a logo for Focus Road Service with a truck in the middle

24/7 Mobile Semi Truck & Diesel Repair in New Jersey, Pennsylvania, Delaware and Maryland

a row of red trucks parked next to a black van that says focus road service

When semi truck trouble strikes and you have to get back on the road right away, call Foccus Road Service.

We provide 24/7 semi truck repair and diesel repair throughout New Jersey, Pennsylvania, Delaware and Maryland. Our team of certified mechanics cater to the comprehensive needs of big rigs, while also providing motorhome repair, vehicle recovery, commercial truck repair and more. Whether you’re facing complex engine issues or need fleet maintenance in New Jersey, Pennsylvania, Delaware and Maryland, contact our nearby diesel mechanics for commercial vehicle repair. We’ll get you moving again in no time.


• 24/7 Full Service Semi Truck Repair

• Starting System & Electrical Repair

• Starters & Alternators

• Radiator & Cooling Repair

• Brakes, Wheel Hubs & Axles

• No Start, Lock Out & Fuel Delivery

• Light, Medium & Heavy Duty Repair

• Transmission & Clutch Repair

• Diesel Engine Repair

• Advanced Diagnostics

• Commercial Fleet Maintenance

• Semi Truck Tires


Roadside Assistance & Mobile Repair for Semi Trucks

We provide full service roadside assistance, ranging from fuel delivery, lockout service and jumpstarting to complex diesel engine repair, semi truck brake repair, semi truck transmission repair, clutch adjustments and electrical repairs. Other top services include tractor trailer cooling system repair, starter repair, alternator repair and wheel hub and axle services. We utilize advanced semi truck diagnostics to identify the problem and come up with an accurate fix. With fair semi truck repair costs and fast turnaround times, we guarantee your satisfaction.

a tablet with the word maxisystem on it

Roadside Semi Truck Transmission Repair

Trouble with your semi truck transmission can be stressful. Our mobile big rig mechanics are skilled at providing reliable heavy duty  transmission repair, day or night. You can rely on us to swiftly diagnose and repair issues like slipping gears, hard shifting, grinding gear noises or semi truck transmission fluid leaks, ensuring your commercial transmission is back in optimal condition. You can also rely on us to perform related services, such as clutch adjustments.

a man is working on a truck engine with a wrench .

Mobile Diesel Engine Repair

Foccus Road Service specializes in mobile diesel engine repair for semi trucks, offering swift and efficient solutions. Our skilled technicians use cutting-edge tools to identify and address fuel system issues, malfunctioning injectors, starting trouble, cooling system problems and other common and complex diesel engine issues. Trust our roadside diesel mechanics for quality semi truck engine repairs in Pennsylvania, New Jersey, Maryland or Delaware and we will help you minimize downtime by getting your truck back on the road promptly.

24/7 Mobile Fleet Maintenance

When it is time for routine semi truck or other fleet maintenance, don’t hesitate to call Foccus Road Service. We provide mobile fleet maintenance in NJ,  PA, DE and MD for all types of commercial vehicles, including big rigs and other light, medium and heavy duty trucks and vans. From mobile semi truck oil changes and fluid services to belt and hose replacements, filter swaps, and other factory maintenance, we have you covered. With 24/7 service, we are always available to help you keep your vehicles running strong.

Mobile Semi Truck Tire Replacement & Repair

Properly maintained tires are crucial for the safety and efficiency of your semi truck. Foccus Road Service offers 24/7 semi truck tire replacement in PA, NJ, MD and DE, addressing flats, blowouts, and tread wear. Our team also offers semi truck flat tire repairs when possible, minimizing downtime for your fleet. We offer high-quality commercial truck tires from leading brands at fair prices, ensuring you get back on the road with confidence.

a close up of a truck tire with a hole in it .

As a full service provider of mobile semi truck repair, trust our mechanics to keep you on the road. With 24/7 emergency truck repair in PA, MD, DE and NJ, rest assured we will be there when you need us most. Give our dispatch center a call at 856-335-5009 to request service and you can expect our roadside semi truck mechanics to arrive promptly, prepared to fix your vehicle’s issues in a swift and effective manner.

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