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3500 lb hub and drum with 5 on 4.75 bolt pattern for trailers
3500 lb trailer hub and drum assembly, 5 on 4.75 bolt pattern
Pre-greased 3500 lb hub and drum, 5 on 4.75 bolt pattern for trailer axles
Heavy-duty 3500 lb hub and drum for trailers with 5 on 4.75 bolt pattern

3500 lb Hub and Drum, 5 on 4.75 Bolt Pattern

19-105
Estimated delivery dates: Apr 6, 2025 - Apr 8, 2025

$44.86 $219.98 59% OFF

Add to Cart
3500 lb hub and drum with 5 on 4.75 bolt pattern for trailers
3500 lb Hub and Drum, 5 on 4.75 Bolt Pattern
$44.86 $219.98 59% OFF

Trailer Axle Hub and Drum FAQ

Downloadable Files

Files that will help teach you or guide you in finding the measurements for your Trailer Axles. 

4, 6, 8 Bolt Pattern
5 Bolt Pattern (option 1)
5 Bolt Pattern (option 2)
Printable Bolt Pattern Finder

Answer:

•Identify the Bolt Count: Start by counting the number of bolt holes (e.g., 4, 5, 6, or 8).

•Measure the Pitch Circle Diameter (PCD):

For even bolt patterns, measure from the center of one bolt directly across to the opposite bolt.

For odd-number patterns, measure from the. center of one, skip one, to the center outside of the third.

• Check Consistency: Double-check your measurements to ensure that your wheel or drum will fit properly.

• Visual Inspection: Look for cracks, rust, or uneven wear on the hub face and drum.

• Feel for Vibration or Wobbling: When driving, any noticeable vibrations or misalignment can indicate that the hub or drum is warped or worn.

• Regular Inspection: Check the hub and drum at least once per season or before heavy towing. Look for signs of wear, rust, or damage.

• Cleaning: Keep the surfaces clean to remove any dirt or corrosion that could affect fitting and performance.

• Lubrication: Apply grease where recommended to reduce friction and prevent rust, following the manufacturer’s guidance.

• Professional Servicing: If you notice misalignment or significant wear, consult a trailer specialist to resurface or replace the components.

• Improper Fitment: A wrong bolt pattern or hub face measurement can result in wheels or brake drums not fitting securely.

• Poor Performance: Misalignment may lead to vibrations, increased tire wear, or even brake issues.

• Safety Risks: Ultimately, incorrect measurements can compromise the trailer’s handling and increase the risk of accidents during towing.

• Corrective Action: If you discover issues, it’s important to re-measure, adjust, or consult a professional for repairs or replacement to ensure a safe setup.

Description

3500 lb Hub and Drum, 5 on 4.75 Bolt Pattern

3500 lb hub and drum with integrated brakes for 3,500 lb axles
Sturdy 3500 lb hub and drum for heavy-duty trailer applications

The 3500 lb hub and drum with a 5 on 4.75 bolt pattern is a high-quality solution for 3,500 lb trailer axles. Designed for electric or hydraulic brakes, this hub-and-drum assembly is ideal for a range of trailer applications. Manufactured with durable materials and pre-greased for easy installation, it offers reliability and performance that you can count on. This hub-and-drum assembly is certified by both the Canadian Standards Association (CSA) and QAI, ensuring top safety and quality standards.

Features and Benefits

  • Integrated Hub and Drum: Provides surface area for brake shoes to grip, ensuring smooth and effective braking.
  • Versatile Compatibility: Fits most standard axles, including Dexter, Lippert (LCI), and AL-KO, as well as Dexter E-Z Lube axles.
  • Easy Maintenance: E-Z Lube-compatible grease cap allows for quick and mess-free lubrication without disassembly.
  • Durable Construction: Made from sturdy iron with a zinc-enriched finish to resist corrosion.
  • Complete Kit: Includes bearings, races, grease seal, grease cap, and lug nuts for a hassle-free installation.

Specifications

  • Application: 3,500 lb trailer axles with #84 spindles
  • Bolt Pattern: 5 on 4.75
  • Drum Dimensions: 10″ diameter x 2-1/2″ wide
  • Wheel Sizes: Compatible with 13″, 14″, 14.5″, and 15″ wheels
  • Weight Capacity: 1,750 lbs per hub
  • Wheel Studs: 1/2″ diameter x 1-1/4″ long
  • Bearings:
    • Inner: L68149 (1.378″ ID)
    • Outer: L44649 (1.063″ ID)
  • Races:
    • Inner: L68111
    • Outer: L44610
  • Grease Seal: 58846 (ID: 1.719″, OD: 2.565″)
  • Warranty: Limited 1-year warranty

