Smiths Heavy Repair provides expert diesel and heavy equipment service throughout Southeast Idaho. We specialize in diagnostics, repairs, and preventative maintenance for trucks, trailers, telehandlers, farm machinery, and construction equipment. From engine rebuilds and hydraulic repairs to DOT inspections, our experienced team delivers fast, reliable service to keep your equipment and fleet running strong.
We offer mobile field service, in-shop overhauls, and clear, honest communication every step of the way. Locally owned and built for the long haul, Smiths Heavy Repair is committed to keeping hardworking equipment working harder.
We also accept used oil for responsible recycling.



Smiths Heavy Repair delivers prompt, top-quality repair and maintenance for heavy equipment, trucks, and fleets. Our experienced, certified technicians and fully-equipped mobile units keep your business running smoothly—anytime, anywhere.

Our team is available around the clock to handle emergencies and get your equipment back on the job fast.
✓ 24/7 emergency dispatch
✓ Quick on-site repairs
✓ Reduced operational delays
Every repair is handled by skilled, certified professionals who specialize in heavy equipment and diesel engines.
✓ Industry-certified staff
✓ Years of hands-on experience
✓ Accurate diagnostics and repairs


Our fully-equipped mobile repair trucks come to you, reducing transport costs and downtime for your fleet.
✓ On-site diagnostics
✓ Equipped for most repairs
✓ Convenient fleet solutions
We handle all types of heavy machinery and construction equipment, using advanced tools for precise repairs.
✓ Broad equipment coverage
✓ Advanced repair technology
✓ Safe and efficient processes


Comprehensive repairs for construction and industrial equipment to minimize downtime and maximize performance.
Expert diagnostics and repair for all diesel engines used in trucks and machinery.


Fast on-site emergency repairs for heavy trucks and equipment, available when you need it most.
Trusted by fleets, truck owners, and construction pros
Smiths Heavy Repair got our excavator back up and running within hours. Their team knows heavy equipment inside and out. We rely on them to keep our projects on track.
Derek H.
When our diesel truck broke down on the highway, Smiths showed up fast and fixed the problem on the spot. Excellent roadside service and knowledgeable techs.
Maria L.
Downtime costs your business money. Get immediate expert help for heavy equipment, diesel, or truck breakdowns—wherever you are. Smiths Heavy Repair is ready 24/7 to get you back on the road or job site fast.