1. Boat Trailer Parts For Sale
  2. sku: 5086329060072722
  3. SOUTHWEST WHEEL DE-7240

SOUTHWEST WHEEL DE-7240 Leaf Double Mobile Spring 810067325288 25.25

De-7240 Southwest Wheel 1 Leaf 25.25 Inch Double Eye Mobile Home Spring 3 000 Lbs

( Brand: Southwest Wheel ), ( Manufacturer Part Number: DE-7240 ), ( Part Type: Spring ), ( Country Of Origin: China ), ( UPC: 810067325288 )

Review SOUTHWEST WHEEL Leaf 25.25 Inch Double Eye Mobile Home Spring Lbs

The **Southwest Wheel DE-7240 Leaf 25.25 Double Mobile Spring** is a meticulously engineered, high-performance leaf spring designed for heavy-duty applications, particularly in commercial and industrial off-road vehicles, agricultural equipment, and rugged utility trucks. This spring is part of Southwest Wheel s **DE series**, renowned for its durability, precision engineering, and adaptability to demanding environments. Constructed from high-grade, heat-treated alloy steel, the DE-7240 features a **25.25-inch leaf length**, providing a robust load-bearing capacity while maintaining structural integrity under extreme stress. Its **double mobile design** incorporates a unique pivot system that allows for smooth articulation and reduced wear on suspension components, making it ideal for vehicles operating on uneven terrain, construction sites, or off-road conditions where suspension flexibility is critical. The spring s **leaf 25.25 configuration** ensures optimal weight distribution and load support, minimizing sag and enhancing ride comfort while carrying heavy payloads. Engineered with Southwest Wheel s signature attention to detail, this spring is built to withstand constant flexing, harsh climates, and prolonged use without compromising performance. Whether integrated into a lift truck, a utility vehicle, or a specialized off-road platform, the DE-7240 delivers reliable suspension performance, extended service life, and the strength required for the most rigorous applications. Its compatibility with a range of suspension setups and aftermarket modifications further solidifies its reputation as a versatile and dependable choice for professionals who demand nothing less than premium engineering.

### Pros and Cons of buying a Southwest Wheel De-7240 Leaf Spring (25.25" Double Mobile Spring)

#### **Pros:**

1. **Durability and Strength** The De-7240 is a heavy-duty leaf spring designed for commercial and heavy-duty applications, including trucks, trailers, and off-road vehicles. Its robust construction ensures long-lasting performance under high loads.

2. **High Load Capacity** This spring is engineered to handle substantial weight, making it ideal for towing, hauling, or supporting heavy payloads without sagging or failing prematurely.

3. **Compatibility with Mobile Spring Systems** The "double mobile spring" design allows for better weight distribution and shock absorption, reducing stress on the axle and suspension components.

4. **Widely Available and Easy to Replace** As a standard replacement part for many truck and trailer models, finding a replacement or compatible parts is straightforward.

5. **Cost-Effective for Heavy Use** While the upfront cost may be higher than lighter-duty springs, its longevity and reliability make it a cost-effective choice for frequent heavy use.

6. **Improved Ride Comfort** Properly installed leaf springs enhance ride quality by absorbing road imperfections, reducing jarring impacts on the vehicle and cargo.

7. **Compatibility with Aftermarket Upgrades** Many aftermarket suspension components (e.g., sway bars, shocks) can be paired with this spring for further customization.

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#### **Cons:**

1. **Higher Initial Cost** Compared to lighter-duty or passenger vehicle springs, the De-7240 is more expensive, which may be a barrier for budget-conscious buyers.

2. **Heavy Weight** The spring itself is heavy, which could complicate installation, especially for DIYers without proper lifting equipment.

3. **Requires Professional Installation** Improper installation can lead to premature failure, uneven wear, or damage to the axle or frame. Professional fitting is recommended.

