A & G II Hwy 37 & I-90 Services

AMBEST Service Center  •  Over 45 Years of Experience  •  Convenient & Affordable Repairs

Hero Phone Number

Exceptional Customer Service and Dependable Work

As an AMBEST service center, A & G Diesel, Inc offers the very best in diesel truck repair services.


We offer the most reliable diesel repair services in the area when you need them most. We are a safe choice when your truck experiences problems and breakdowns.


Traveling to a terminal may not always be the best option, but you can make a smart choice by bringing your truck to our shop to be serviced. We provide convenient and affordable repair services with honest prices and the most reliable workmanship.


Our mechanics did not earn their reputation for being one of the finest and most preferred service shops in the area by cutting corners, we earned it by providing exceptional customer service and dependable work at an honest price. Contact us today to schedule an appointment.

Honest Pricing and Reliable Services

  • AMBEST service center
  • Tires
  • Bridgestone National Account
  • Michelin National Account
  • New
  • Used
  • Retread
  • DOT inspections
  • Road service

Get the Best Roadside Assistance in the Area

Call Today

(605) 996-3536

(605) 996-3536
hibu-tm

The crew at A&G are great!!! I can't say enough good things about these people. I broke down on I-90 in my semi. The roadside repairman got me going enough to get to their shop, where they were able to fix me enough to make my delivery in Kendall, S.D. The price was very reasonable. Thanks for your help.

- Walt Fitzpatrick, Google Review

Ambest Service Center

Learn More About

A & G Diesel, Inc.

Play Video