Heavy Equipment Repair & Fabrication
Based in Concord, CA and serving Northern California and the Bay Area. At your job site or in our shop.
Emergency service 24/7
Equipment and truck makes we service
Two ways to get equipment repaired
What We Work On
Heavy equipment and trucks — single machines and whole fleets.
Onsite equipment repair
We deliver comprehensive repair and maintenance services directly to your job site.
In-shop equipment repair
Drop off or schedule a transport to our shop. test
Line boring & bore repair
Through bore welding, we restore material in worn-down areas prior to machining to precise dimensions and tolerances.
Heavy-duty welding
Repairs designed for longevity and adherence to industry standards, whether performed in our facility or at your location.
Hydraulic repair
Pressure and flow testing, cylinder rebuilds, and leak identification.
Computer diagnostics
OEM and aftermarket scan tools quickly pinpoint issues and reduce downtime.
24/7 emergency service
When downtime isn't an option, we respond day or night to get you back in service.
Job Showcase
Machines that were down, and aren’t any more.
Excavator bucket welding
Pin bosses and wear edges on a large excavator bucket, welded and dressed in the shop. Structural welding on the parts that take the hits: buckets, booms and attachments.
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We service it all
The makes that come through most. If yours isn’t here, ask.
When uptime is critical, call REX Mechanical
We provide expert maintenance, repairs and onsite service to keep your fleet running smoothly. Contact us today and let’s keep your business moving.
Mon–Fri, 7:00AM – 5:00PM · Emergency service 24/7