Trailer Spindles

Buy Trailer Spindles

Are you looking for premium-quality trailer spindles to extend the life of your trailers? Axle Spindle manufactures high-quality trailer axle spindles built to withstand the toughest road conditions. Whether you need a tapered trailer spindle or a parallel trailer spindle, we have the right fit for nearly any heavy duty semi-trailer. Our spindles are precision-engineered and trusted by fleets and independent operators alike, proving their durability and reliability across thousands of real-world applications. Designed for heavy-duty towing, smooth alignment, and long-term performance, our spindles are built to last.

Why Choose our Quality Trailer Spindles

We’ve built our reputation on supplying trailer spindles engineered for strength, safety, and performance in high-load applications. Manufactured from high-grade steel and fortified with precision induction heat treatment, our semi-trailer spindles resist wear, impact, and extreme road conditions. Properly aligned and well-maintained spindles ensure even weight distribution, reducing tire wear and improving stability—critical for safe towing and extending trailer lifespan. Whether you’re hauling dry vans, reefers, flatbeds, or tankers, our trailer spindle replacements meet or exceed OEM standards, delivering a perfect fit and long-term reliability every time.

Types of Trailer Spindles Available:

✔️ Parallel Trailer Spindles

Our series of Semi-Trailer Parallel Spindles come in three sizes—75, 85, and 115—accommodating axle tubes ranging from 5” to 5 ¾” in diameter. Designed for ball or cylindrical roller bearings, these spindles provide stable axle rotation and consistent load distribution, making them ideal for utility trailers, cargo trailers, and haulers.

✔️ Tapered Trailer Spindles

Designed for radial and axial load management, our Semi-Trailer Tapered Spindles support tapered roller bearings for enhanced shock absorption and road durability. Available in 75, 85, and 115 sizes, these spindles fit 5” to 5 ¾” axle tubes, making them the go-to choice for heavy freight applications, including flatbeds, tankers, and bulk haulers.

✔️ SAF Holland Spindles (Right & Left)

Engineered for SAF-Holland trailer axles, our OEM-spec spindles ensure proper wheel alignment, secure fitment, and optimal load-bearing capabilities. We offer right and left-side replacement spindles for a variety of SAF-Holland axle configurations, including the HDA-85 Heavy-Duty Rear Axle Assembly, IRA-3000 Integral Rear Axle Assembly, ASR-1 Air Suspension Rear Axle Assembly, HA-40 Single Rear Axle Assembly, and HA-52 Tandem Rear Axle Assembly.

Benefits of Upgrading to New Trailer SpindlesUpgrading your trailer axle spindle is a cost-effective way to improve towing performance, stability, and safety. A worn-out spindle can cause uneven weight distribution, misalignment, and excessive tire wear, leading to poor handling and increased fuel consumption. Our replacement trailer spindles are designed to:

• Minimize costs by extending the lifespan of your axles, wheel bearings, tires and hubs
• Enhance towing performance by ensuring smooth wheel rotation and precise axle alignment.
• Improve stability under heavy loads, reducing the risk of uneven tire wear and suspension stress.