Choosing the right Axle Size and Axle Type for your Cargo Trailer

When it comes to choosing a Cargo Trailer, one of the first things to consider is the axle type:

“Do I need Single or Tandem Axles?”

“Should I buy a trailer with 3,500lb axles, or do I need to upgrade to 5,200lb Axles?”

“Is Spring, Torsion or Drop Axles right for me?”

Below is all of the axle information you should need when deciding on a Cargo Trailer!!

Single or Tandem

The choice between a single axle and tandem axle for your cargo trailer depends on several factors, including your specific needs and how you plan to use the trailer. Here are some considerations to help you make an informed decision:

  1. **Payload Capacity:** One of the primary factors to consider is the weight of the cargo you intend to haul. Single axles are suitable for lighter loads, typically up to a certain weight limit, while tandem axles offer significantly higher payload capacities. If you plan to transport heavier items or equipment, a tandem axle trailer would be a better choice for stability and safety.
  2. **Stability and Control:** Tandem axles provide better stability and control, especially at higher speeds and on uneven terrain. They distribute the weight of the cargo more evenly, reducing the risk of swaying or fishtailing. If you need to travel long distances or on challenging roads, tandem axles can offer a smoother and safer ride.
  3. **Tire Wear and Maintenance:** Single axle trailers have fewer tires, which means less tire wear and lower maintenance costs. Tandem axles, on the other hand, have more tires and may require more frequent maintenance and tire replacements. Consider your budget for ongoing maintenance when making your decision.
  4. **Maneuverability:** Single axle trailers are generally more maneuverable than tandem axles. If you need to navigate tight spaces or make sharp turns frequently, a single axle trailer may be a more practical choice.
  5. **Cost:** Single axle trailers are typically more affordable upfront, both in terms of the trailer's purchase price and ongoing maintenance costs. Tandem axle trailers are more expensive due to their additional components and features.
  6. **Local Regulations:** Check your local regulations and laws regarding trailer weight and axle configurations. Some areas may have restrictions on the maximum weight allowed on a single axle trailer. Tandem axle trailers may be necessary to comply with these regulations if you plan to carry heavy loads.
  7. **Future Needs:** Consider your long-term needs. If you anticipate needing to carry heavier loads in the future or if you plan to use the trailer for different purposes, a tandem axle trailer provides more flexibility and can accommodate a wider range of cargo.

In summary, the choice between a single axle and tandem axle for your cargo trailer should be based on your specific requirements, including the weight of your cargo, where you'll be using the trailer, your budget, and your future needs. If you're uncertain, it's often a good idea to consult with a trailer dealer or manufacturer who can provide guidance based on your unique situation. Ultimately, the right choice will ensure the safety and efficiency of your cargo transportation.

Spring, Torsion & Drop Axles

Spring axles, torsion axles, and drop axles are distinct suspension systems used in trailers. Each has its own set of characteristics and advantages, making them suitable for various trailer applications. Here are the key differences between these three types of axles:

  1. **Spring Axles**:

- **Suspension Type**: Spring axles use a traditional leaf spring suspension system. These axles have leaf springs mounted above or below the axle, which absorb shocks and provide support.

- **Ride Comfort**: Spring axles are known for their ruggedness and durability but can deliver a somewhat less smooth ride compared to torsion axles, especially when carrying lighter loads or on rough terrain.

- **Load Capacity**: They are available in a wide range of load capacities, making them suitable for a variety of trailer sizes and purposes.

- **Maintenance**: Leaf spring axles require periodic maintenance, including lubrication and occasional replacement of springs or components due to wear and tear.

- **Cost**: Generally, spring axles are more affordable than torsion axles, which can make them a cost-effective choice for many trailer owners.

- **Versatility**: Spring axles are versatile and commonly used in utility trailers, boat trailers, livestock trailers, and larger cargo trailers.

  1. **Torsion Axles**:

- **Suspension Type**: Torsion axles use a rubberized torsion bar system that flexes and provides suspension. They don't have traditional springs.

- **Ride Comfort**: Torsion axles offer a smoother and quieter ride compared to spring axles. They are well-suited for trailers where cargo protection and ride comfort are crucial, such as enclosed cargo trailers or RVs.

- **Load Capacity**: Torsion axles are available in various load capacities, but they are often used in mid-sized trailers or smaller enclosed trailers.

- **Maintenance**: They require minimal maintenance compared to spring axles. There are fewer moving parts to maintain, and the rubber torsion components are generally more durable.

- **Cost**: Torsion axles tend to be more expensive than spring axles. However, the smoother ride and reduced maintenance costs may offset the initial expense for certain applications.

