Who we are

ROQ is your trusted mobile diesel and hydraulic repair specialist serving San Antonio, Southwest Texas, and surrounding areas. We bring expert, on-site service directly to your job site, yard, fleet yard, highway breakdown, or facility—eliminating downtime, towing costs, and shop delays.

Our team of experienced technicians specializes in:

• Diesel engine diagnostics, repairs, and maintenance (heavy-duty trucks, semis, construction equipment, agricultural machinery, and industrial applications)

• Hydraulic system services — troubleshooting, hose replacements, pump repairs, line fabrication, and fluid system filtration.