Mack Granite Spindle
The Mack Granite Spindle is engineered to deliver unmatched durability, stability, and performance for Mack Granite dump trucks and other heavy-duty Mack models, including the S402R, S522R, S582, S652, and GR64BR.
Built to OEM specifications, this spindle ensures precise fitment, smooth operation, and long-lasting reliability. Made from high-strength forged steel, it withstands extreme payloads and harsh operating conditions, maintaining alignment and structural integrity.
Designed as a direct-fit replacement, this Mack Granite spindle offers a dependable solution to restore vehicle stability and reduce maintenance downtime.
| Type: | Drive Axle Spindle |
| Recommended Fit For: | Mack Granite and other heavy duty Mack axle models: S402R, S522R, S582, S652, and GR64BR. |
| Heat Treatment: | Yes |
| Weight: | |
| Warranty: | 1 year limited warranty |
| Compatible Parts: | Timken 555-S Bearings, Timken 552A Bearings, Timken 3782 Bearings, Timken 3720 Bearings, Mack Torqued locknut 25106338, Wheel Seals (42671, 43673, 392-9112, and 370031A) |
Description
Mack Granite dump trucks are known for their rugged durability and are designed to tackle the most demanding heavy-duty work. From hauling massive payloads to navigating rough construction sites, these trucks face constant high-stress environments that push components to their limits. These intense demands can wear down critical axle components, leading to alignment issues, uneven tire wear, and reduced steering precision. If left unchecked, a worn spindle can also damage surrounding suspension parts, resulting in costly repairs, unexpected downtime and dangerous situations.
The Mack Granite Spindle provides a durable solution to restore axle integrity and maintain load distribution. Precision-machined bearing surfaces ensure seamless integration with wheel hubs, bearings, and seals, reducing vibration and extending component life. Constructed from high-strength forged steel, this spindle is heat-treated for maximum impact resistance and long-term reliability. Compatible with OEM and aftermarket parts, it maintains alignment, stability, and control even in extreme working environments.
This direct-fit replacement is specifically designed for Mack Granite dump trucks and heavy-duty Mack applications, ensuring your fleet stays productive, efficient, and safe on the toughest jobs.
Is this the right spindle for the job?
Truck Compatibility – Parts List
This Mack Granite Spindle is designed for use in Mack Granite dump trucks and other heavy-duty Mack truck models equipped with full float drive axles. Here is a list of parts compatible with this spindle:
- Vehicle Models: Mack Granite Trucks
- Axle Type: Mack Heavy-Duty Rear Axle (S402R, S522R, S582, S652, GR64BR and more)
- Bearing Set: Timken 555-S, Timken 552A, Timken 3782, Timken 3720
- Locknut: Mack Torqued locknut 25106338
- Wheel Seal: Part 42671, commonly cross-referenced with 43673, 392-9112 and 370031A.
If you’re still in doubt, contact us and we’ll help you find the right product.
Mack Granite Spindle – Frequently Asked Questions
Which types of axles or trucks use the Mack Granite Spindle?
The Mack Granite Spindle is designed for use in Mack Granite dump trucks and other heavy-duty Mack truck models equipped with full float drive axles. These include the S402R, S522R, S582, S652, GR64BR, and other models requiring high load capacity and reliable performance in extreme working environments.
Does this spindle require special tools for installation?
Having the right tools and equipment is essential for successful installation. The necessary tools are commonly found in most experienced shops. However, proper handling and precise alignment are crucial to ensure long-term performance and vehicle safety. We recommend consulting a qualified technician to guarantee safe and reliable installation. Visit our Facility Finder to locate a trusted service provider near you.
