China Custom Easy Lube 3500 Lb Boat Trailer Straight Axle with Electric Drum Brake wholesaler

Product Description



Part No.: Weight Capacity  Hub to hub distance  Spring Center Distance  Beam Size  Bolt Pattern  Brake type Surface Finish  Easy Lube 
ASN-35.00.00 3500lbs Customized Customized Φ60mm 5-4.5″ No Black Painted Yes
ASE-35.00.00 3500lbs Customized Customized Φ60mm 5-4.5″ Electric Brake  Black Painted Yes
ASN-52.00.00 5200lbs Customized Customized Φ76mm 6-5.5″ No Black Painted Yes
ASE-52.00.00 5200lbs Customized Customized Φ76mm 6-5.5″ Electric Brake  Black Painted Yes
ASN-60.00.00 6000lbs Customized Customized Φ76mm 6-5.5″ No Black Painted Yes
ASE-60.00.00 6000lbs Customized Customized Φ76mm 6-5.5″ Electric Brake  Black Painted Yes
ASN-70.00.00 7000lbs Customized Customized Φ76mm 8-6.5″ No Black Painted Yes
ASE-70.00.00 7000lbs Customized Customized Φ76mm 8-6.5″ Electric Brake  Black Painted Yes



Features of a 3500lbs Spring Trailer Axle with Electric Brakes

1. All the electric trailer axles and brakes are painted surface. 

2. The electric brakes in American market and Australia market are a little different.
    We supply bother American style and Australian style braked axles.

3. 3500lbs trailer axles kits without brakes are also available here.





HangZhou Haihui Vehicle Parts Co,. Ltd offers a full range of axles for trailers, succinctly including both spring and torsion axles with weight capacities ranging from 3500lbs to 7000lbs, all compliant with ISO 9001 standards.
Alongside our axles, we provide various brake options to suit your needs.
With advanced equipment and professional technical team,we can meet the unique requirements of our clients.
Based on the high quality material, our axles ensure durability and stability for reliable and safe trailer journeys in different applications.




Our Commitment to Efficiency and Quality:

1. Tailored Pallet Design: We customize pallets based on axle length and weight capacity,
    maximizing container space to reduce sea freight costs.

2. Careful Packaging: We take special care to protect delicate items,
    ensuring that the axles you receive are in top condition upon arrival.

3. Pre-Assembly Option: Springs can be assembled CZPT the axles before shipping,
    saving you valuable time and labor costs.


HangZhou HaiHui Vehicle Parts Co., Ltd.


Our company is a professional trailer parts manufacturer in China.
We have been committed to manufacturing trailer parts since 2002.

Our main products are trailer axles, trailer fenders, trailer jacks and boat trailer parts. We do many customized products as well.
Our products exported to Canada, USA, Europe and Australia markets.Supplying a wide ranges of trailer parts, we are 1 of companies that has the most complete trailer parts range.


There are advanced equipment such as laser cutting machine,
robot welding machines, CNC lathes and CNC bending machines in the factory.
We have professional and strict QC team to ensure our products quality.

We provide perfect after-sales service and at least a one-year warranty for our products.
Cooperate with us you will never need to worry about after-sales problems.
Choosing us will be a choice without regret.


1. In the trailer markets for more than decades, and have professional technical and manufacturing team.

2. We can produce various kinds of axles including CZPT axles, and spring axles with different kinds of brakes.  

3. Accept customized and OEM products. We can produce based on your unique requirement.

4. Perfect after-sales service and at least 1 year warranty for our products.

5. Customize the package according to each customer to save freight.

1) Do you have a factory?
“Yes, we have our own factory and engineers. We can meet customers’ unique requirements.”

2) Do you provide samples? Are they free of charge?
“Samples can be provided for client inspection and approval. While regular samples may involve a fee, this fee can potentially be refunded upon placing an order..”

3) Can you manufacture parts according to our size?
“Depending on tooling, we can support you in achieving your specified size requirements for items.”

4) What are your payment terms?
“Normally for bulk orders, T/T and L/C are acceptable. For samples, PayPal/Western Union can be used.”

5) How long is your delivery time?
“Normally, delivery takes 25 working days. During CZPT times, it may take up to 35 working days.”




