
At Rex Mechanical, we deliver comprehensive onsite repair and maintenance services directly to your job site, addressing all types and brands of heavy equipment. We will travel all throughout Northern California and the Bay Area bringing our shop to you.
Rex Mechanical INC provides comprehensive maintenance and repair solutions for heavy equipment and trucks in Walnut Creek, CA — both on-site (mobile) and at their shop in Concord, CA. Their services are designed to keep commercial vehicles and industrial machinery in Walnut Creek and surrounding Contra Costa County areas dependable and operational with minimal downtime.
Core Service Areas Include:
Routine Maintenance & Fleet Services
Regular upkeep for single vehicles or full fleets in Walnut Creek, along with scheduled inspections to ensure equipment reliability, safety, and compliance.
Mobile Hydraulic Hose Repairs
On-site diagnosis and replacement or fabrication of hydraulic hoses throughout Walnut Creek to fix leaks and restore system performance quickly, minimizing costly downtime.
Mobile Truck Repairs & Modifications
On-location troubleshooting and mechanical repairs in Walnut Creek, CA, including body and frame modifications, to get trucks and heavy equipment back in service fast.
DOT & Compliance Checks
Support for regulatory compliance with inspections and preparation services for commercial vehicles operating in and around Walnut Creek.
Brake, Suspension & Cooling Work
Upgrades and repairs to key systems like brakes, suspension, radiators, and cooling components to ensure safe and reliable operation across Walnut Creek job sites.
Heavy Equipment Component Overhauls
Major repair and rebuild services for machinery parts to extend the life of heavy equipment working throughout Walnut Creek and the greater Bay Area.

























We provide expert maintenance, repairs, and onsite service to keep your fleet running smoothly.
Contact us today and let’s keep your business moving.