Onsite Professional Repair, Welding & Dot Inspection

Discover a new level of convenience with our comprehensive trailer services. From routine maintenance to complex repairs, our team is committed to ensuring your trailer operates at peak performance. Modern Trailer Supply & Repairs is your trusted partner for all things related to trailers, making your journeys safer and more enjoyable.

Dot Inspection

Compliance with DOT regulations is not just about avoiding penalties; it’s about ensuring the safety of your operations and the public. Our certified inspectors conduct thorough onsite DOT inspections, identifying potential issues and providing actionable recommendations to ensure your vehicles meet all safety standards. With our comprehensive approach, we help you navigate the complexities of DOT regulations, ensuring your fleet remains compliant and road-ready.

Complete Welding Solutions

From precision welds to top-notch hubs, drums, and suspension parts, we provide comprehensive services for all your metalwork needs.

Trailer Customizations

Explore the possibilities of custom metal fusion with our welding expertise, enhanced by a comprehensive inventory of hubs, drums, and suspension parts. Trailer customizations, trailer axel repair & replacement. Wheel bearings, and repacking & inspecting. Fender replacements. Landing gear, repairs & replacements. Wood deck replacement.

Custom Toolbox Installation Services

At Modern Trailer Supply & Repairs, we specialize in enhancing the functionality and efficiency of your truck with our custom toolbox installation services. Understanding the diverse needs of our clients, we offer personalized solutions to organize, secure, and protect your tools and equipment while on the move.

Trailer Electrical Systems Repairs

Ensure your trailer is road-ready with Modern Trailer Supply & Repairs’ expert electrical system repair services. From diagnosing wiring issues to installing the latest lighting solutions, our team offers quick, reliable fixes using high-quality components. We prioritize your safety, ensuring all repairs meet regulatory standards. Trust us to keep your trailer’s lights shining bright and your electrical systems functioning flawlessly.

Our Services

Let our experienced staff lead you through equipment installation, answer questions, and supply you with correct parts for your trailer and truck. We service and repair your trailers in our shop. We can also fill your needs for truck and vehicle accessories.

• Axles
• Bearings, Races, & Seals
• Brakes-Electric & Hydraulic
• Hubs & Drums
• Pintle Hooks & Mounts
• Suspension

Over 7000 Parts

And over 100 Years Experience

Alhambra Arcadia Avocado Heights Azusa Baldwin Park Bassett Bradbury Charter Oak Citrus City of Industry Covina Diamond Bar Duarte East Pasadena El Monte Glendora Hacienda Heights Hillgrove Irwindale La Puente Los Angeles (El Sereno) Mayflower Village Monrovia Montebello (northern portion) Monterey Park North El Monte Pasadena Pomona Ramona Rosemead Rowland Heights Rose Hills San Dimas San Gabriel San Marino San Pasqual Sierra Madre South El Monte South Pasadena South San Gabriel South San Jose Hills Temple City Valinda Vincent Walnut West Covina West Puente Valley

 
 
 
  Excellent  
    
 Based on 87 reviews 
 
 
  
 
 
 
 
 
 
 
 
  
 
 
 
  
 
 
 carol wimbish 
 
2023-10-15
 
 
  
OUTSTANDING!! From the moment u call everyone is so helpful, knowledge and patience.  Tim the owner is so amazing.  He can help you with anything trailer related.  No one has the knowledge.  This company has been in business since 1947 for a reason.  Thank you for all you do.  Carol W.
  
 
  
 
 
 
  
 
 
 Kai Kong 
 
2023-09-16
 
 
  
Really nice people and very informative and helpful so I could get all fixed up and had a ton of parts
  
 
  
 
 
 
  
 
 
 Alfredo Aispuro 
 
2023-09-06
 
 
  
Always get excellent customer service if you're ever looking for anything for a trailer check them out reasonable prices too.
  
 
  
 
 
 
  
 
 
 Xhavier Mendoza 
 
2023-08-25
 
 
  
Modern Trailer supply company has many products and services to provide. The staff are great and are very helpful.
  
 
  
 
 
 
  
 
 
 Kevin Chi 
 
2023-07-06
 
 
  
Owner is VERY knowledgeable about trailer and he can direct right source for any repair or maintenance.
I can find almost any parts possible and are displayed on table.
Highly recommended.
  
 
  
 
 
 
  
 
 
 Art Hernandez 
 
2023-07-04
 
 
  
Timothy is super helpful and knowledgeable. great place to pick trailer repair supplies.