Tailored to you, to keep you on the road for less
Services
Expert Mobile Repair Services | Available 24/7
ACS Diesel Repair brings dealership-level technology and heavy-duty mechanical expertise directly to your location. We service all makes and models, ensuring your fleet stays operational and your downtime remains minimal.
Advanced Engine Diagnostics & Repair
Our specialty. We don’t just swap parts; we find the root cause.
Computer Diagnostics: Full system scans for all major makes (Cummins, Detroit, CAT, Volvo/Mack, etc.).
Aftertreatment Service: DPF, SCR, and EGR system troubleshooting and repair.
Electrical Repair: Complex wiring issues, sensor replacements, and ECM programming.
Engine Work: Fuel system repairs, injectors, turbos, and cooling systems.
Comprehensive Fleet Maintenance
Scheduled care to prevent the breakdown before it happens.
On-Site PM Services: Full oil, fluid, and filter changes at your yard or job site.
Brake & Suspension: Air brake systems, chambers, slack adjusters, and air springs.
Driveline & Chassis: U-joints, seals, and structural components.
BIT & DOT Readiness: Pre-inspection checks to keep your fleet compliant.
24/7 Roadside Assistance
East Bay’s most reliable emergency response.
Rapid Response: We come to you, anywhere in the East Bay, 365 days a year.
Mobile Solutions: Forced regens, jump-starts, fuel delivery, and "no-start" troubleshooting.
Light to Heavy Duty: We handle everything from Class 1 pickups to Class 8 rigs.
Specialized Equipment & RVs
Expertise that goes beyond the highway.
RVs & Coaches: Mobile repair for motorhomes and luxury coaches.
Off-Road & Industrial: Repair for pumps, generators, and construction equipment engines.