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After-sales Service: One-Year Warranty
Condition: New
Axle Number: 1
Application: Trailer
Certification: ISO
Material: Steel
US$ 130/Piece
1 Piece(Min.Order)

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Customized Request


What is the role of axles in electric vehicles, and how do they differ from traditional axles?

Electric vehicles (EVs) have unique requirements when it comes to their drivetrain systems, including the axles. The role of axles in EVs is similar to traditional vehicles, but there are some key differences. Here’s a detailed explanation of the role of axles in electric vehicles and how they differ from traditional axles:

Role of Axles in Electric Vehicles:

The primary role of axles in electric vehicles is to transmit torque from the electric motor(s) to the wheels, enabling vehicle propulsion. The axles connect the motor(s) to the wheels and provide support for the weight of the vehicle. Axles are responsible for transferring the rotational force generated by the electric motor(s) to the wheels, allowing the vehicle to move forward or backward.

In electric vehicles, the axles are an integral part of the drivetrain system, which typically includes an electric motor(s), power electronics, and a battery pack. The axles play a crucial role in ensuring efficient power transfer and delivering the desired performance and handling characteristics of the vehicle.

Differences from Traditional Axles:

While the fundamental role of axles in electric vehicles is the same as in traditional vehicles, there are some notable differences due to the unique characteristics of electric propulsion systems:

1. Integration with Electric Motors: In electric vehicles, the axles are often integrated with the electric motors. This means that the motor(s) and axle assembly are combined into a single unit, commonly referred to as an “electric axle” or “e-axle.” This integration helps reduce the overall size and weight of the drivetrain system and simplifies installation in the vehicle.

2. High Torque Requirements: Electric motors generate high amounts of torque from the moment they start, providing instant acceleration. As a result, axles in electric vehicles need to handle higher torque loads compared to traditional axles. They are designed to withstand the torque output of the electric motor(s) and efficiently transmit it to the wheels.

3. Regenerative Braking: Electric vehicles often utilize regenerative braking, which converts the vehicle’s kinetic energy into electrical energy and stores it in the battery. The axles in electric vehicles may incorporate systems or components that enable regenerative braking, such as sensors, controllers, and electric brake actuators.

4. Space Optimization: Electric vehicles often have different packaging requirements compared to traditional internal combustion engine vehicles. The axles in electric vehicles are designed to accommodate the space constraints and specific layout of the vehicle, considering the placement of the battery pack, electric motor(s), and other components.

5. Weight Considerations: Electric vehicles strive to optimize weight distribution to enhance efficiency and handling. Axles in electric vehicles may be designed with lightweight materials or innovative construction techniques to minimize weight while maintaining structural integrity and durability.

It’s important to note that the specific design and characteristics of axles in electric vehicles can vary depending on the vehicle manufacturer, drivetrain configuration (e.g., front-wheel drive, rear-wheel drive, all-wheel drive), and other factors. Automotive manufacturers and suppliers continually innovate and develop new axle technologies to meet the evolving demands of electric vehicle propulsion systems.


How do axle ratios impact the performance and fuel efficiency of a vehicle?

The axle ratio of a vehicle plays a crucial role in determining its performance characteristics and fuel efficiency. Here’s a detailed explanation of how axle ratios impact these aspects:


The axle ratio refers to the ratio of the number of rotations the driveshaft makes to the number of rotations the axle makes. A lower axle ratio, such as 3.23:1, means the driveshaft rotates 3.23 times for every rotation of the axle, while a higher ratio, like 4.10:1, indicates more driveshaft rotations per axle rotation.

A lower axle ratio, also known as a numerically higher ratio, provides better low-end torque and acceleration. This is because the engine’s power is multiplied as it goes through the gears, resulting in quicker acceleration from a standstill or at lower speeds. Vehicles with lower axle ratios are commonly found in trucks and performance-oriented vehicles where quick acceleration and towing capacity are desired.

On the other hand, a higher axle ratio, or numerically lower ratio, sacrifices some of the low-end torque for higher top-end speed and fuel efficiency. Vehicles with higher axle ratios are typically used in highway driving scenarios where maintaining higher speeds and maximizing fuel efficiency are prioritized.

