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3.5k Trailer Axle – 3500 lb Hydraulic Brake 5 lug – (4″ Drop)

35drophdbrake
(3 customer reviews)

$649.00

Elevate Trailer Safety with Mrovi’s 3.5K Hydraulic Drum Brake Axle

Transform your trailer with Mrovi Trailer Parts’ 3.5K Hydraulic Drum Brake Axle, designed for light-duty trailers needing top-notch braking power. Featuring a 4″ drop, durable construction, and easy maintenance, it’s the ultimate choice for New Jersey trailers seeking efficiency and safety. Experience the Mrovi difference with fast, reliable 24-hour delivery.

Specs:

  • 3,500 lbs Trailer Axle (3.5K Capacity)
  • 5 Lug
  • Tube: 2 3/8″
  • This axle is not ABS compatible
  • 4″ Drop Spindle

Please reference our Min/Max Chart Below for Axle sizing.

$

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Description

Maximize Your Trailer’s Efficiency with Mrovi’s 3.5K Hydraulic Drum Brake Axle

Step up your trailer’s braking system with Mrovi Trailer Parts’ 3.5K Hydraulic Drum Brake Axle. Perfectly designed for light-duty trailers, this hydraulic axle promises unmatched control and stopping power for a wide array of trailers including utility, cargo, ATV, lawn & landscape, motorcycle, BBQ pit, enclosed, and RV trailers. Serving New Jersey and surrounding regions, this axle with a standard 4″ drop is your go-to solution for reliable and safe trailer operations.

AXLES ARE
DELIVERED
PRE-GREASED

AXLES ARE UNDERSLUNG

CAMBERED TUBE

Helps for a smoother ride,
saves tires from wear and
helps the longevity of
suspension.

CONSTRUCTED WITH HIGH 
STRENGTH STEEL

Specs:

  • Capacity: 3,500 lbs (3.5K)
  • Bolt Pattern: 5 Lug
  • Tube Diameter: 2 3/8″
  • Drop: Standard 4″
  • Brake Type: Hydraulic Drum, 10×2.25″
  • ABS Compatibility: Not compatible

Key Features:

  • Fully Assembled for Easy Installation: Comes with loose spring seats for welding, ensuring a custom fit and quick setup.
  • Durable Construction: Made with high-strength steel and packed with high-temp axle grease for long-lasting performance.
  • Enhanced Safety with Hydraulic Brakes: Offers superior stopping power, crucial for navigating heavy loads and steep terrains.
  • Maintenance Simplified: Features EZ Lube Design with a removable rubber plug for easy access to grease-able zerk fitting.
  • Versatile Use: Ideal for a variety of light-duty trailers, enhancing your hauling experience with assured safety and efficiency.

Why Choose Mrovi’s Hydraulic Drum Brake Axle?

  • Optimal Control and Safety: Hydraulic drum brakes ensure smooth, consistent stopping power under all conditions.
  • Robust and Reliable: Crafted for durability, withstanding the challenges of daily use and the harsh conditions of the road.
  • Hassle-Free Maintenance: Simplify your maintenance routine with our EZ Lube system, making lubrication quick and clean.
  • Comprehensive Components Included: Each axle package includes a full bearing kit and all necessary components for immediate use.

Whether you’re towing through the bustling streets of New Jersey or exploring beyond, the 3.5K Hydraulic Drum Brake Axle by Mrovi Trailer Parts guarantees a safe and smooth journey. Leverage our “last mile guarantee” with 24-hour delivery for orders over $400, ensuring your trailer never misses a beat.

Additional information

Hubface

73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96

Bolt Pattern

5 x 4.5, 5 x 5

Bolt Pattern

MROVI’s Guide for Measuring Trailer Axle Bolt Patterns

How to Measure your Trailer’s Wheel Bolt Circle Lug or Bolt Pattern

In order to replace a hub on your trailer, you will need to know the bolt pattern or lug pattern. Trailer wheel hub patterns can be defined by the number of bolts or lugs per wheel and the diameter of the circle that the bolts are arranged on.  Determining the bolt pattern is rather easy, but it is very important that accurate measurements are taken.  The majority of boat trailers on the road have a 4, 5 or 6 lug pattern.

