If you are hauling heavy loads in your pickup trucks, your vehicles need consistent strength. Heavy-load hauling increases wear on critical components of pickup trucks.
The drive spindle is one such component of your axle shaft that needs constant care. They hold the hub and bearings in place on the axle, ensuring the wheels rotate smoothly. High-quality spindles are the backbone of your truck’s stability, whether you’re on the highway or pushing through off-road conditions.
In this guide, we’ll explore the best spindles for pickup trucks available at Axle Spindle, comparing the specs for each model.
What are Pickup Truck Spindles?
The spindle of a pickup truck serves as the central axis for the wheel assembly. It holds the wheel bearing and the hub in place, allowing them to spin freely.
The key functionality of a pickup truck spindle: Supporting the hub and bearings, allowing axle shafts to drive the wheel, and managing heavy loads.
High quality aftermarket spindles match the original OEM dimensions and specifications.
Spindle Options For Different Pickup Trucks: What You Need To Know
Spindles are integral to the wheel system. Replacing a worn or damaged spindle aids in bearing rotation and restores rear axle structural integrity.
Choosing the right spindle replacement is necessary to meet the OEM geometry of your pickup truck. Before buying a spindle for your pickup truck, compare each option to the vehicle’s specific make and model.
1. 2011 RAM Dually 3500 Spindle (SRW & DRW)
This heavy-duty rear axle spindle is precision-engineered. The replacement spindle meets the exact 72.49 mm (2.85 in) seal specification, matching the factory fitment of the 2011 model RAM 3500.
Key features of the 2011 RAM Dually 3500 Spindle for your workhorse vehicle:
- The spindle matches the OEM dimensions of the original axle.
- Compatible with tapered roller bearings listed in your parts chart (such as SET416 45291/45220 inner and LM104949 outer).
- Our spindles are direct-fit and work with OEM hubs and brakes, ensuring seamless rebuilds and replacements.
2. RAM 3500/Dually Spindle
The RAM 3500 (SRW and DRW) has proven its durability, keeping drivers on the road for decades. Engineered for towing, hauling, and commercial use, this heavy-duty pickup truck needs routine maintenance.
The RAM Dually 3500 Spindle is a broader-fit option for many RAM 3500 dually pickup trucks with full-float rear axles.
It is built for serious haulers and fleets that need a strong, reliable spindle for daily work.
Key features of RAM 3500 Spindle (SRW and DRW):
- Fits most RAM 3500 (SRW and DRW) pickup truck models (Except 2011).
- Compatible with Inner Bearing 45291, Outer Bearing LM104949, Wheel Seal SKF 30033, and Locknut DOORMAN 615-139.
- This replacement spindle is ideal for RAM 3500 models used for excessive towing, hauling, and commercial purposes.
3. Ford F-250 Spindle
The Ford F-250 is a heavy-duty pickup truck known for its intense towing and payload capacity. This pickup truck is known for its impressive torque and horsepower. Ideal for someone hauling up to 20,000 lbs or more power.
The Ford F-250 rear spindle available at Axle Spindle is constructed from heat-treated 1040 steel. Such a design withstands the intensity of heavy towing and off-road hauling.
Why Ford F-250 owners choose the spindle available at Axle Spindle:
- Designed for Ford F-250 and Ford F-250 Super Duty pickup trucks with high-strength 1040 steel.
- The drive spindle helps maintain optimal vehicle performance.
- Fits directly and works for both OEM and aftermarket parts.
4. Ford F-550 Spindle
The Ford F-550 is a class 5 medium-duty truck, meaning it is more than a standard pickup truck and less than a large commercial truck. This chassis cab truck is known for hauling heavy loads, with a max conventional towing capacity of up to 34,300 lbs.
Since this pickup truck is helpful for various demanding jobs, it is upfitted into a dump truck, utility truck, or ambulance. Due to their versatility, the dual rear wheels are prone to high stress.
Key features of the Ford F-550 Spindle you buy at Axle Spindle:
- Engineered to fit all Ford F-550 models, with compatibility based on axle type, bearing type, seal numbers, and locknut configuration.
