1. Boat Trailer Parts For Sale
  2. sku: 5110962819272722
  3. SOUTHWEST WHEEL SR-7245

SOUTHWEST WHEEL SR-7245 Leaf Radius End Slipper Trailer 810067325332 30.50 Spring

fits model: 500.

Sr-7245 Southwest Wheel 7 Leaf 30.50 Inch Radius End Slipper Trailer Spring 500 Lbs

( Brand: Southwest Wheel ), ( Manufacturer Part Number: SR-7245 ), ( Part Type: Spring Trailer ), ( Country Of Origin: China ), ( UPC: 810067325332 )

Review SOUTHWEST WHEEL Leaf 30.50 Inch Radius End Slipper Trailer Spring Lbs fits 500

The **Southwest Wheel SR-7245 Leaf Spring Trailer End Slipper** is a high-performance, heavy-duty suspension component meticulously engineered to deliver unmatched durability, stability, and load-bearing capacity for commercial and industrial trailers. Designed with a **30.50-inch radius**, this slipper-style spring is built to handle the most demanding applications, including heavy-duty cargo hauling, construction equipment transport, and large-scale logistics operations. The **500-pound capacity** rating ensures reliable support for substantial payloads, reducing stress on the trailer s frame and axles while minimizing wear and tear on other suspension components. Crafted from premium-grade steel, the leaf spring features a robust, layered construction that distributes weight evenly across its surface, enhancing shock absorption and preventing premature fatigue. The **end slipper design** not only secures the spring in place but also allows for smooth articulation, reducing friction and extending the lifespan of the entire suspension system. Whether used in agricultural, industrial, or commercial settings, this spring is a critical upgrade for trailers requiring superior load management and longevity. Its robust build and precision engineering make it an ideal choice for operators seeking a balance of strength, efficiency, and reliability in their trailer suspension setup.

### **Pros and Cons of buying a Southwest Wheel SR-7245 Leaf Spring Trailer (30.50" Radius, End Slipper, 500 lbs Capacity)**

#### **Pros:**

1. **Durable Construction** The SR-7245 is designed with a heavy-duty leaf spring suspension, which provides a smooth ride and better weight distribution compared to some lighter trailer wheels. The leaf springs are built to handle repeated loads without sagging or failing prematurely.

2. **High Load Capacity (500 lbs)** This wheel is rated for a 500-pound capacity, making it suitable for a variety of small to medium-sized trailers, including utility trailers, small boat trailers, or light cargo trailers. It can handle occasional overloading if not consistently pushed to its limit.

3. **End Slipper Design** The slipper-style hub reduces friction and wear on the axle bearings, extending the lifespan of the wheel assembly. This design is particularly beneficial for trailers that may experience side-to-side movement or uneven terrain.

4. **Wide Compatibility** The 30.50" radius fits a broad range of trailer axles, making it a versatile choice for aftermarket replacements or upgrades. It is commonly used on small utility trailers, ATV trailers, and light-duty applications.

5. **Cost-Effective for the Capacity** Compared to some premium trailer wheels, the SR-7245 offers good value for its load rating. It is often more affordable than branded wheels while still providing reliable performance.

6. **Easy Installation** The wheel is designed for straightforward mounting on standard trailer axles, and the slipper hub reduces the risk of binding or misalignment during use.

7. **Good for Off-Road Use** The leaf spring suspension absorbs shocks better than some rigid axle setups, making it a decent choice for light off-road or uneven terrain applications.

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#### **Cons:**

1. **Limited Load Rating** At 500 lbs, this wheel is not suitable for heavy-duty applications such as large boat trailers, RVs, or commercial cargo trailers. If you need higher capacity, you may need to invest in a heavier-duty wheel (e.g., 600 lbs or more).

2. **Leaf Springs Can Degrade Over Time** While durable, leaf springs can weaken or crack with excessive use, especially if the trailer is frequently overloaded or driven on rough terrain. Regular inspections are necessary to prevent failure.

3. **Not Ideal for High-Speed Use** The slipper hub and leaf spring design are optimized for stability and load-bearing rather than high-speed performance. If you frequently tow at highway speeds, a wheel with a more rigid axle or disc brakes may be preferable.

