Semi-Trailer Parallel Spindle 75
If you’re in the market for solid replacements for your semi-trailer’s parallel spindles, look no further. This spindle is designed for trailer axles with a 5″ axle tube.
Crafted from rugged 1040 steel and toughened with our unique induction heat treatment, our semi-trailer parallel spindles are designed to endure the long hauls and the constant grind of the road.
Every parallel spindle is inspected, securely packed, and shipped straight from our North American warehouse. Your package comes with an ABS mount and a front breather cap.
Don’t forget: This spindle requires a 75 Series Sleeve.
In stock
| Type: | Parallel trailer spindle |
| Recommended Fit For: | Semi-trailers with parallel spindles and up to 5" axle tube |
| Heat Treatment: | Yes |
| Weight: | 45 lbs |
| Warranty: | 1 Year Limited Warranty |
| Compatible Parts: | Outer bearing set 415, Timken inner bearing set 415, National seal 370065A, Pro-Torque Lock nut 447-4723 |
In stock
Description
The average expected lifespan of a semi-trailer is between 10 to 15 years, depending on multiple factors like maintenance, road conditions, and load or use case. Using high-quality replacement parts, such as our parallel spindles, is the best way to push past expectations and maximize a trailer’s lifespan and service.
Required Tools
Having the right tools and equipment is key to a successful installation. This list covers essential equipment that most shops already have, but we recommend taking a moment to ensure everything is on hand before beginning.
Safety Equipment
- Flashlight
- Safety Glasses
- Face Shield
- Welding Helmet
- Ear Plugs
- Cotton Heavy Duty Thick Welding Gloves
Measuring Tools
- Digital Caliper 0-6"/150mm
- Measuring Tape and Ruler
- Trailer Measuring Tool for Parallel and Tapered (shipped with practice spindles for product demo)
Hand Tools
- Sledge Hammer
- Chipping Hammer
Specialized Tools
- Stemco Seal Driver with Tube, Part: 555-0001
- STEMCO STE 555-5039 H0
Gas and Tanks
- Acetylene and Oxygen Tanks
Power Tools & Accessories
- 5" Electric Grinder or Battery Powered
- 5" Wire Wheels
- Cutting and Grinding Discs (5" or less)
- Makita GS6000 6" Straight Grinder
- Air Die Grinder (or electric)
- Welding Machine (MIG or Stick)
- Welding Rods 7018
- Cutting Torch and Heating Torch Set (Heavy Duty)
- Shop Fan (Battery or Electric to cool down spindle after installation)
Lubricants, Fluids, & Paints
- Red-Tac EP2 Grease
- Black Rust Paint
Choosing the Right Semi-Trailer Parallel Spindle
Our Semi-Trailer Parallel Spindle series is designed to accommodate different axle tube sizes and requirements, ensuring a precise fit for various trailer applications.
- Model 75 – Designed for axle tubes with a 5” diameter and thinner walls, commonly used on flatbeds.
- Model 85 – Built for axle tubes with a 5” OD and thicker walls, making it ideal for dry vans.
- Model 115 – Engineered for axle tubes with a 5 ¾” OD, typically found on reefers.
Each model includes precision-machined spindle sleeves, which adjust spindle diameters for specific axle sizes. These sleeves accommodate variations in axle tube design, ensuring a secure fit and optimal performance across different trailer configurations.
Is this the right spindle for the job?
Not sure if this will fit your trailer?
The Semi-Trailer Parallel Spindle 75 features a 75mm outer diameter, and is for trailers with a 5 inch axle tube. This spindle is compatible with:
- Outer bearing set 415
- Timken inner bearing set 415
- National seal 370065A
- Pro-Torque Lock nut 447-4723
If you’re still in doubt, contact us and we’ll help you find the right product.
Related products
Important: This spindle requires a sleeve!
Don't forget to add a sleeve to your cart before checking out when purchasing 75, 85 or 115 Trailer Spindle models.
To learn more, watch full trailer spindle removal and installation videos:
Our Spindle Wizard will help you pair the perfect sleeve for your trailer spindle. Click below to launch the wizard.
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