1. Boat Trailer Parts For Sale
  2. sku: 5087938850072722
  3. SOUTHWEST WHEEL SO-C4

SOUTHWEST WHEEL SO-C4 Leaf End Slipper Trailer Spring 810067325318 26.25

fits model: 350.

So-c4 Southwest Wheel 4 Leaf 26.25 Inch Open End Slipper Trailer Spring 2 350 Lbs

( Brand: Southwest Wheel ), ( Manufacturer Part Number: SO-C4 ), ( Part Type: Spring Trailer ), ( Country Of Origin: China ), ( UPC: 810067325318 )

Review SOUTHWEST WHEEL Leaf 26.25 Inch Open End Slipper Trailer Spring Lbs fits 350

The **Southwest Wheel SO-C4 Leaf 26.25" End Slipper Trailer Spring** is a high-performance, heavy-duty suspension component meticulously engineered to deliver superior load-bearing capacity, durability, and smooth ride quality for commercial and heavy-duty trailers. Designed with precision, this leaf spring features a robust **26.25-inch leaf length**, providing ample leverage and flexibility to absorb shocks, jolts, and uneven road surfaces while maintaining stability under extreme loads. Crafted from high-grade **steel alloys**, the spring is heat-treated and stress-relieved to ensure optimal resilience against fatigue, corrosion, and wear, making it ideal for demanding applications such as utility trailers, dump trailers, agricultural equipment, and heavy-duty cargo carriers. The **end slipper design** enhances the spring s articulation, allowing for greater movement at the axle while reducing stress on the spring leaves and bushings, thereby extending the lifespan of the entire suspension system. With a **spring rating of 350 lbs per leaf**, this component is engineered to support substantial payloads while maintaining consistent performance across a wide range of operating conditions. Whether used in off-road scenarios, on rough terrain, or in high-impact environments, the SO-C4 leaf spring ensures reliable shock absorption, reduces axle and frame fatigue, and contributes to a more comfortable and controlled towing experience. Its robust construction and engineering excellence make it a trusted choice for professionals seeking a balance of strength, longevity, and performance in their trailer suspension systems.

### Pros and Cons of Buying a Southwest Wheel SO-C4 Leaf Spring Trailer (26.25" End Slipper, 350 lbs Capacity)

#### **Pros:**

1. **Durability and Strength** The leaf spring construction provides robust load-bearing capacity, making it suitable for heavier trailers or towing applications where stability is critical. The 350 lb capacity is designed to handle moderate loads, reducing the risk of sagging or failure under normal use.

2. **Reliability** Leaf springs are known for their durability and longevity, especially in commercial or heavy-duty applications. They are less prone to sudden failures compared to some rubber or air suspension systems, which can degrade over time.

3. **Cost-Effective** Leaf springs are generally less expensive to manufacture and maintain than modern suspension systems like airbags or coilovers. Replacement parts (shock absorbers, bushings, etc.) are widely available and affordable.

4. **Simplicity** The design is straightforward, with fewer moving parts than complex suspension systems. This makes maintenance easier for those comfortable with basic mechanical work.

5. **Compatibility** The 26.25" end slipper design is a common wheel size for utility trailers, making it easy to find replacement parts, tires, and accessories. It fits standard trailer frames and is widely used in agricultural, construction, and recreational settings.

6. **Good for Off-Road Use** The sturdy construction and lower profile can handle rough terrain better than some lighter suspension systems, making it a practical choice for off-road or uneven surfaces.

7. **No High-Tech Requirements** Unlike air suspension systems, leaf springs do not require electrical components, pumps, or regular pressure checks, reducing maintenance hassles.

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#### **Cons:**

1. **Rough Ride Quality** Leaf springs provide a firmer ride compared to coil springs or air suspension, which can lead to more vibration and discomfort, especially over long distances or rough roads.

2. **Limited Adjustability** Unlike air suspension systems, leaf springs cannot be easily adjusted for load variations. If the trailer is frequently overloaded or underloaded, the ride quality may suffer, or the springs may wear unevenly.

3. **Maintenance Over Time** While durable, leaf springs can develop issues like rust, broken leaves, or worn bushings over time. Regular inspections are necessary to prevent sudden failures, which can be costly if not caught early.

