Your diesel engine is the heart of your diesel truck — and when it’s not running at its best, neither is your business. At On Time Truck Repair, we specialize in comprehensive diesel engine repair and maintenance services that keep your diesel truck running strong and minimize costly downtime. Whether you’re dealing with a misfire, oil leak, low power, or just need routine service, our team delivers expert solutions backed by over 60 years of hands-on diesel experience.
We work on all major heavy-duty brands including Freightliner, Peterbilt, Kenworth, Volvo, and Mack. Our goal is to catch issues early, extend your engine’s lifespan, and restore your diesel truck’s performance, efficiency, and reliability — all with transparent pricing and fast turnaround.
Why Choose On Time Truck Repair for Diesel Engine Service
Diesel engines are complex — and our mechanics are trained to handle every detail. From top-end to bottom-end work, fuel system diagnostics, and turbocharger repairs, we get to the root of the issue, not just the symptoms. Whether you're managing a fleet or driving solo, we deliver dependable service, backed by advanced diagnostic tools and access to OEM parts.
Frequently Asked Questions
1. What signs indicate my diesel engine needs repair?
Rough idling, excessive exhaust smoke, loss of power, knocking noises, oil leaks, or warning lights may signal engine trouble.
2. Can you service my diesel truck on-site?
Yes. We offer mobile truck repair for many diesel engine issues, especially diagnostics and minor repairs.
3. How often should a diesel truck engine be serviced?
It varies, but generally every 10,000 to 15,000 miles for oil changes and basic checks. We tailor service intervals to match your diesel truck’s workload and conditions.
4. Do you work on all diesel truck makes and models?
Absolutely. We specialize in servicing Freightliner, Peterbilt, Mack, Volvo, Kenworth, and other commercial diesel engines.
5. Can engine maintenance be part of a fleet program?
Yes! Our fleet maintenance services include scheduled engine inspections, oil changes, and proactive diagnostics to avoid major repairs.
Our Service Area - Serving All Neighboring Areas
We proudly serve Sanford, FL and all surrounding areas including Lake Mary, Deltona, DeLand, Altamonte Springs, Orlando, Winter Springs, Apopka, Longwood, and more.
Whether you need reliable diesel truck repair or fast RV repair near Sanford, FL, our team is ready to get you back on the road.
On Time Truck Repair Shop is a trusted diesel truck repair shop in Sanford, FL, specializing in diesel truck repair, fleet maintenance, and roadside assistance. Family-owned since 1995, we proudly serve diesel drivers and fleet operators with fast, reliable service backed by decades of experience.