Fuel Efficiency:

The axle ratio directly affects the engine’s RPM (revolutions per minute) at a given vehicle speed. A lower axle ratio keeps the engine running at higher RPMs, which may result in increased fuel consumption. However, this ratio can provide better towing capabilities and improved off-the-line acceleration.

In contrast, a higher axle ratio allows the engine to operate at lower RPMs during cruising speeds. This can lead to improved fuel efficiency because the engine doesn’t have to work as hard to maintain the desired speed. It’s worth noting that other factors, such as engine efficiency, aerodynamics, and vehicle weight, also influence fuel efficiency.

Manufacturers carefully select the axle ratio based on the vehicle’s intended purpose and desired performance characteristics. Some vehicles may offer multiple axle ratio options to cater to different driving preferences and requirements.

It’s important to consider that changing the axle ratio can have implications on the overall drivetrain system. Modifying the axle ratio can affect the vehicle’s speedometer accuracy, transmission shifting points, and may require recalibration of the engine control unit (ECU) to maintain optimal performance.

As always, for precise information on a specific vehicle’s axle ratio and its impact on performance and fuel efficiency, it is best to consult the vehicle manufacturer’s specifications or consult with automotive experts.


Can you explain the importance of axle alignment for vehicle stability and handling?

Axle alignment plays a crucial role in ensuring vehicle stability and handling characteristics. Proper alignment of the axles is essential for maintaining optimal tire contact with the road surface, minimizing tire wear, maximizing traction, and promoting safe and predictable handling. Here are the key reasons why axle alignment is important:

  1. Tire Wear and Longevity:
  2. Correct axle alignment helps distribute the vehicle’s weight evenly across all four tires. When the axles are properly aligned, the tires wear evenly, reducing the risk of premature tire wear and extending their lifespan. Misaligned axles can cause uneven tire wear patterns, such as excessive wear on the inner or outer edges of the tires, leading to the need for premature tire replacement.

  3. Optimal Traction:
  4. Proper axle alignment ensures that the tires maintain optimal contact with the road surface. When the axles are aligned correctly, the tires can evenly distribute the driving forces, maximizing traction and grip. This is particularly important during acceleration, braking, and cornering, as proper alignment helps prevent tire slippage and improves overall vehicle stability.

  5. Steering Response and Stability:
  6. Axle alignment directly affects steering response and stability. When the axles are properly aligned, the vehicle responds predictably to driver inputs, providing precise and accurate steering control. Misaligned axles can lead to steering inconsistencies, such as pulling to one side or requiring constant correction, compromising vehicle stability and handling.

  7. Reduced Rolling Resistance:
  8. Proper axle alignment helps reduce rolling resistance, which is the force required to move the vehicle forward. When the axles are aligned correctly, the tires roll smoothly and effortlessly, minimizing energy loss due to friction. This can contribute to improved fuel efficiency and reduced operating costs.

  9. Vehicle Safety:
  10. Correct axle alignment is crucial for ensuring vehicle safety. Misaligned axles can affect the vehicle’s stability, especially during emergency maneuvers or sudden lane changes. Proper alignment helps maintain the intended handling characteristics of the vehicle, reducing the risk of loss of control and improving overall safety.

To achieve proper axle alignment, several key parameters are considered, including camber, toe, and caster angles. Camber refers to the vertical tilt of the wheel when viewed from the front, toe refers to the angle of the wheels in relation to each other when viewed from above, and caster refers to the angle of the steering axis in relation to vertical when viewed from the side. These alignment angles are adjusted to meet the vehicle manufacturer’s specifications and ensure optimal performance.

It’s important to note that factors such as road conditions, driving habits, and vehicle modifications can affect axle alignment over time. Regular maintenance and periodic alignment checks are recommended to ensure that the axles remain properly aligned, promoting vehicle stability, handling, and safety.

China Custom Easy Lube 3500 Lb Boat Trailer Straight Axle with Electric Drum Brake   wholesaler China Custom Easy Lube 3500 Lb Boat Trailer Straight Axle with Electric Drum Brake   wholesaler
editor by CX 2024-05-09