Unexpected diesel problems can quickly bring your operation to a stop. Smitty & Sons Repair provides general diesel repair in Lewiston, ID, offering expert diagnostics and repairs for trucks, trailers, and heavy equipment at your location or our fully equipped repair shop.


General Diesel Repair in Lewiston, ID
Unexpected diesel problems can bring your operation to a stop. Smitty & Sons Repair provides general diesel repair in Lewiston, ID through our repair shop and mobile service, delivering dependable diagnostics and repairs for trucks, trailers, and heavy equipment.
Full-Service Diesel Repairs
Diesel equipment works hard every day, and repairs should be completed by technicians who understand every major system. Our team performs repairs at our Lewiston shop and provides mobile service for vehicles and equipment that cannot easily be transported.
Our general diesel repair services include:
- Diesel engine diagnostics and repairs
- Fuel system troubleshooting and injection repairs
- Air and coolant system fixes
- Steering and suspension issues
- Exhaust leaks and DPF faults
- Belt, hose, and sensor replacements
We work on trucks, trailers, and equipment of all types—delivering fast, no-nonsense repair work on location.
Why Choose Smitty & Sons for Diesel Repairs?
Accurate diagnostics are the foundation of every successful repair. Our technicians take the time to identify the root cause of the problem before recommending the most effective solution. Mobile service allows us to complete many repairs at your location, while our Lewiston repair shop is equipped for larger or more involved repair work.
Customers choose Smitty & Sons Repair because we provide:
- In-shop and mobile diesel repair services
- Experienced technicians working on all major diesel systems
- Honest recommendations and clear communication
- Quality repairs focused on long-term reliability
- Responsive service that helps reduce downtime
Lewiston Semi-Truck and Diesel Mechanics
Finding the right semi-diesel mechanic in Lewiston matters when your truck develops a problem that affects reliability, drivability, or uptime. Smitty & Sons Repair works with owner-operators, commercial drivers, and fleets that need experienced diesel support for heavy-duty trucks and equipment.
If you are looking for a semi-truck mechanic in Lewiston, our team can evaluate the issue at our shop or provide mobile service when the vehicle cannot easily be brought in. This gives local operators a practical option for getting diesel problems diagnosed without adding unnecessary delays.
Certified for Heavy-Duty Diesel Repairs
Reliable diesel repairs start with experienced technicians. Our team is certified in heavy-duty vehicle and truck maintenance and comprehensive air brake inspection and maintenance. These certifications support the knowledge and skills needed to diagnose and repair a wide range of heavy-duty diesel truck systems.
From engine and electrical diagnostics to brake, suspension, and drivetrain repairs, we focus on quality workmanship that keeps your truck dependable. Every repair is completed using proven repair practices, helping you get back on the road safely and with confidence.
Need Diesel Repairs in Lewiston, ID? Call 208-791-0677 Today!
Skip the tow. Call 208-791-0677 now and get mobile general diesel repair services in Lewiston, ID. Smitty & Sons Repair is ready to get you back on the road fast.
FAQs
How Do I Get to Smitty & Sons Repair in Lewiston?
Smitty & Sons Repair is located at 2310 5th Ave N, Lewiston, ID 83501, with convenient access from US-95 and US-12, making it an easy stop for commercial trucks traveling through the Lewiston-Clarkston Valley. You'll find our shop near the intersection of 5th Ave N and 23rd St, close to Lewiston Motor Company and Lewiston Veterinary Clinic, making it easy to find when you're looking for general diesel repair in Lewiston, ID.
What Areas Do We Service for General Diesel Repair?
We proudly provide general diesel repair throughout Lewiston, Lewiston Orchards, Lapwai, Genesee, Culdesac, Juliaetta, Moscow, Orofino, Peck, Craigmont, Troy, Potlatch, Onaway, Cottonwood, Nezperce, Grangeville, and Kamiah, ID, as well as Clarkston, Asotin, Uniontown, Pullman, Pomeroy, Colfax, and Palouse, WA. If you're located anywhere in the Lewis-Clark Valley or the surrounding region, our team is ready to help keep your truck on the road.
What types of diesel vehicles do you repair?
We work on everything from light-duty pickups to Class 8 trucks, trailers, and heavy equipment—anywhere in or near Lewiston, ID.
Can you diagnose issues on-site?
Yes, we use advanced diagnostic tools to identify issues accurately—without needing to visit a shop.
Do you offer emergency repair services?
We offer both scheduled and emergency diesel repair with in-shop repairs if you need scheduled maintenance. For after-hours support, our 24/7 roadside assistance is also available.
What if I don’t know what’s wrong?
No problem. We’ll start with a full diagnostic test and let you know exactly what the issue is and how we’ll fix it.
Our Heavy-Duty Diesel Mechanic Services
At Smitty & Sons Repair, we offer a full lineup of diesel mechanic services designed to keep your vehicles and equipment running strong. We perform DOT inspections to ensure your rig meets all federal safety regulations. Our general diesel repair covers everything from leaks to sensor issues, while our fleet services are tailored to help businesses stay compliant and on schedule. We provide service in shop in Lewiston & mobile truck repair with fast response times to the surrounding areas.
Testimonials
Here's what our customers are saying. And feel free to leave us a review of your own!
Kyle Neal










