Semi Truck Repair in Flemington, NJ
Semi Truck Repair Shop
Pistons and Gears, founded by Carlos Murillo in May 2019, is a trusted heavy-duty truck repair shop based in Flemington, NJ. Inspired by his father’s small shop in Costa Rica, Carlos brings dedication and expertise to every repair. Offering mobile semi truck repair services and transparent pricing, we’re here to keep your vehicles moving. Whether working in our outdoor space or coming to you, Pistons and Gears is committed to reliable, community-focused service. Open six days a week, we’re ready to deliver quality repairs with care and integrity.
Our Services
At Pistons and Gears, we deliver expert diesel repairs to ensure your truck stays reliable and road-ready. From addressing brake and axle issues to resolving complex engine and transmission problems, our team handles it all with precision. We specialize in engine diagnostics, transmission troubleshooting, and HVAC repairs, delivering solutions that minimize downtime and maximize performance.
Whether you’re an owner-operator or managing a fleet, our skilled technicians are committed to providing durable, high-quality repairs tailored to your truck’s needs.
Is your vehicle due for professional care? Skipping maintenance risks costly breakdowns. At Pistons and Gears in Flemington, NJ, we provide top-quality auto repair services to provide smooth, safe drives.
Passenger safety starts with a well-maintained bus. Don’t let mechanical problems risk their security. Trust our team, Pistons and Diesel, with our heavy-duty bus repairs that keep your vehicle safe and roadworthy!
Is a DOT inspection looming? Non-compliance could ground your fleet, resulting in missed deliveries, unhappy customers, and potentially irreversible reputational damage. Our expert federal DOT inspections ensure safety and legal standards are met, keeping your operations smooth and penalty-free.
Are you looking for reliable and efficient maintenance and repair solutions for your fleet? Managing a fleet requires proactive care to reduce downtime, lower costs, and keep your vehicles running smoothly. With fleet services, you get expert care tailored to your operational needs, ensuring your tr
Looking to keep your diesel truck always running at it's best? From engine troubleshooting to HVAC and transmission repairs, general diesel repair services ensure your truck is reliable and efficient for every haul.
Convenience meets reliability with mobile truck repair. Whether you’re stuck on the roadside or need maintenance where you are, we bring expert service directly to your truck, minimizing downtime.
Avoid the stress of unexpected breakdowns. Regular preventive maintenance lets you enjoy peace of mind, knowing your truck is running smoothly and efficiently. Don’t wait—protect your investment now.
Experiencing a breakdown in the middle of a haul? Whether it’s a flat tire, engine trouble, or an empty fuel tank, roadside assistance ensures you’re never stranded. Professional support is just a call away, minimizing delays and keeping your truck moving.
Are breakdowns keeping your trailer off the road? Ignoring mechanical issues is a one-way ticket to breakdowns, extended downtime, missed deliveries, and expensive repairs. Don't let this happen to you; book your heavy-duty trailer repairs today!
From cracked frames to customized brackets, welding, and fabrication address a wide range of needs for heavy-duty vehicles. Our professional heavy-duty welding and fabrication deliver customized, reliable solutions to keep your operations moving.
Our Repairs
Pistons and Gears offers a complete range of diesel services to keep your vehicle running efficiently. Our team performs routine preventive maintenance, federal DOT inspections, and diagnostic checks to ensure safety and compliance. We specialize in system servicing for coolant systems, brakes, axles, and more, providing comprehensive care for every part of your truck.
Whether you’re maintaining a fleet or a single vehicle, our expert services are designed to prevent downtime, extend the life of your truck, and keep you on the road.
Worried about axle wear slowing down your operations? At Pistons and Gears, our heavy-duty axle repair services tackle the problem head-on. This way, your truck stays reliable and safe and runs at peak performance on every journey.
If your brakes aren't functioning correctly, they jeopardize more than your truck; they risk lives. Don’t let wear or failure slow you down. Our heavy-duty brake repair is designed for truckers and fleet managers who demand the highest possible safety and reliability at every mile!
