590-D Z Master, 72-inch side-discharge deck, serial 280000001 to 280999999
• Toro 74269, Z 590-D Z Master, 72-inch side-discharge deck, serial 290000001 to 290999999
• Toro 74269, Z 597-D Z Master, 72-inch side-discharge deck, serial 270000001 to 270000300
• Toro 74269, Z 597-D Z Master, 72-inch side-discharge deck, serial 270000301 to 270999999

Verify your part numbers before ordering.

Replaces OEM Part Numbers

• Toro Spindle Assembly Numbers: 119-8598, 110-3933
• Toro Spindle Pulley Number: 107-7678
• Toro High-Lift Blade Numbers: 105-7784, 105-7784-03

Important Part Number Notes

• 119-8598 is the lead spindle assembly number for this listing.
• 110-3933 is an earlier Toro spindle assembly number in this replacement path.
• 107-7678 is a spindle pulley number and should not be listed as a spindle assembly number.
• 105-7784-03 is a high-lift blade number and should stay in the blade bucket.

Spindle Specifications

• Spindle Numbers: 119-8598, 110-3933
• Spindle Height: 194 mm / 7.64 inches
• Outer Diameter: 238 mm / 9.37 inches
• Mounting Hole Distance: 203 mm / 7.99 inches
• Deck Size Reference: 72 inch
• Application Note: Confirm spindle housing style, mounting pattern, pulley setup, blade hardware, serial range, and belt path before ordering

Pulley Specifications

• Spindle Pulley Number: 107-7678
• Pulley Width: 23.5 mm / 0.93 inch
• Inner Diameter: 48 mm / 1.89 inches
• Outer Diameter: 203 mm / 7.99 inches

Blade Specifications

• Blade Numbers: 105-7784, 105-7784-03
• Blade Style: High-lift mower blade
• Blade Length: 619.1 mm / 24.38 inches
• Common Length Reference: 24.5 inches
• Blade Width: 63.95 mm / 2.52 inches
• Blade Thickness: 7.01 mm / 0.276 inch
• Center Hole: 16.19 mm / approximately 5/8 inch
• Deck Size Reference: 72 inch when used as a 3-blade deck path

What’s Included

• 1 aftermarket replacement-style spindle assembly replacing 119-8598 / 110-3933
• 1 spindle pulley replacing 107-7678
• 1 high-lift mower blade replacing 105-7784 / 105-7784-03
• Use the product image to confirm exact contents before checkout

Common Symptoms / When to Replace

• Mower deck spindle is noisy, loose, seized, or wobbling
• Blade has excessive play at the spindle shaft
• Deck vibration increases during blade engagement
• Spindle pulley is worn, damaged, bent, or no longer tracking the belt correctly
• Blade is bent, worn, dull, or no longer cutting evenly
• Original spindle, pulley, or blade number matches the listed Toro replacement path

Quick Ship Fulfillment

This item may ship directly from one of our trusted U.S. distribution partners to help reduce transit time. Packaging, labeling, or warehouse origin may vary, but the part will match the replacement numbers, fitment notes, and specifications shown in this listing.

Why Buy From PTO Direct USA

• Fitment-first product organization by replacement part-number path
• Clear spindle, pulley, and blade references in one fixed package
• U.S.-focused fulfillment options for faster delivery when available

Need a Custom Package?

Need a different combination of parts? Email us the part type and part numbers you need, such as spindle assemblies, blades, belts, pulleys, reinforcement rings, bearings, or hardware. We can review the part-number path and quote a custom package when available.

FAQ

Is this an OEM Toro spindle kit?

No. This is an aftermarket replacement-style spindle, pulley, and blade package intended to replace the listed Toro part-number path when the physical fitment details match.

What are the lead part numbers for this listing?

The lead spindle numbers are 119-8598 and 110-3933. This package also includes pulley number 107-7678 and blade number 105-7784-03.

Is 107-7678 a spindle number?

No. 107-7678 is a spindle pulley number and should stay in the pulley bucket.

Is 105-7784-03 a spindle number?

No. 105-7784-03 is a high-lift mower blade number and should stay in the blade bucket.

Does this listing have multiple package options?

No. This is one fixed package that includes 1 spindle assembly, 1 spindle pulley, and 1 high-lift mower blade.

Does this fit Toro Z Master 72-inch decks?

This package is associated with select Toro Z Master 72-inch side-discharge deck applications, including 74269 Z 590-D and Z 597-D references. Match your original part numbers and serial range before ordering.

Can I order by deck size only?

No. Deck size alone is not enough. Match the original spindle number first, then confirm pulley number, blade number, mower model, serial range, mounting pattern, blade center hole, and belt routing before ordering.