1. Boat Trailer Parts For Sale
  2. sku: 5088097750072722
  3. SOUTHWEST WHEEL SR-WH4

SOUTHWEST WHEEL SR-WH4 Leaf Radius End Slipper Trailer 810067325301 24.62 Spring

Sr-wh4 Southwest Wheel 4 Leaf 24.62 Inch Radius End Slipper Trailer Spring 1 000 Lbs

( Brand: Southwest Wheel ), ( Manufacturer Part Number: SR-WH4 ), ( Part Type: Spring Trailer ), ( Country Of Origin: China ), ( UPC: 810067325301 )

Review SOUTHWEST WHEEL Leaf 24.62 Inch Radius End Slipper Trailer Spring Lbs

The **Southwest Wheel SR-WH4 Leaf 24.62 Radius End Slipper Trailer Spring** is a meticulously engineered, high-performance axle spring designed specifically for heavy-duty trailers, offering unmatched durability, stability, and load-bearing capacity. Crafted from premium-grade leaf steel, this spring is built to withstand the rigors of demanding applications, including commercial cargo haulers, large utility trailers, and oversized equipment carriers where reliability is non-negotiable. With a **24.62-inch radius**, the SR-WH4 is engineered to provide optimal spring rate and deflection, ensuring smooth ride quality while maintaining superior load support across a wide range of axle configurations. Positioned as an **end slipper spring**, it is strategically placed at the outermost point of the axle assembly, reducing stress on the axle housing and distributing weight more evenly, which helps minimize wear on the trailer s suspension system and extends the lifespan of associated components like bushings and U-bolts. The leaf design incorporates precision-ground steel laminations, heat-treated for enhanced resilience against fatigue and corrosion, making it ideal for both indoor and outdoor use in varying environmental conditions. Whether deployed in a high-capacity gooseneck setup, a fifth-wheel trailer, or a specialized industrial hauler, this spring delivers consistent performance under heavy loads, reducing axle sag and improving overall trailer handling. Its robust construction and engineering precision make it a standout choice for operators seeking a spring that balances strength, longevity, and operational efficiency without compromising on safety or ride comfort.

Buying a **Southwest Wheel SR-WH4 Leaf 24.62" Radius End Slipper Trailer Spring** (or a similar leaf spring setup for a trailer) involves several considerations. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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### **Pros of Buying This Leaf Spring Setup**

1. **Durability and Load Capacity**

Leaf springs are known for their robustness and ability to handle heavy loads over rough terrain. The **24.62" radius** design provides a balance between flexibility and strength, making them suitable for trailers that carry substantial weight, such as utility trailers, horse trailers, or heavy-duty cargo trailers. The **slipper design** (SR-WH4) helps distribute weight more evenly, reducing stress on the axle and suspension.

2. **Long Lifespan**

Properly maintained leaf springs can last for decades, especially in applications where the trailer is used intermittently. They are less prone to failure from minor bumps compared to coil springs or air suspensions, which can wear out faster under heavy or uneven loads.

3. **Cost-Effective for Heavy-Duty Use**

While the upfront cost of high-quality leaf springs may be higher than basic options, they are generally more economical in the long run for heavy-duty trailers. They require less frequent replacement and maintenance compared to other suspension types, especially if the trailer is used on rough roads or off-road.

4. **Simplicity and Reliability**

Leaf springs have fewer moving parts than air suspensions or hydraulic systems, reducing the risk of mechanical failure. They are easier to inspect and replace, and many mechanics are familiar with working on them. This simplicity also means fewer potential points of failure during operation.

5. **Compatibility with Existing Trailer Frames**

The **24.62" radius** is a standard size for many trailer applications, making it easy to find replacements or upgrades. It fits well with common axle setups (e.g., 2-speed axles, tandem axles) and is often pre-engineered for specific trailer manufacturers, ensuring a seamless fit.

6. **Resilience to Extreme Conditions**

Leaf springs perform well in extreme temperatures, humidity, and off-road conditions. They are less likely to suffer from seal leaks or pressure loss (common in air suspensions) and can handle deep ruts, rocks, or uneven surfaces better than coil springs in some cases.

7. **Easy to Upgrade or Replace**

If a trailer owner decides to increase the load capacity later, upgrading to heavier-duty leaf springs (e.g., multi-leaf or reinforced designs) is straightforward. The slipper design also allows for adjustments in ride height or load distribution without complex modifications.

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### **Cons of Buying This Leaf Spring Setup**

1. **Harsh Ride Quality**

Leaf springs provide a firmer ride compared to coil or air suspensions. While this is an advantage for towing heavy loads, it can result in a rougher ride for passengers or cargo, especially on paved roads. This may not be ideal for trailers carrying sensitive equipment, livestock, or passengers in enclosed trailers.

2. **Maintenance Requirements**

Leaf springs require periodic inspections for rust, cracks, or broken leaves. Over time, the rubber bushings (which reduce friction and noise) can wear out and need replacement. Neglecting maintenance can lead to premature failure, especially in corrosive environments (e.g., coastal areas or after heavy snow).

3. **Limited Adjustability**

Unlike air suspensions, leaf springs offer little to no adjustability for ride height or load distribution. If the trailer s weight shifts significantly (e.g., in a horse trailer), the suspension may not adapt well, leading to uneven wear or stress on the axle.

