A & J Truck Repair has been serving Southern California for more than 30 years. From humble beginnings A & J has transformed into a powerhouse of diesel repair and truck service Redlands to Ontario. Headquarters in Norco, CA we are a short drive from most points in Southern California, offering the best in Diesel Truck Repair.

We specialize in boom truck, digger derrick repair, bucket truck repair, boom truck repair and replacement, bucket truck boom repair, hydraulic boom truck repair, boom truck crane repair, yard spotter’s, airplane tug, beverage trucks and trailers, truck bodies, cab & chassis, cable puller, cargo and service vans, chipper trucks, cranes, day cabs and tractors, dry vans, fuel trucks, dump trucks, Dur-a-Lift trucks, fiber trailers, flatbed dump trucks, flatbed trucks, forklifts, reel and pole trailers, roll off trucks, service utility trucks, Terex tree trucks, trailers, water trucks, yard spotters, to name a few of the trucks we service and repair.

WHY CHOOSE US

  • We make truck repair and maintenance more convenient for you
  • We are friendly, helpful and professional
  • Our mechanics know how to handle a wide range of diesel truck repair services
  • We get the job done right — the first time
  • Same day service for most repairs and maintenance
%
CUSTOMER SATISFACTION
ANNUAL INSPECTIONS
TIRES REPAIRED A YEAR
BIT INSPECTIONS
  • Jim and his crew are hands down the best. After encountering the same problems with our truck our last hope was Jim and he came through. Not only did he fix the issues several mechanics couldn't fix. He also kept us inform of the entire process. Honesty and fair prices is what made us lifetime clients of A & J Truck Repair. Thank you.

    Jess Olivares
  • Very professional, installed my 48 gallon Titian fuel tank correctly with no problems.

    Hal Dexter Jones Sr.
  • Excellent customer service! Just stopped by to have a battery cable made. They did it on the spot in minutes! Great job! Thank you.

    Sean Sowersby

THE BEST BUMPER-TO-BUMPER DIESEL TRUCK REPAIR & SERVICE IN SOUTHERN CALIFORNIA

At A & J Truck Repair, excellence isn’t just a promise—it’s our standard. Our meticulous attention to detail means every bolt, nut, and wiring harness meets exact factory specifications. We complete every repair with a comprehensive test drive, guaranteeing your truck or commercial vehicle is ready to get back to work.

ROUTINE MAINTENANCE

Oil changes, brake service, tire change, electrical issues and air conditioning repair.

INSPECTIONS

Bit inspections, annual inspections, and emissions testing for commercial trucks.

REPAIRS

Engine repairs, hydraulic repairs, diesel engine repairs diesel repowering and reefer unit repairs.

SPECIALIZED SERVICES

Work on specific types of trucks like boom trucks, bucket trucks, and motorhome chassis.

DIAGNOSTICS

Identifying and troubleshooting issues with engines, transmissions, and other key components.

PARTS & COMPONENTS

Replacement of parts and access to specialized components for various truck brands and models.

© 2025 Commerce Truck & Equipment Sales LLC