About Us

Our History

Diesel Machinery Inc., 30 Years and Counting in BusinessDMI traces its roots back to the J.L. Healy Construction Company, which incorporated in South Dakota in 1932. For 57 years the company concentrated on Highway Construction, and Utility work within the Midwest. In 1982, Pat Healy, J.L's son and CEO of the company, formed the Equipment Distributorship now known as Diesel Machinery, Inc. (DMI). The construction company was sold in 1989 as development of the equipment distributorship advanced. Dan Healy, Pat's son now directs the operations of DMI as President. Dan started with the company in 1989 and has held various positions of increasing responsibility. With the help of Dan Rude (G.M.) and many other long term employees, DMI continues to stay focused on achieving its mission.


Our Mission

Customer satisfaction is job one at DMI - hassle free and no surprises. We seek to achieve long-term customer satisfaction by providing the finest products and outstanding, quick response, value added service at an excellent cost-to-value relationship. Our aim is to be the most successful, respected, professional and innovative new, used and rental equipment distributor in our industry and in the communities we serve.


Our Employees

We will provide a safe, pleasant and challenging work environment where employees have an opportunity to practice and improve their professional job skills. DMI's employees are hard-working, honest, loyal and enthusiastic people who reflect the highest ethical standard in our industry and community. We invite and acknowledge innovative ideas and suggestions and promote team-work and effective communication throughout the organization.


Company News


JCB's TM320 Making a Big Impact on the Farm

With articulated steering, telescopic reach and a huge range of attachments, the JCB TM320 Agri is a supremely productiv...
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Komatsu's New Innovative PC2101 is now available at DMI

Come take a look at the most innovative excavator on the market! With Komatsu's Intelligent Machine Controls...
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Diesel Machinery Skid Steer Blowout

Big news! Diesel Machinery is having a used skid steer blowout! If you have been thinking of a pre-owned skid steer, now is the ...
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