4. **Noise and Vibration**

Leaf springs can generate more noise and vibration than other suspension types, particularly at higher speeds. This may be noticeable in enclosed trailers or when towing at highway speeds. The slipper design helps mitigate some of this, but it is not as smooth as modern suspensions.

5. **Weight Consideration**

Leaf springs, especially heavy-duty or multi-leaf designs, add weight to the trailer. While this is negligible for most applications, it may be a minor drawback for lightweight trailers where every pound counts (e.g., small utility trailers or boat trailers).

6. **Potential for Uneven Wear**

If the springs are not properly aligned or if the trailer is overloaded, leaf springs can wear unevenly. This can lead to sagging on one side, axle binding, or premature failure. Regular checks are necessary to ensure balanced wear.

7. **Limited Availability of Custom Sizes**

While 24.62" radius is common, finding exact replacements for non-standard trailer setups can be challenging. Custom fabrication may be required, which increases cost and lead time.

8. **Environmental Sensitivity**

Leaf springs are susceptible to corrosion, especially in wet or salty conditions. Rust can weaken the springs over time, reducing their lifespan. Regular cleaning and protective coatings (e.g., rust inhibitors) are recommended.

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### **Conclusion**

The **Southwest Wheel SR-WH4 Leaf 24.62" Radius End Slipper Trailer Spring** is an excellent choice for **heavy-duty trailers** where durability, load capacity, and simplicity are prioritized. It excels in applications such as utility trailers, horse trailers, or cargo trailers that operate on rough terrain or carry significant weight. The slipper design enhances weight distribution, and the leaf spring s inherent strength makes it a reliable suspension option for long-term use.

However, the trade-offs such as a firmer ride, higher maintenance needs, and limited adjustability may not suit all users. If the trailer is primarily used for **light-duty or passenger-carrying purposes** (e.g., enclosed trailers, RV trailers), alternative suspensions like **coilovers or air suspensions** might offer a smoother ride. For **off-road or extreme load applications**, the leaf spring s robustness is unmatched.

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### **Recommendation**

**Buy this leaf spring setup if:**

- You need a **heavy-duty, low-maintenance suspension** for a trailer that carries significant weight (e.g., 5,000 lbs).

- Your trailer operates on **rough or uneven terrain** (e.g., farm trails, construction sites, off-road use).

- You prefer a **simple, proven design** with minimal mechanical complexity.

- You are willing to **accept a firmer ride** in exchange for durability and longevity.

**Consider alternatives if:**

- You prioritize **ride comfort** (e.g., for passengers or sensitive cargo) and are open to **coil springs or air suspensions**.

- Your trailer is **lightweight** (e.g., under 3,000 lbs), and you want to minimize added weight.

- You frequently tow on **highway speeds** and want to reduce noise and vibration.

**Final Note:**

Always ensure the leaf springs are **properly installed** by a professional and **regularly inspected** for rust, cracks, or worn bushings. Pair them with a **high-quality axle** (e.g., 2-speed or tandem axle) and **properly rated tires** to maximize performance and safety. If in doubt, consult a trailer suspension specialist to confirm compatibility with your specific trailer model.

Details:

These heavy-duty steel springs provide a smooth, controlled ride while supporting variety of trailer types, including utility trailers, boat cargo and RVs. Engineered for strength, stability, and durability. Heavy-Duty Construction Made from high-quality steel for superior durability and long-lasting performance. Ref # UNA-179, WH-4.

Smooth Stable Ride designed to absorb road shocks and reduce trailer sway for improved towing stability. Universal Fitment Compatible with a wide range of trailers, including utility boat and RVs. EMCO 4 Leaf 24.62 Radius end slipper spring 1,000 lbs. 4 Leaf 24.62 Free length , 1,000lbs.

Each spring is rust-resistant, pre-drilled for easy installation, and comes with nylon bushings enhanced longevity. Corrosion-Resistant Coating Protected with a rust-resistant finish to withstand harsh weather conditions and extend lifespan. Easy Installation Pre-drilled eyelet's for quick bolt-on installation; includes nylon bushings added durability.

part #: srwh4 price

  • $26.64

specifications traiparboa:

  • brand: Southwest Wheel
  • mpn: Sr-wh4
  • part type: Spring Trailer
  • country of origin: China
  • upc: 810067325301

returns traiparboa:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted

shipping traiparboa:

  • service: FedEx 2Day
  • cost: $9.99
  • transit: 2-3 Days
  • type: Fixed
  • class: Expedited
  • carrier: FedEx

seller traiparboa:

  • rating: 99.9%
  • # reviews: 9948
  • city: Dallas, Texas

general traiparboa:

  • Parts Accessories > Boat Parts > Trailer Parts
  • condition: New

offer traiparboa:

  • started: March 23, 2026
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home

payments traiparboa:

  • other
  • wallet: Google-pay
  • credit card: Discover
part type: spring trailer, country of origin: china,
category: boat parts > trailer parts, sku: 5088097750072722,
Southwest Wheel SR-WH4 Is Similar To:
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1 offer $26.64 USD
  • New. Offer #1 priced at $26.64 + $9.99 shipping estimate = $36.63* total. Engineered for strength, stability, and durability. EMCO 4 Leaf 24.62" Radius end slipper spring 1,000 lbs.+$9.99 shipping

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