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Hours of Operation: 7:30am-5:00pm CST / Monday-Friday   

     

Dallas, TX: 1-800-866-3336   

Servicing the Truck and Trailer Parts Industry Since 1919 .

The Society of Automotive Engineers (SAE) has established four classifications of trailers. A trailer's maximum loaded weight determines its classification.

Class I - Light-Duty
  • 2,000 - pound maximum
  • Folding camping trailers and trailers for small boats, motorcycles, snowmobiles and jet skis
  • Weight-carrying hitch

Class II - Medium-Duty
  • 3,500 - pound maximum
  • Single-axle, small to medium length (up to 18 feet) trailers
Class III - Heavy-Duty
  • 5,000 - pound maximum
  • Dual-axle or larger single-axle trailers
Class IV - Extra Heavy-Duty
  • 10,000 - pound maximum
  • Largest travel trailers made for recreation
  • Weight-distributing hitch required
Class V - Extreme Duty
  • 15,000 - pound maximum for travel trailers
  • 25,000 - pound maximum for fifth wheels
  • 30,000 - pound maximum for goosenecks
   
 

                              

 

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  Toll Free: 1-800-866-3336 - Local: 214-631-0200

Southwest Wheel 8740 John W Carpenter Frwy. Dallas, TX 75247

 

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