Spindle Assembly 918-04134D / 618-04134D for MTD 46-Inch Deck

Overview

This aftermarket 918-04134D / 618-04134D spindle assembly is a replacement-style mower deck spindle assembly for select MTD, Yard Machines, Yard-Man, Troy-Bilt, Huskee, White Outdoor, and related 46-inch mower deck applications.

Choose the 1-pack, 2-pack, or 3-pack option that matches your repair. Match your original spindle number before ordering.

Key Features

• Aftermarket replacement-style mower deck spindle assembly
• Product Type: Spindle Assembly
• Lead Spindle Numbers: 918-04134D, 618-04134D
• Also Replaces: 918-04134, 918-04134A, 918-04134B, 918-04134C, 618-04134, 618-04134A, 618-04134B, 618-04134C
• Aftermarket Cross-Reference: Stens 285-748
• Common Deck Reference: 46 inch

Compatible Brands & Model Series

This 918-04134D / 618-04134D spindle assembly is associated with select MTD-built 46-inch mower deck applications using the listed spindle replacement path.

Common model references include:

• MTD LT5 and RT99 with 46-inch deck
• Yard Machines LT5 and RT99 with 46-inch deck
• Yard-Man LT5 and RT99 with 46-inch deck
• MTD 13A4616H790 LT-946H
• MTD 13AN775H790 LT-546G
• MTD 13AN795H790 LT-546H
• MTD 13AP606H790 LT-946G
• MTD 13AX60KH011, 13AX60KH066, and 13AX60KH211 Super Bronco
• MTD 13AX79TH090 LT-4600H
• Related MTD-built 46-inch deck applications where the original spindle number matches 918-04134D, 618-04134D, or related replacement numbers

Verify your part numbers before ordering.

Replaces OEM Part Numbers

• MTD: 918-04134D, 918-04134C, 918-04134B, 918-04134A, 918-04134, 618-04134D, 618-04134C, 618-04134B, 618-04134A, 618-04134
• Yard Machines / Yard-Man / Troy-Bilt / Huskee / White Outdoor: 918-04134D, 618-04134D and related 918-04134 / 618-04134 supersession path
• Stens: 285-748

Spindle Specifications

• Spindle Numbers: 918-04134D, 618-04134D
• Length: 185 mm / 7.3 inches
• Width: 136.1 mm / 5.4 inches
• Height: 136.1 mm / 5.4 inches
• Pulley Included: No
• Common Deck Reference: 46 inch

Need the Complete 46-Inch Spindle Set?

This single-spindle listing is for the 918-04134D / 618-04134D spindle path. If your deck uses one main spindle and two outer spindles, see the 3-pack MTD 46-inch spindle kit.

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 housing, shaft, or bearing area is worn or damaged
• Original spindle number matches 918-04134D, 618-04134D, or related 918-04134 / 618-04134 numbers

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 spindle part-number path
• Clean 1-pack, 2-pack, and 3-pack options for the same spindle assembly
• Clear MTD, Yard Machines, Yard-Man, Troy-Bilt, Huskee, and White Outdoor 46-inch deck replacement path
• 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 MTD spindle assembly?

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

What are the lead spindle numbers for this listing?

The lead spindle numbers are 918-04134D and 618-04134D. This listing also references the earlier 918-04134 and 618-04134 versions.

What quantity options are available?

This listing is available as a 1-pack, 2-pack, or 3-pack of the same spindle assembly.

Does this spindle include the pulley?

Supplier data says this spindle comes without pulley. Confirm the selected product image before checkout if pulley inclusion matters.

Does this fit MTD LT5 and RT99 46-inch decks?

This spindle path is associated with MTD, Yard Machines, and Yard-Man LT5 and RT99 models with 46-inch decks. Match your original spindle number before ordering.

Is Stens 285-748 the same replacement path?

285-748 is the Stens aftermarket cross-reference for this spindle assembly path.

Can I order by mower model or deck size only?

No. Mower model and deck size alone are not enough. Match the original spindle number first, then confirm spindle height, mounting pattern, pulley setup, blade mount, hardware, and belt routing before ordering.