Determining the bolt pattern on your trailer:

  1. You will need to first count the number of lug bolts on one wheel. Most trailer hubs typically have 4 or 5 lugs per wheel/hub. Heavier duty, higher capacity trailers generally have 6 or 8 Lugs per wheel.
  2. If the trailer hubs have an even number of bolts holding the wheel, measure from the center of one bolt to the center of the bolt directly opposite using a ruler, tape measure or caliper.  The hub lug bolt pattern will be determined by the number of lug bolts and the distance between the opposing hub bolt (see 4-lug hub diagram).  All but 5-lug patterns are measured in this manner.
  3. If your trailer wheel hubs have 5 lug bolts, measuring is slightly different. Choose any lug bolt and measure the distance between the back of one lug to the center of another that is directly across from it. Be sure that you skip one bolt when measuring.  You can measure the distance in either direction
NOTE:  If you are replacing older wheel hubs, wheels, integrated hub/drums or hub/rotors the bearings should be checked for wear and replaced as necessary. Always use a high-temperature wheel bearing grease when re-packing your trailers hubs.

Hub Face & Spring Center

Axle Min/Max Sizes

Chart displaying minimum and maximum sizes for trailer axles, including hub face to hub face, spring center, and overall length measurements
Chart showing the minimum and maximum sizes for trailer axles, including critical measurements such as hub face to hub face, spring center, and overall length. Ensure accurate measurements for optimal trailer performance and safety.

Understanding Min/Max Measurements for a Trailer Axle

When dealing with trailer axles, understanding the minimum and maximum measurements is crucial for ensuring a proper fit, safe operation, and optimal performance. These measurements help determine the correct axle size for your trailer and ensure it can handle the required load.

1. Hub Face to Hub Face (HF to HF) Measurement

  • Definition: The distance from the outer edge of one hub face to the outer edge of the other hub face.
  • Importance: This measurement determines the overall length of the axle and ensures that the wheels are correctly positioned under the trailer. The correct HF to HF measurement ensures that the wheels do not extend beyond the trailer’s sides or sit too far inward.

2. Spring Center (SC) Measurement

  • Definition: The distance between the center of one spring mount to the center of the opposite spring mount.
  • Importance: This measurement ensures the axle aligns properly with the trailer’s spring hangers. Correct spring center measurement is crucial for balanced load distribution and maintaining the trailer’s stability and alignment during towing.

3. Overall Length (OL) Measurement

  • Definition: The total length of the axle from end to end.
  • Importance: This includes the hub face distance and any additional parts extending beyond the hub faces. Knowing the overall length helps in understanding the space needed for axle installation and avoiding any potential obstructions.

Min/Max Measurements

Minimum Measurements:

  • Hub Face to Hub Face (HF to HF): The minimum HF to HF measurement ensures the wheels fit within the trailer frame without rubbing against the trailer’s body or fenders.
  • Spring Center (SC): The minimum SC measurement ensures that the axle can be securely mounted to the trailer frame with the existing spring hanger placements.
  • Overall Length (OL): The minimum overall length ensures the axle fits within the designated area of the trailer without interfering with other components.

Maximum Measurements:

  • Hub Face to Hub Face (HF to HF): The maximum HF to HF measurement ensures the wheels are not too far apart, which could lead to excessive stress on the axle and poor handling.
  • Spring Center (SC): The maximum SC measurement ensures the axle is adequately supported by the trailer’s spring hangers and prevents excessive flexing or bending.
  • Overall Length (OL): The maximum overall length ensures the axle does not extend too far beyond the trailer, which could affect the trailer’s balance and aerodynamics.

Why Min/Max Measurements Matter

  1. Safety: Ensuring that the axle fits within the specified measurements prevents issues such as improper wheel alignment, excessive tire wear, and instability during towing, which can lead to accidents.
  2. Performance: Proper axle measurements ensure balanced load distribution and optimal suspension performance, leading to a smoother and more efficient towing experience.
  3. Compliance: Adhering to the correct measurements ensures the trailer meets industry standards and regulations, preventing potential legal issues and ensuring roadworthiness.
  4. Durability: Correct axle fitment reduces stress on trailer components, preventing premature wear and extending the lifespan of the axle and associated parts.

Measuring Tips

  • Accurate Tools: Use a reliable measuring tape or laser measurement tool to ensure precision.
  • Level Surface: Ensure the trailer is on a level surface to avoid skewed measurements.
  • Multiple Checks: Measure multiple times to confirm accuracy, and consult the trailer manufacturer’s specifications for guidance.

By understanding and adhering to the minimum and maximum measurements for your trailer axle, you can ensure a safe, reliable, and efficient towing experience.

3 reviews for 3.5k Trailer Axle – 3500 lb Hydraulic Brake 5 lug – (4″ Drop)

  1. Jason

    Great people, professional staff, fair prices and fast service 3.5k trailer axles are excellent ! Highly recommended…

  2. Ronda

    Best place for trailer parts. 3.5k axles are available in stock. Staff is very helpful…

  3. Shawn

    Quick easy service very knowledgeable professionals and awesome prices with quality products. I will definitely be doing more business here . Trailer axles are working properly
    Thanks 😊

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