Maintenance Tips for Your 3500 lb Hub and Drum

Regular maintenance ensures the longevity and performance of your hub-and-drum assembly. Follow these tips:

  1. Inspect Regularly: Check for wear, cracks, or corrosion on the hub and drum. Replace if damage is evident.
  2. Lubricate Bearings: Use the E-Z Lube-compatible grease cap to inject fresh grease into the bearings regularly.
  3. Tighten Lug Nuts: Periodically check that the lug nuts are tightened to manufacturer torque specifications.
  4. Check Brake Shoes: Ensure the brake shoes are gripping evenly and adjust as necessary.
  5. Clean Components: When disassembled, clean the drum, hub, and bearings thoroughly with a solvent to remove debris and old grease.

When to Replace Your Hub and Drum

Your 3500 lb hub and drum may need replacing if you notice:

  • Excessive vibration or noise during towing.
  • Uneven or accelerated wear on brake shoes or tires.
  • Visible cracks, rust, or deformation in the drum or hub.
  • Increased stopping distances when braking.

Ignoring these signs can lead to safety hazards, so it’s essential to replace worn components promptly.

How to Replace a 3500 lb Hub and Drum

Replacing your 3500 lb hub and drum is straightforward with the right tools. Here’s how:

  1. Secure the Trailer: Park on a level surface, chock the wheels, and raise the trailer with a jack.
  2. Remove the Wheel: Loosen and remove the lug nuts to take off the wheel.
  3. Detach the Old Hub and Drum: Remove the grease cap, cotter pin, spindle nut, and washer. Slide off the hub and drum.
  4. Inspect the Spindle: Clean the spindle thoroughly and check for damage.
  5. Install the New Hub and Drum: Slide the pre-greased hub and drum onto the spindle. Ensure the bearings, races, and grease seal are properly seated.
  6. Secure the Assembly: Reinstall the spindle nut, washer, and cotter pin. Tighten according to manufacturer specifications.
  7. Reattach the Wheel: Replace the wheel and tighten the lug nuts securely.
  8. Test: Lower the trailer and test for smooth rotation and proper braking.

Safety Considerations

Safety is paramount when towing. The 3500 lb hub and drum assembly has undergone rigorous testing by both CSA and QAI to meet the highest standards of performance. Here are a few safety tips to keep in mind:

  • Always use components that match your trailer’s specifications.
  • Check all parts for proper installation and torque settings before hitting the road.
  • Regularly inspect the hub, drum, and brakes to ensure optimal functionality.

Why Choose Tow Parts, LLC?

Tow Parts, LLC is your trusted nationwide distributor for trailer parts. As the exclusive distributor of AxleTek products, we provide high-quality solutions tailored to your trailer needs. With QAI and CSA certifications, our products meet stringent safety and performance standards. Whether you’re upgrading your trailer or replacing a worn component, the 3500 lb hub and drum offers unmatched reliability and ease of use.

Order Today

Upgrade your trailer’s braking system with the dependable 3500 lb hub and drum. Pre-greased and ready to install, this assembly provides excellent performance and long-lasting durability. Order now and experience the difference with Tow Parts, LLC.

Additional information

Weight 20 lbs
Dimensions 12.25 × 11.5 × 6 in
Quantity: No selection

Single 3.5K Hub/Drum, 5×4.75, Two 3.5K Hub/Drum, 5×4.75

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Additional information

Weight 20 lbs
Dimensions 12.25 × 11.5 × 6 in
Quantity: No selection

Single 3.5K Hub/Drum, 5×4.75, Two 3.5K Hub/Drum, 5×4.75

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What you need to know before ordering

Simple Instructions for Measuring a Trailer Hub and Drum Bolt Pattern and Other Considerations Before Purchasing a Replacement

Part 1: Measuring the Bolt Pattern

Understanding your trailer’s bolt pattern is crucial when selecting a replacement hub and drum. Here’s how to measure it:

Step 1: Identify the Number of Lug Holes

• Count the Lug Holes: Determine how many bolt holes (lugs) are on your hub or wheel. Common configurations are 4, 5, 6, or 8 lug holes.

Step 2: Measure the Bolt Circle Diameter (BCD)

The method to measure the bolt circle diameter varies depending on whether you have an even or odd number of lugs.

For Hubs with an Even Number of Lugs (4, 6, 8 lugs):

1. Measure Across the Center:

• Place a ruler or measuring tape over the center of the hub.

• Measure from the center of one lug hole directly across the hub to the center of the opposite lug hole.

2. Record the Measurement:

• This distance is your bolt circle diameter.

Example: If the distance between opposite lug holes is 4 inches, your bolt pattern is “4 on 4” (4 lugs on a 4-inch circle).