4. **Weight** Leaf springs add weight to the trailer, which may slightly reduce fuel efficiency when towing, especially if the trailer is already heavy.

5. **Less Common in Modern Applications** Some newer trailers or towing setups prefer coil springs or air suspension for better ride comfort and load distribution. This may limit compatibility with certain modern trailer designs or accessories.

6. **Potential for Sagging** If the trailer is overloaded or the springs are worn, the axle may sag, leading to poor handling, tire wear, or even damage to the trailer frame.

7. **Limited Load Distribution** Leaf springs distribute weight differently than coil or air systems, which can affect how the trailer handles uneven loads or sharp turns.

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### **Conclusion:**

The Southwest Wheel SO-C4 leaf spring trailer axle is a solid, no-frills choice for those prioritizing durability, simplicity, and cost-effectiveness. It excels in heavy-duty or off-road applications where a firm, reliable suspension is preferred over a plush ride. However, if you frequently tow on paved roads for long distances or need adjustable suspension for varying loads, a more modern suspension system might be a better fit.

For most utility trailers, agricultural equipment, or light-duty towing (within its 350 lb capacity), this axle is a practical and dependable option. It requires minimal maintenance compared to high-tech alternatives but may not offer the same level of comfort or adjustability.

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### **Recommendation:** Buy this axle if:

- You need a **durable, low-maintenance** suspension for a **utility trailer, farm equipment, or light-duty towing**.

- You prioritize **strength and simplicity** over ride comfort.

- You operate in **rough or off-road conditions** where a firm suspension is beneficial.

- You want **affordable parts and easy replacements**.

Avoid or consider alternatives if:

- You frequently tow on **highways or smooth roads** and prefer a **softer ride**.

- You need **adjustable suspension** for varying loads (e.g., air suspension).

- You re towing **heavier loads** beyond the 350 lb capacity (check local regulations and trailer weight limits).

- You want **modern features** like electronic load sensing or automatic leveling.

For most users, this axle is a **good, budget-friendly choice** that balances cost, durability, and performance for its intended use. If you re unsure, test it in your specific setup or consult a trailer specialist to ensure it meets your needs.

Details:

Engineered for strength, stability, and durability. Universal Fitment Compatible with a wide range of trailers, including utility boat and RVs. These heavy-duty steel springs provide a smooth, controlled ride while supporting variety of trailer types, including utility trailers, boat cargo and RVs. Ref # UNA-264, C-4.

Heavy-Duty Construction Made from high-quality steel for superior durability and long-lasting performance. Corrosion-Resistant Coating Protected with a rust-resistant finish to withstand harsh weather conditions and extend lifespan. 4 Leaf 26.25 Free length , 2,350 lbs. Each spring is rust-resistant, pre-drilled for easy installation, and comes with nylon bushings enhanced longevity.

Smooth Stable Ride designed to absorb road shocks and reduce trailer sway for improved towing stability. EMCO 4 Leaf 26.25 open end slipper spring 2,350 lbs. Easy Installation Pre-drilled eyelet's for quick bolt-on installation; includes nylon bushings added durability.

part #: soc4 price

  • $43.99

specifications traiparboa:

  • for models: 350
  • brand: Southwest Wheel
  • mpn: So-c4
  • part type: Spring Trailer
  • country of origin: China
  • upc: 810067325318

offer traiparboa:

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

shipping traiparboa:

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

seller traiparboa:

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

payments traiparboa:

  • other
  • credit card: Mastercard
  • wallet: Paypal

returns traiparboa:

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

general traiparboa:

  • Parts Accessories > Boat Parts > Trailer Parts
  • condition: New
for models: 350, part type: spring trailer, country of origin: china,
category: boat parts > trailer parts, sku: 5087938850072722,
Southwest Wheel SO-C4 Is Similar To:
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1 offer $43.99 USD
  • New. Offer #1 priced at $43.99 + $9.99 shipping estimate = $53.98* total. Engineered for strength, stability, and durability. EMCO 4 Leaf 26.25" open end slipper spring 2,350 lbs.+$9.99 shipping

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