Spindle Assembly 607407P / 604255 for Hustler X-One Super Z
Overview
This aftermarket 607407P / 604255 spindle assembly is a replacement-style mower deck spindle assembly for select Hustler commercial mower deck applications.
This listing is organized around the 607407P / 604255 spindle path. Some package options may include a deck drive pulley, but the lead replacement path is the spindle assembly.
Key Features
- Aftermarket replacement-style mower deck spindle assembly
- Product Type: Spindle Assembly
- Lead Part Numbers: 607407P, 604255
- Also Replaces: 607407
- Common Deck References: 54 inch, 60 inch, and 72 inch deck paths appear across this spindle family
- Optional package variants may include the 770842 deck drive pulley
- Organized by spindle or mandrel part number first to reduce fitment confusion
Compatible Brands & Model Series
This 607407P / 604255 spindle assembly is used on select Hustler commercial mower deck applications. Match your original spindle number before ordering, especially when comparing deck size, discharge style, and serial-range differences.
Hustler model-series references include:
- X-One and RD X-One mower deck applications
- Super Z and Super Z HD mower deck applications
- Super S mower deck applications
- Diesel Z and RD Diesel Z mower deck applications
- ATZ mower deck applications
- Super 104 mower deck applications
Verify your part numbers before ordering.
Replaces OEM Part Numbers
- Hustler: 607407P, 607407, 604255
Aftermarket Cross-Reference Numbers
- Stens: 285-926
- Universal Bearing Reference: 6206-2RST
Optional Package Part Number Breakdown
Part numbers below may apply to available package options. Not every package includes every component listed. Select the option that matches the parts needed for your repair.
- Spindle / Mandrel Numbers: 607407P, 607407, 604255
- Aftermarket Spindle Cross-Reference: 285-926
- Bearing Reference: 6206-2RST
- Deck Drive Pulley Number: 770842
Single Spindle Specifications
- Spindle Part Number: 607407P
- Also Replaces: 607407, 604255
- Spindle Style: Ductile spindle assembly
- Deck Size References: 54 inch, 60 inch, and 72 inch deck paths
Optional Package Component Specifications
The following specification applies to optional package variants that include the deck drive pulley.
- Deck Drive Pulley Number: 770842
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
- Deck drive pulley is worn, damaged, or no longer tracking the belt correctly
- Original spindle number matches 607407P, 607407, or 604255
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 references for package variants
- 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 Hustler spindle assembly?
No. This is an aftermarket replacement-style spindle assembly intended to replace the listed Hustler part-number path when the physical fitment details match.
What are the lead part numbers for this listing?
The lead spindle numbers are 607407P and 604255. This listing also references 607407 in the same spindle path.
Is 770842 a spindle number?
No. 770842 is a deck drive pulley number. It should not be listed as a spindle or mandrel replacement number.
Do all package options include the 770842 pulley?
No. Package contents vary by selected option. Use the variant title and product images to confirm whether you are ordering a single spindle assembly or a spindle and pulley package.
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, mounting pattern, discharge style, and serial range before ordering.