Dave's Diesel Service, Inc.

Dave's Diesel Service, Inc. Top of the Line Diesel Repair Shop David and Theresa Gach started their diesel repair business in 1974. Dave’s Diesel Service Inc. Joseph area.

began in a shop next to their home. Less than two years later, they purchased the land that the current building sits on, and they moved in 1976. Since then, the business has continued to grow. With nearly 20 employees and a building triple the original size, the trucks keep rolling in. The business repairs over-the-road trucks, dump trucks, grain trucks, buses, fire trucks, some agricultural equi

pment and more. is an authorized dealer for CAT and Cummins engine parts and service as well as a satellite dealer for Freightliner. Dave’s stocks a large inventory of parts and can usually have special orders within 24 hours. Our service manager is second to no one. Ben Gach does a tremendous job of running the service department. Dave’s expert mechanics can repair just about anything between the headlights and taillights of a truck. would like to thank its loyal customers, as well as its dedicated employees, for the success during the last 41 years, and the owners look forward to many more years of serving the St.

02/11/2026
Def fluid pushed out of def pump plug in to the harness.
02/11/2026

Def fluid pushed out of def pump plug in to the harness.

12/16/2025
Check us out for any of your inframe and out of frame cat overhaul needs.
10/25/2025

Check us out for any of your inframe and out of frame cat overhaul needs.

10/11/2025

Dave’s Diesel is looking to hire entry level and
experienced diesel mechanics send us your application at [email protected]

05/12/2022

Mechanic will perform repairs and diagnosis of major components and remove/replace major components of various heavy duty truck and trailer equipment at the direction of Service Manager. Expectations include the ability to diagnose and repair the following with little or no supervision: Clutches, PTO Systems, Electric Systems, Hydraulic/ Air Brake systems, Heating/ Air Conditioning Systems, Instruments and Gauges, and Preventive Maintenance Service.

Address

4702 SE US Highway 169
Saint Joseph, MO
64507

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm

Telephone

+18162324542

Website

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