Spindle Assembly 918-06993A / 918-06993 for Cub Cadet MTD Troy-Bilt 54-Inch Deck
Spindle Assembly 918-06993A / 918-06993 for Cub Cadet MTD Troy-Bilt 54-Inch Deck
Overview
This aftermarket 918-06993A spindle assembly with pulley is a replacement-style mower deck spindle assembly for select Cub Cadet, MTD, and Troy-Bilt 54-inch zero-turn mower deck applications.
Supplier listing data associates this spindle path with Cub Cadet Z-Force 54-inch decks, MTD Z8200/Z8400 54-inch decks, and select Troy-Bilt Mustang XP 54-inch applications.
Verify your part numbers before ordering.
Key Features
- Aftermarket replacement-style mower deck spindle assembly with pulley
- Product Type: Spindle Assembly
- Lead Part Number: 918-06993A
- Common Deck Reference: 54 inch
- Pulley Outer Diameter: 5.73 inches
- Pulley Width: 0.72 inch
- Organized by spindle or mandrel part number first to reduce fitment confusion
Compatible Brands & Model Series
Supplier listing data associates this 918-06993A spindle assembly with pulley with the following 54-inch mower deck applications.
Cub Cadet Z-Force model references found in supplier data include:
- Cub Cadet Z-Force L54, 54-inch deck, 2014-2018
- Cub Cadet Z-Force LX54, 54-inch deck, 2016-2019
- Cub Cadet Z-Force LZ54, 54-inch deck, 2014-2015
- Cub Cadet Z-Force S54, 54-inch deck, 2016-2022
- Cub Cadet Z-Force SX54, 54-inch deck, 2016-2021
- Cub Cadet Z-Force SZ54, 54-inch deck, 2014-2015
MTD model references found in supplier data include:
- MTD Z8200, 54-inch deck, 2017
- MTD Z8400, 54-inch deck, 2015-2019
Troy-Bilt model references found in supplier data include:
- Troy-Bilt 17ANDALC011 Mustang XP, 54-inch deck, 2016-2017
Verify your original spindle number before ordering.
Replaces OEM Part Numbers
- Cub Cadet / MTD / Troy-Bilt: 918-06993A, 918-06993, 618-06993A, 618-06993
Specifications
- Spindle Length: 226.5 mm / 8.92 inches
- Spindle Width: 145.7 mm / 5.73 inches
- Spindle Height: 145.7 mm / 5.73 inches
- Mounting Bolt Size: 90.7 mm / 3.57 inches
- Pulley Outer Diameter: 145.7 mm / 5.73 inches
- Pulley Width: 18.5 mm / 0.72 inch
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
- Pulley is worn, damaged, or no longer tracking the belt correctly
- Original spindle number matches 918-06993A, 918-06993, 618-06993A, or 618-06993
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 and pulley specifications to help reduce ordering errors
- U.S.-focused fulfillment options for faster delivery when available
Need Help Confirming Fitment?
Send us your mower model number, deck size, and the part number stamped on your original spindle or mandrel assembly. We can help confirm whether this is the correct replacement path.
FAQ
Is this an OEM Cub Cadet, MTD, or Troy-Bilt 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 part numbers does this spindle replace?
Supplier listing data references 918-06993A, 918-06993, 618-06993A, and 618-06993.
Does this spindle include the pulley?
Supplier listing data describes this item as a deck spindle with pulley. Verify the product image and part-number details before checkout.
Can I order by deck size only?
No. Deck size alone is not enough. Match the original spindle or mandrel number and confirm your mower model, deck setup, pulley layout, and belt path before ordering.