- **Versatility**: While torsion axles are versatile, they are commonly found in trailers that prioritize ride quality and cargo protection, such as horse trailers, enclosed cargo trailers, and higher-end utility trailers.

  1. **Drop Axles**:

- **Axle Placement**: Drop axles are not a separate suspension type but rather an axle placement modification. In a drop axle configuration, the axle is positioned lower beneath the trailer frame, reducing the trailer's overall height.

- **Benefits**: Drop axles lower the center of gravity of the trailer, enhancing stability and making it easier to load and unload cargo, especially for taller items or equipment. They are commonly used in utility trailers designed for hauling items like motorcycles, ATVs, or landscaping equipment.

- **Ride Comfort**: The ride comfort of drop axles depends on the type of suspension used (spring or torsion), as drop axles can be paired with either suspension system.

- **Load Capacity**: Load capacity varies based on the axle and suspension type chosen for the drop axle configuration.

- **Cost**: The cost of drop axles depends on the trailer's overall design and the suspension system used in conjunction with the drop axle.

In summary, the choice between spring axles, torsion axles, and drop axles depends on your trailer's intended use, desired ride comfort, maintenance preferences, and budget. Consider these factors carefully to determine which axle type and suspension system are best suited for your specific trailer application.

Axle Size

The difference between 3500 lb (pound) axles and 5200 lb axles primarily lies in their load-carrying capacity. Axle capacity is a crucial factor to consider when designing or selecting a trailer, as it determines how much weight the axle can safely support. Here are the key distinctions between these two axle types:

  1. **Load Capacity**:

- **3500 lb Axles**: A 3500 lb axle has a load-carrying capacity of 3500 pounds per axle. This means that each axle is designed to support a maximum weight of 3500 pounds. When two 3500 lb axles are used on a trailer, the total load capacity for the trailer is typically 7000 pounds (3500 pounds per axle x 2 axles).

- **5200 lb Axles**: A 5200 lb axle has a higher load-carrying capacity of 5200 pounds per axle. When two 5200 lb axles are used on a trailer, the total load capacity for the trailer is typically 10,400 pounds (5200 pounds per axle x 2 axles).

  1. **Application**:

- **3500 lb Axles**: These axles are commonly used in smaller utility trailers, lightweight cargo trailers, and recreational trailers. They are suitable for transporting moderate loads, such as landscaping equipment, small boats, or household items.

- **5200 lb Axles**: 5200 lb axles are used in larger and heavier-duty trailers. They are ideal for trailers designed to carry heavier loads, including construction materials, larger equipment, or multiple vehicles.

  1. **Trailer Size and Type**:

- **3500 lb Axles**: Typically found in smaller trailers with a single axle or smaller tandem axle trailers. These axles are often used for trailers with a lower overall weight.

- **5200 lb Axles**: Commonly used in larger tandem axle trailers, car haulers, equipment trailers, and utility trailers that need to carry substantial loads.

  1. **Suspension and Braking**:

- **3500 lb Axles**: Trailers equipped with 3500 lb axles may have various suspension and braking configurations, including leaf spring suspension and electric or hydraulic brakes, depending on the specific trailer design and manufacturer.

- **5200 lb Axles**: Due to their higher load capacity, trailers with 5200 lb axles are more likely to feature heavy-duty suspension systems and braking systems to ensure safe and stable operation when carrying heavier loads.

  1. **Cost**:

- **3500 lb Axles**: Generally, trailers with 3500 lb axles tend to be more affordable than those with 5200 lb axles. The cost of the axles is one factor contributing to the overall price difference.

When choosing between 3500 lb axles and 5200 lb axles, it's essential to consider the weight of the cargo you intend to transport and select axles that provide a sufficient safety margin for your specific needs. Always follow the manufacturer's guidelines and safety recommendations to ensure safe towing and operation of your trailer.

Brandon Reed

Ouachita Trailer Sales

brandon@ouachitatrailers.com

Blog Posts

Choosing the right Metal Thickness for your Cargo Trailer

The choice between .024 and .030 metal for a cargo trailer typically depends on your specific needs and preferences. Both options have their own set of pros and cons, which I'll outline below: **.024 Metal:** **Pros:** **Lighter Weight:** .024 metal is thinner and...

Car Hauler vs Equipment Trailer

A car hauler and an equipment trailer are both types of trailers used for transporting different types of vehicles or equipment, and they have some key differences: Purpose: - Car Hauler: A car hauler is specifically designed for transporting automobiles, such as...

Contact Us

If you’re struggling to find the right trailer for your needs, whether you are looking for an enclosed cargo trailer, dump trailer, car hauler, or anything else, we’ll help you find what you’re looking for. If you don’t see the trailer you need in our inventory, you can always give us a call or drop by for a visit to get a custom order in!