About us
Our Story
Four Decades of Keeping Trucks on the Road
Superior Diesel has been supporting truck and trailer operations for over 45 years. Founded in 1979 in Waterman, we expanded to DeKalb in 2012 to better serve fleets and owner-operators across the region
We focus on one thing: keeping your trucks moving with minimal downtime
- In-stock heavy-duty truck parts for fast turnaround
- Reliable service and repair for trucks and trailers
- Preventative maintenance programs to reduce breakdowns
- Roadside support when you need it most
Whether you need the right part quickly or full-service repair, our team delivers the speed, quality, and support you can depend on
Whether it’s parts, service, or both, we’re here to keep your trucks on the road
Quality Service
We're here to provide them with timely repairs and skilled workmanship. Superior Diesel is here to help in any way.
Customer First
Our customers know they can depend on us. We treat every truck like it's our own and every customer like family.
Fast Response
Whether it's preventive maintenance or emergency repairs, we respond quickly to get you back on the road.
Expert Team
Our technicians are ASE certified and continuously trained on the latest diesel technology and repair techniques.
Certified Excellence
As a Cummins authorized dealer and ASE certified shop, we maintain the highest industry standards.
Competitive Pricing
Fair, transparent pricing with no hidden fees. We offer fleet maintenance programs to keep costs manageable.
Our Expertise
Comprehensive Repair Services
Our technicians perform all types of repairs, Preventive Maintenance Services or more extensive repairs, whatever meets your needs. From the Watermanand DeKalb small independent owner operator and owner operators, all the way up to help you in any way.
Our Locations
Visit one of our two convenient locations or give us a call. We're here to help!
DeKalb Location
197 Harvestore Dr., Suite 1 DeKalb, Illinois 60115
- 815-748-0754
- service@superiordiesel.com
- 815-748-0755
Waterman Location
350 W. Lincoln Hwy Waterman, Illinois 60556
- 815-264-3581
- service@superiordiesel.com
- 815-264-7812
Ready to Experience Superior Service?
Let us show you why we've been DeKalb's trusted diesel repair experts for over 40 years. Call today or schedule your service online.
