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About David’s Heavy Duty Tools

David’s Heavy Duty Tools provides comprehensive diagnostic software, hardware and laptop kits for every diesel engine. Our technology quickly diagnoses any engine issue, interprets provided codes and diagnoses necessary repairs even beyond warranty. Plus, available updates are one click away.

Founded by Grand Rapids, Michigan native David Martin in 2016, David’s Heavy Duty Tools provides an unrivaled experience in the marketplace. As a former Marine, David values excellence and transparency — which directly impacts every area of our business, from customized, no-nonsense service, to premium specialized products and only the highest quality (often hard to find) tools. Our unique approach, niche product line and commitment to go the extra mile for our customer raises the bar for excellence industry-wide.