More Than 25 Years Experience

At R.T.R Truck Repair in Fenton, MO we are a dedicated shop, ready to help with any of your repair needs. We specialize in full service diesel repair for your light, medium, and heavy duty trucks. If it's broken, we can fix it. And if it's not broken, we can help you set up a maintenance schedule to make your vehicle run longer with our reasonable prices and honest work.




With over 25 years experience we continue to pride ourselves on customer satisfaction by maintaining high quality service and putting driver safety first. For us, fixing trucks is a way of life. WE LOVE THIS TRUCKIN! If we don't have grease and dirt under our fingernails then we're not doing our job. 


  • ​Air Conditioning

  • Alternators

  • Anti-Lock Brakes (ABS)

  • Batteries

  • Belts & Hoses

  • Brakes 

  • Clutches

  • Catalytic Converters

  • Complete Electrical Repair

  • Complete Trailer Repair

  • Computer Diagnostics

  • Programming

  • ​Check Engine Lights

  • Drive Axles

  • Engine Overhauls

  • Electrical Systems

  • Exhaust System & Mufflers

  • Diesel Particulate Filter Service

  • Fuel Injection Cleaning

  • Heating System

  • Oil Change

  • Power Windows & Doors

  • Radiators

  • Scheduled Maintenance

  • Starters

  • Steering

  • Suspension

  • Transmission Service

  • Tune-up

  • U-joints

  • Water Pumps

  • Wheel Bearings

Is your truck needing a regular DOT inspection? Annual inspections ensure your vehicle is safe for traveling, so you won't be ticketed. We inspect both trucks and trailers while checking and approving all necessary safety regulations.

  • DOT Inspections

  • State Inspections

  • Preventive Maintenance

Authorized Dealers



112 Little Bussen

Fenton, MO  63026

Phone # (636) 349-1787

Fax # (636) 326-8255

Monday          8:00am - 4:00pm

Tuesday          8:00am - 4:00pm

Wednesday     8:00am - 4:00pm

Thursday         8:00am - 4:00pm

Friday             8:00am - 4:00pm

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