For Hubs with an Odd Number of Lugs (5 lugs):

1. Measure from Center to Outer Edge:

• Measure from the center of one lug hole to the outer edge of a lug hole that is directly across from it (skipping one lug hole in between).

2. Alternatively, Use the Chord Measurement Method:

• Measure the Distance (D) between two adjacent lug holes (center to center).

• Use a Multiplier: Multiply this distance by 1.7012 to calculate the bolt circle diameter.

text{Bolt Circle Diameter (BCD)} = D times 1.7012

3. Record the Measurement:

• Round to the nearest common bolt pattern size (e.g., 4.5 inches, 5 inches).

Example: If the distance between adjacent lug holes is 2.75 inches:

text{BCD} = 2.75” times 1.7012 approx 4.68”

This approximates a 5 on 4.5” bolt pattern.

Step 3: Determine the Bolt Pattern Notation

• Express the Bolt Pattern: Use the format “[Number of Lugs] on [Bolt Circle Diameter]”.

Examples:

• “4 on 4” means 4 lugs on a 4-inch circle.

• “5 on 4.5” means 5 lugs on a 4.5-inch circle.

Part 2: Other Important Considerations Before Purchasing a Replacement Hub and Drum

To ensure safety and compatibility, consider the following factors before buying a replacement hub and drum:

1. Axle Capacity

• Know Your Axle Rating: Check your trailer’s axle weight capacity (e.g., 2,000 lbs, 3,500 lbs).

• Match the Hub and Drum: Purchase a hub and drum assembly rated for the same capacity.

2. Spindle Type and Bearing Sizes

• Identify Spindle Type: Determine if you have a straight or tapered spindle.

• Check Bearing Numbers:

• Remove the hub to access the bearings.

• Look for part numbers stamped on the bearings (e.g., L44649, L68149).

• Measure Bearings if Needed:

• Inner Bearing ID: Diameter of the inner bearing opening.

• Outer Bearing ID: Diameter of the outer bearing opening.

• Ensure Compatibility: The new hub must accommodate the same bearing sizes.

3. Grease Seal Size

• Check Seal Numbers: Look for part numbers on the grease seal.

• Measure if Unmarked:

• Inner Diameter (ID): Diameter where the seal fits over the spindle.

• Outer Diameter (OD): Diameter where the seal fits into the hub.

• Match Seal Size: The new grease seal must match these dimensions to prevent leaks.

4. Brake Type and Compatibility

• Determine Hub Type Needed:

• Idler Hub: For trailers without brakes.

• Hub and Drum Assembly: For trailers with drum brakes.

• Brake Size Compatibility:

• Ensure the drum matches your brake assemblies (common sizes are 7”, 10”, 12”).

• Check Brake Hardware:

• Verify that the hub is compatible with your existing brake components.

5. Wheel Compatibility

• Confirm Bolt Pattern: Ensure the new hub’s bolt pattern matches your wheel.

• Check Wheel Stud Size:

• Common stud sizes are 1/2”-20 or 9/16”-18 threads.

• Center Bore and Offset:

• Make sure the hub’s center bore fits your wheel.

• Consider wheel offset if applicable.

6. Spindle Type: EZ-Lube vs. Standard

• Identify Spindle Type:

• EZ-Lube Spindle: Has a grease fitting on the end for easy lubrication.

• Standard Spindle: Requires manual greasing.

• Select Compatible Components:

• Choose hubs and dust caps designed for your spindle type.

7. Material and Finish

• Environmental Considerations:

• For marine or coastal use, consider galvanized or stainless steel hubs to resist corrosion.

• Durability:

• Quality materials extend the life of your hub and drum.

8. Tools and Supplies Needed

• Essential Tools:

• Wrenches or sockets for lug nuts and spindle nuts.

• Torque wrench for proper tightening.

• Pliers or cutters for cotter pins.

• Supplies:

• High-temperature wheel bearing grease (if not pre-greased).

• Grease gun (for EZ-Lube spindles).

• Safety equipment (gloves, eye protection).

9. Installation Tips

• Proper Torque:

• Follow manufacturer specifications for tightening lug nuts and spindle nuts.

• Safety Checks:

• After installation, check for proper wheel rotation and absence of play.

• Regular Maintenance:

• Periodically inspect and grease bearings to extend the life of your hubs.

10. Consult Manufacturer Specifications

• Owner’s Manual:

• Review your trailer’s manual for specific requirements.

• Professional Advice:

• If unsure, consult with a trailer technician or dealer.

By carefully measuring your bolt pattern and considering these factors, you’ll ensure that you purchase the correct replacement hub and drum for your trailer, leading to safe and reliable performance on the road.