4. **Potential for Rust and Corrosion** Like most trailer wheels, the SR-7245 is exposed to the elements. If not properly maintained (e.g., lubrication, rust protection), the leaf springs and hub can corrode, reducing performance and lifespan.

5. **Limited Availability of Replacement Parts** Some generic trailer wheels may have difficulty finding replacement parts (e.g., bearings, seals, or springs) compared to more widely used brands. Always check availability before purchasing.

6. **Noise Under Heavy Loads** Some users report that leaf spring wheels can produce a slight clanking or rattling noise under heavy loads or when driving over rough surfaces. This is usually not a safety concern but can be annoying.

7. **Not Suitable for Disc Brake Applications** This wheel is designed for drum brakes, not disc brakes. If you need disc brakes, you ll need a different wheel hub.

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### **Conclusion:**

The **Southwest Wheel SR-7245** is a solid, budget-friendly choice for small to medium-sized trailers requiring a 500-pound capacity. Its leaf spring suspension provides a smooth ride and durability for light-duty use, while the slipper hub reduces wear on the axle. However, it is not ideal for heavy loads, high-speed towing, or applications requiring disc brakes. If you need a reliable, cost-effective wheel for occasional use on a small trailer, this is a decent option **but only if it fits your specific needs in terms of load, terrain, and usage frequency.**

For heavier loads or more demanding applications, consider upgrading to a wheel with a higher capacity (e.g., 600 lbs or more) and possibly a more robust suspension system. Always ensure proper maintenance (lubrication, rust protection, and regular inspections) to maximize its lifespan.

### **Recommendation:** - **Buy the SR-7245 if:**

- You need a 500-lb wheel for a small utility trailer, ATV trailer, or light cargo trailer.

- Your trailer operates on relatively smooth roads with minimal off-road use.

- You are on a budget and prioritize affordability over premium features.

- You plan to maintain it properly (check springs, bearings, and lubrication regularly).

- **Avoid or consider alternatives if:**

- You require a wheel for heavy loads (e.g., large boats, RVs, or commercial use).

- You frequently tow at high speeds or on rough terrain.

- You need disc brakes or a more rigid axle setup.

- You cannot commit to regular maintenance to prevent rust and wear.

For best results, pair this wheel with a compatible axle, proper tire selection, and a well-maintained trailer. If possible, test it on your specific trailer setup before committing to a full installation.

Details:

Engineered for strength, stability, and durability. Heavy-Duty Construction Made from high-quality steel for superior durability and long-lasting performance. Easy Installation Pre-drilled eyelet's for quick bolt-on installation; includes nylon bushings added durability. Ref # 72-45, 072-045-00.

7 Leaf 30.50 Radius end slipper spring 7,500 lbs. 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. Corrosion-Resistant Coating Protected with a rust-resistant finish to withstand harsh weather conditions and extend lifespan.

These heavy-duty steel springs provide a smooth, controlled ride while supporting variety of trailer types, including utility trailers, boat cargo and RVs. Each spring is rust-resistant, pre-drilled for easy installation, and comes with nylon bushings enhanced longevity. 7 Leaf 30.50 Free length , 7,500 lbs.

part #: sr7245 price

  • $167.98

specifications traiparboa:

  • for models: 500
  • brand: Southwest Wheel
  • mpn: Sr-7245
  • part type: Spring Trailer
  • country of origin: China
  • upc: 810067325332

offer traiparboa:

  • options: Ship-to-home
  • availability: In Stock
  • started: March 25, 2026
  • sold: 0

seller traiparboa:

  • city: Dallas, Texas
  • rating: 99.9%
  • # reviews: 9957

payments traiparboa:

  • other
  • wallet: Apple-pay
  • credit card: Diners-club

shipping traiparboa:

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

general traiparboa:

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

returns traiparboa:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days
for models: 500, part type: spring trailer, country of origin: china,
category: boat parts > trailer parts, sku: 5110962819272722,
Southwest Wheel SR-7245 Is Similar To:
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1 offer $167.98 USD
  • New. Offer #1 priced at $167.98 + $9.99 shipping estimate = $177.97* total. 7" Leaf 30.50" Free length, 7,500 lbs. 7 Leaf 30.50" Radius end slipper spring 7,500 lbs.+$9.99 shipping

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