- Precision fit for both OEM and aftermarket parts.
- Built with high-strength materials to withstand high payloads.
5. GMC 3500 HD Spindle
The GMC 3500 HD series is known for its heavy-duty towing and ability to handle demanding tasks. Spindles for such heavy-duty pickup trucks must be well-engineered to deliver power to the wheels. Proper specifications help prevent uneven bearing wear and vibration.
Key features of the GMC 3500 HD Spindle at Axle Spindle:
- These precision-made spindles ensure correct axle spindle alignment, hub spacing, and brake fitment.
- These spindles are replaced on full-float axle setups, carrying the vehicle’s weight.
- Perfect for work trucks. These spindles support towing, farm use, and routine heavy-duty work.
6. GMC/Chevy 3500 Dually Spindle
The GMC 3500 and Chevrolet Silverado 3500 pickup trucks excel in gooseneck/fifth-wheel towing and payload capacity. The specific spindle structure should fit snugly and withstand the intense stresses of commercial hauling and heavy-duty towing.
Key features of the GMC/Chevy 3500 Dually Spindle available at Axle Spindle include:
- Modern 3500 Dually spindles are designed from high-strength 1040 steel.
- Precision-machined surfaces, secured with OEM wheel bearings and hubs
- Many replacement spindles are compatible with both older double-nut/double-washer systems (pre-1980) and the modern single-nut configurations.
7. GMC 2500/3500/Express Spindle
Whether the task is hauling heavy construction equipment or transporting large crews, these GMC models deliver the required strength. GMC’s 2500, 3500, and 3500 Express pickup truck owners need durability for extreme towing, massive payload, and high-capacity passenger utility.
Any vibration, unusual noise, or tire wear costs them heavily in repairs and downtime. The right spindle for these GMC models should match OEM specs for prolonged use.
Features of GMC 2500/3500/Express spindles at Axle Spindle are:
- Supports the hub-and-bearing assembly for stable load handling.
- The spindle is made from high-strength 1040 steel, ensuring high-quality material.
- OEM specs ensure enhanced stability and even weight distribution for maximum payloads.
| Pickup Truck Spindle Model | Inner Bearing | Outer Bearing | Seal | Locknut |
| GMC/Chevy 3500 Dually Spindle | GM 84271031, ACDelco Part # RW20-193 | GM 84271032, ACDelco Part # RW20-194, TIMKEN Y32013X | 84271030 | 11603374 |
| GMC 3500 HD Spindle | 25855295, ACDelco Part # RW20-134, | 25855296, ACDelco Part # RW20-135 | 20889025, ACDelco Part # 291-336 | 84855809, 22760464, 22793592 |
| Ford F-550 Spindle | Timken 33281/ Ford F81Z1244AA, Race: HC3Z1243B | Timken 33250/ Ford 5C3Z1201AA, Race: HC3Z1239B | INTERNATIONAL 3591850C91, Ford HC3Z1S175C | F81Z1A124AA, Aftermarket Dana 47858 |
| Ford F-250 Spindle | Timken NP 706218, Bearing SET 76 (Timken 382A – 387AS) | Timken NP 145100, Bearing SET 38 (Timken LM104949 – LM104911) | National 9864S | DORMAN 615-133.1 |
| RAM 3500 / Dually Spindle | 45291 | LM104949 | 455086, SKF 30033 | 81035, DOORMAN 615-139 |
| 2011 RAM 3500 / Dually Spindle | SET416 (45291/45220) | Tapered LM104949 | 28545, 40012061, 5086983AA, 710563 | Doorman 615-139 |
| GMC 2500/3500/Express Spindle | GM 0943-6881, TIMKEN 387AS, 15042155 GM, NP 706218 | ILJIN LM104949, GM 0942-8908, 15042154 GM, NP 145100 | SKF 28426, 15823962 GM, SL260002 | GM 341509, NISSAN 432620B000, FORD 8C3Z-1A124-A, FORD F3XY425A, 5086760AA CHRYSLER, DORMAN 615-132 |
7 Steps to Install Pickup Truck Spindles on a Rear Axle
Installing a pickup truck spindle on a rear axle can be a straightforward task when done with precision. While it involves multiple steps, including bearing removal, welding, and installing the new spindle, it is manageable with the right approach.
