Spindle Assembly 111726 with 110146 Pulley for Toro 42/48-Inch Deck

Overview

This aftermarket 111726 spindle assembly with 110146 pulley is a replacement-style mower deck spindle and pulley package for select Toro rear-discharge and side-discharge mower deck applications.

Key Features

• Aftermarket replacement-style spindle and pulley package
• Product Type: Spindle Assembly
• Lead Spindle Number: 111726
• Also Replaces: 110172, 822327
• Related Housing Reference: 114568
• Related Spindle Shaft Reference: 108-8527
• Spindle Pulley Number: 110146
• Common Deck References: 36 inch, 37 inch, 42 inch, and 48 inch
• Built around select Toro 300 / 400 Series, XT-Series, rear-discharge, and side-discharge deck applications
  

Compatible Brands & Model Series

This 111726 / 110146 spindle and pulley package is associated with select Toro mower deck applications using the listed spindle and pulley path.

Supplier model references include:

• Toro 05-36MR03, 36-inch deck for 300 and 400 Series, 1985
• Toro 05-36MR04, 36-inch deck, 1986 through 1990
• Toro 05-37SC01, 37-inch deck, 1986 through 1989
• Toro 05-37SC02, 37-inch deck, 1990
• Toro 05-42MR03, 42-inch deck for 300 and 400 Series, 1985
• Toro 05-42MR04, 42-inch deck, 1986 through 1988
• Toro 05-42MS04, 42-inch deck for 300 and 400 Series, 1985
• Toro 05-42MS05, 42-inch deck, 1986 through 1987
• Toro 05-48MS04, 48-inch deck for 300 and 400 Series, 1985
• Toro 05-48MS05, 48-inch deck, 1986 through 1987
• Toro 05-48SC01, 48-inch deck, 1987 through 1988
• Toro 15-42RC01, 42-inch deck, 1989
• Toro 15-42SC01, 42-inch deck, 1989
• Toro 15-42SC02, 42-inch deck, 1990
• Toro 15-42SC03, 42-inch deck, 1991, serial 1000001 to 1999999
• Toro 15-48SC01, 48-inch deck, 1989
• Toro 15-48SC02, 48-inch deck, 1990
• Toro 15-48SC03, 48-inch deck, 1991 through 1992, serial 1000001 to 2999999
• Toro 78290, 48-inch XT-Series garden tractor deck reference
• Toro 78295, 122 cm XT-Series garden tractor deck reference
• Toro 78345, 42-inch deck, 1993
• Toro 78360, 48-inch deck, 1993 through 1994

Verify your part numbers before ordering.

Replaces OEM Part Numbers

• Toro Spindle Assembly Numbers: 111726, 110172, 822327
• Related Housing Reference: 114568
• Related Spindle Shaft Reference: 108-8527
• Toro Spindle Pulley Number: 110146

Spindle Specifications

• Spindle Numbers: 111726, 110172, 822327
• Width: 101 mm / 3.97 inches
• Height: 101 mm / 3.97 inches
• Length: 188 mm / 7.40 inches
• Grease Fitting: Yes on common aftermarket replacement data
• Deck Size References: 36 inch, 37 inch, 42 inch, and 48 inch
• Application Note: Confirm spindle housing style, shaft setup, mounting pattern, pulley fit, and belt routing before ordering

Pulley Specifications

• Spindle Pulley Number: 110146
• Outer Diameter: 122.5 mm / 4.82 inches
• Inner Diameter: 15.8 mm / 0.62 inch
• Width: 12.5 mm / 0.49 inch
• Height: 29 mm / 1.14 inches
• Pulley Note: Match the pulley number, bore, outer diameter, groove style, and belt path before ordering.

What’s Included

• 1 aftermarket replacement-style spindle assembly replacing 111726 / 110172 / 822327
• 1 spindle pulley replacing 110146
• 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
• Original spindle or pulley 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, housing, shaft, and pulley references in one fixed package
• Built around the lead Toro spindle number instead of loose marketplace keyword data
• 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 assembly?

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

What is the lead spindle number for this listing?

The lead spindle assembly number is 111726. This listing also references 110172 and 822327 in the same spindle replacement path.

Is 108-8527 a complete spindle assembly number?

No. 108-8527 is a spindle shaft reference. Keep it in the related shaft bucket and use 111726 as the complete spindle assembly lead.

Is 110146 a spindle number?

No. 110146 is the spindle pulley number and should stay in the pulley bucket.

Does this listing have multiple package options?

No. This is one fixed package that includes 1 spindle assembly and 1 spindle pulley.

Does this fit Toro 42-inch and 48-inch decks?

This spindle and pulley path is associated with select Toro 36-inch, 37-inch, 42-inch, and 48-inch rear-discharge and side-discharge deck applications. Match your original spindle and pulley numbers 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, mower model, deck layout, mounting pattern, shaft setup, and belt routing before ordering.