Semi Truck on Road

Trusted Tractor Trailer Repair in Azusa, CA

If you drive a semi in or through Southern California, S.E. Smith & Sons, INC. is your answer for honest, practical tractor trailer repair and maintenance. From our facility in Azusa, we work on big trucks throughout the region, offering mobile repair services, BIT and DOT inspections, and much more. Don’t hesitate to call us for tractor trailer service if you’re based in the City of Industry, Monrovia, Baldwin Park, El Monte, Duarte, La Puente, Arcadia, West Covina, or Covina.

row of semi trucks being repaired at S.E. Smith & Sons

We’re Your Answer for Tractor Trailer Repair in Los Angeles County

At S.E. Smith & Sons, we understand you have a lot of money invested in your tractor-trailer, and you want to keep it running strong to make a return on that investment. To help you achieve this goal, we provide the following services:

  • Engine Overhauls
  • Transmission Service
  • Clutch Repair
  • Driveline Repair
  • Electrical Repair
  • A/C Service
  • Computer Diagnostics
  • BIT & DOT Inspections
  • Trailer Fabrication
  • Wheel Alignments

Please see our Services page for more information.

Our family has been in the tractor trailer repair business since 1962, and we understand that when your truck is sidelined, your income has flatlined. We promise to get you back on the road as quickly as possible. Whether you have an engine problem, electronic problem, transmission, or air conditioning issue, we can handle anything thrown our way. We also work on all the big truck makes, including Caterpillar, Cummins, Detroit, Allison, Volvo, Mack, Navistar, Peterbilt, and more, so whatever you drive, you can be confident we have the equipment and experience to work on your truck. We promise when you leave our shop, your tractor trailer will be operating at the top of its game.