Watch the step-by-step process for installing a pickup truck spindle below:
Pickup Truck Spindle Installation – Full Demonstration
For safety reasons, it’s always best to contact a qualified pickup spindle repair specialist. A properly trained and well-equipped technician can replace the old spindle correctly and safely, reducing the risk of damage or improper installation.
Here are seven simple steps to give you a clear overview of how to install a pickup truck spindle:
1. Remove Bearings and Spider Plate
Start by safely removing the bearings and spider plate to access the pickup truck spindle.
2. Measure Spindle from Flange Face to Seal Face
Use a measuring tape to measure from the axle flange face to the seal face and note the measurement. This measurement is needed when installing the new spindle to ensure proper alignment with OEM dimensions.
3. Cut the Old Spindle (A Full Circular Cut)
Cut the old spindle just behind the factory friction weld on the axle tube, making a precise full circular cut and carefully removing it from the axle tube.
4. Clean the Axle Tube Bore
Once the spindle is removed, insert a rag into the axle tube bore to prevent metal shavings from entering the axle. Then, use a die grinder and a sanding disc to clean the inner surface of the axle tube bore, preparing it for the new spindle.
5. Take Measurements for New Spindle Customization
After cleaning, first measure the inside diameter (ID) of the axle tube. Then measure the old OEM spindle from the seal face to the rear OD wall to ensure precise and accurate machining.
6. Install the Spindle
Remove the rag, then install the new spindle into the axle tube to ensure a tight, secure fit. Repeat measurements from the axle flange face to the seal face to align with OEM specifications.
7. Weld the Spindle
Once measurements are confirmed, weld the joint using a proper root pass, hot pass, and cover pass. After welding, apply a rust-resistant spray, making sure to cover and protect the seal and bearing areas from paint.
Final Takeaways for Truck Owners
If you own a RAM 3500, GMC 2500/3500, or Ford F-250/F-550, maintaining your axle spindles is essential for safe, reliable driving. Choosing the correct heavy-duty spindle helps prevent damage and keeps your truck performing well over the long term. Quality replacement spindles restore factory geometry, improve durability, and reduce the risk of wheel-end failures.
This guide helps you select the right spindle for your pickup truck to maintain structural integrity. When installing a new spindle, follow each step carefully to avoid bearing looseness or seal fitment issues.
Can I replace a spindle without replacing bearings or hubs?
Yes, in some cases you can replace a spindle without changing the bearings or hubs, but it’s important to inspect them carefully. Worn or damaged bearings, seals, or hubs can compromise the performance and safety of the new spindle, so replacement is recommended if any signs of wear are present. The best scenario would be finding the nearest facility for axle spindle replacement.
How much does it cost to replace a damaged spindle on a pickup truck?
Replacing a rear axle spindle on a pickup truck usually costs $700 to $1,000+. The final cost of the spindle replacement depends on several factors, including the number of technicians involved, the number of hours, and whether it is a heavy-duty or light-duty pickup truck. Costs further increase if bearings, seals, or the hub are extensively damaged.
How can I check if the spindle on my pickup truck is worn or damaged?
Common signs of a damaged spindle include uneven tire wear, leaking grease, or wheel wobble. Another indicator is unusual sounds, including vibrations or clunky noises. You may also notice excessive heat around the wheel hub, signaling less lubrication. To prevent premature failure, schedule regular axle spindle maintenance and cleaning.
How do I pick the best spindle for my Chevy 3500 pickup truck?
For your Chevy 3500 pickup, choose a spindle that matches your OEM geometry, axle type (full-float or semi-float), brake assembly setup, and bearing, seal, and locknut specifications.
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