4. **Limited Lifespan Under Extreme Conditions** While durable, prolonged exposure to extreme loads, harsh environments (e.g., salt corrosion, off-road abuse), or lack of maintenance can shorten its lifespan.

5. **Potential for Sagging Over Time** Heavy or continuous overloading can cause the spring to sag or lose tension, requiring periodic adjustments or replacements.

6. **Noise and Wear Over Time** As with all leaf springs, metal fatigue and wear can lead to rattling or squeaking noises, especially if the shackles or bushings degrade.

7. **Not Universal Fit** While common, it may not fit every truck or trailer model without modifications or additional parts (e.g., spacers, adapters).

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### **Conclusion:**

The Southwest Wheel De-7240 Leaf Spring (25.25" Double Mobile Spring) is a high-quality, heavy-duty component suited for commercial vehicles, trailers, and off-road applications where strength and load capacity are critical. Its durability and compatibility with mobile spring systems make it a reliable choice for users who prioritize performance and longevity. However, the higher cost, weight, and need for professional installation may deter some buyers, particularly those on a tight budget or tackling DIY projects without proper tools.

For most heavy-duty applications such as towing, work trucks, or high-capacity trailers this spring is a solid investment. If you re operating in extreme conditions or need maximum load support, the benefits outweigh the drawbacks. Conversely, if you re working with lighter loads or a passenger vehicle, a lighter-duty spring may be more appropriate.

### **Recommendation:** Purchase the Southwest Wheel De-7240 Leaf Spring if:

- You need a heavy-duty spring for commercial, towing, or off-road use.

- You re willing to invest in professional installation to ensure safety and longevity.

- Your vehicle or trailer requires a high-load-capacity suspension component.

Avoid it if:

- You re on a tight budget and can opt for a lighter-duty or aftermarket alternative.

- You lack the tools or expertise for proper installation.

- Your application doesn t demand the spring s heavy-duty specifications.

For optimal results, pair this spring with compatible shackles, bushings, and shocks, and perform regular inspections for wear or damage. Always follow manufacturer guidelines for installation and load limits.

Details:

Heavy-Duty Construction Made from high-quality steel for superior durability and long-lasting performance. Smooth Stable Ride designed to absorb road shocks and reduce trailer sway for improved towing stability. Easy Installation Pre-drilled eyelet's for quick bolt-on installation; includes nylon bushings added durability. Each spring is rust-resistant, pre-drilled for easy installation, and comes with nylon bushings enhanced longevity.

Ref # UNA-115, 72-40, TE-30, 072-040-00. Engineered for strength, stability, and durability. Corrosion-Resistant Coating Protected with a rust-resistant finish to withstand harsh weather conditions and extend lifespan. EMCO 1 Leaf 25.25 double eye spring 3,000 lbs each.

1 Leaf 25.25 Free length , 3,000 lbs. 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.

part #: de7240 price

  • $33.99

specifications traiparboa:

  • brand: Southwest Wheel
  • mpn: De-7240
  • part type: Spring
  • country of origin: China
  • upc: 810067325288

returns traiparboa:

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

seller traiparboa:

  • city: Dallas, Texas
  • # reviews: 9947
  • rating: 99.9%

general traiparboa:

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

payments traiparboa:

  • credit card: Diners-club
  • wallet: Paypal
  • other

offer traiparboa:

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

shipping traiparboa:

  • class: Expedited
  • carrier: FedEx
  • service: FedEx 2Day
  • transit: 2-3 Days
  • cost: $9.99
  • type: Fixed
part type: spring, country of origin: china,
category: boat parts > trailer parts, sku: 5086329060072722,
Southwest Wheel DE-7240 Is Similar To:
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1 offer $33.99 USD
  • New. Offer #1 priced at $33.99 + $9.99 shipping estimate = $43.98* total. EMCO 1 Leaf 25.25" double eye spring 3,000 lbs each. Engineered for strength, stability, and durability.+$9.99 shipping

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