Is your truck's overheating engine threatening its reliability? A failing coolant system can cause catastrophic engine failure, leaving your truck sidelined and footing the bill for expensive repairs. Luckily, our heavy-duty coolant system repairs are here to make sure that never happens to you!
Ignoring electrical problems could mean serious downtime. Whether it’s dim headlights or a full system failure, our heavy-duty diagnostic and electrical repair service restores your truck’s reliability in no time.
A failing driveline puts your truck at risk for costly repairs and downtime. With our heavy-duty driveline repairs at Pistons and Gears, you’ll restore performance and protect your bottom line. Don’t wait until it's too late; get in touch now!
Faulty EGR and DPF systems risk your truck’s performance and compliance. At Pistons and Gears, we deliver expert heavy-duty aftertreatment system repairs, improving fuel efficiency and ensuring your truck runs clean and strong. Contact us today!
Is your truck losing power or burning more fuel than it should? Ignoring engine issues can lead to costly breakdowns. At Pistons and Gears, we specialize in heavy-duty engine repair, rebuilds, and overhauls to keep your truck at its best.
Are strange exhaust odors and loud noises slowing you down? Don’t let a faulty exhaust system reduce your truck’s efficiency! At Pistons and Gears, we deliver heavy-duty repairs to restore power and ensure clean operation.
Keep your cabin cool in summer and warm in winter, no matter how long the haul. At Pistons and Gears, our heavy-duty HVAC repairs make this a reality. Stay comfortable and focused—call today!
Overdue oil and fluid changes put your truck’s systems at risk. Prevent wear and premature component failure with Pistons and Gears’ heavy-duty oil and fluid services, designed to maximize efficiency and avoid breakdowns!
Struggling with poor handling or bouncing on the road? Your suspension system might be the cause. At Pistons and Gears, our heavy-duty suspension repair keeps your truck safe and road-ready for any haul.
Are your truck’s tires worn or damaged? Poorly maintained tires are a source of poor fuel economy, unsafe driving conditions, and extended downtime. Don't let this happen to you; get in touch today to book your heavy-duty tire repairs!
Smooth-shifting is vital for your truck’s performance and safety on the road. Don’t let clutch or transmission issues ruin your efficiency. Restore your truck’s power with our expert heavy-duty transmission and clutch repair to keep it running smoothly for every mile.
What They're Saying About Us
See why our customers consider Pistons and Gears the go-to repair shop in Flemington, NJ and the surrounding areas!
Steven and his crew were true professionals. They took care of the repairs promptly. I found their services to be affordable compared to other quotes I received.
Very friendly and great staff. Works fine in a timely fashion and very reliable work. Would recommend to anyone in trucking service
Very professional, help me with truck DF at a very good price and knowledgable on packard engine took all the time to have my truck ready for next day. Very pleased
I was in a real predicament today and the guys at pistons and gear road service fixed my fifth wheel and got me out of there so fast I was very satisfied
Great guys! great service and reasonable prices
Excellent work, very Professional, the work, the guys are Excellent workers......Thank you PISTONS AND GEARS
Industry Articles
Explore our articles on tips and recommendations for keeping your diesel vehicle or fleet in peak form!
Contact Us
Need roadside assistance, have questions, or want to schedule your truck or trailer in for a service or repair? Get in touch, we're open Monday through Friday from 8:00am to 6:00pm and Saturday through Sunday from 8:00am to 2:00pm. We proudly serve Flemington, NJ, and surrounding areas, including Trenton, NJ; Princeton, NJ; New Brunswick, NJ; Somerville, NJ; Lambertville, NJ; Hackettstown, NJ; Hopewell, NJ; Frenchtown, NJ; South Plainfield, NJ; Plainfield, NJ; Phillipsburg, NJ; Hillsborough, NJ; White House, NJ; and also Philadelphia, PA; Allentown, PA; Quakertown, PA; and New Hope, PA.