Diesel Truck Repair in Lake Mary, FL

On Time Truck Repair proudly serves Lake Mary, FL with expert-level diesel truck repair and fleet maintenance services you can count on. Whether you're an independent operator or managing a full fleet, our team is equipped with the experience, tools, and dedication needed to keep your diesel trucks running smoothly. With over 60 years of combined expertise, we’ve become a trusted name in Central Florida for reliable, high-quality diesel truck repair shop services.

From full-service maintenance packages to urgent mobile truck repair and roadside assistance, we do it all. Our family-owned business operates with honesty and precision, making us the preferred destination for diesel truck drivers and businesses in Lake Mary. We’re not just repairing trucks — we’re helping you stay on the road and ahead of schedule.

Why Choose On Time Truck Repair in Lake Mary, FL

Lake Mary businesses and drivers know the value of time — and so do we. That’s why On Time Truck Repair is committed to delivering fast, accurate, and affordable service backed by decades of hands-on experience. We’re not just another diesel truck repair shop — our team includes a former Florida DOT officer and highly trained mechanics who go beyond surface fixes to solve the real problem. Our connections with major parts vendors ensure faster repairs and better pricing. Whether you’re scheduling preventative fleet maintenance or need emergency diesel truck roadside assistance, we’ve got you covered — with the professionalism and care that’s become our trademark.

Lake Mary, FL

Our Diesel Truck Repair & Maintenance Services

“Need Repairs Done Fast? We’re Your Alternative to the Dealer—Faster Service with No Sacrifice in Quality.”

Mobile Diesel Truck Repair and Maintenance

Mobile DieselTruck Repair

Roadside Assistance

Mobile Diesel Truck Battery Service and Replacement

Forced Regen

Diesel Truck Engine and Transmission Services

Diesel Engine Repair and Maintenance

Transmission Repair and Rebuild

Cooling System Service and Repair

Clutch Repair and Replacement

Diesel Truck Driveline Repair Services

Diesel Truck Electrical and Diagnostic Services

Advanced Diagnostics

Electrical System Repairs

Check Engine Light Troubleshooting

Emission Control System Repairs

EGR AND DPF Services

Electronic Module Programming

Diesel Truck Brake and Safety

Comprehensive Brake Inspection and Repair

ABS (Anti-lock Braking System) Diagnostics and Repair

Brake Fluid Change and System Flush

Air Brake System Maintenance and Repair

Parking Brake Adjustment and Repair

Suspension Services

Diesel Truck Suspension System Repair

Bushings, Bearings, and Joints Repair and Services

Shock Absorbers Maintenance and Repair

Other Services

Semi-Truck and Trailer Repair

Scheduled Fleet Servicing

Axle Repair

Welding & Fabrication

HVAC System Repair

RV Repair

Diesel Truck Wheel Alignment

Preventive Maintenance

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.

Frequently Asked Questions

1. Can you come to Lake Mary for mobile truck repair?
Yes! Our mobile truck repair service is available in Lake Mary and nearby areas. We’ll come directly to your location to handle urgent breakdowns or scheduled service.

2. What makes your diesel truck repair services different?
We don’t just treat symptoms — we find the root cause. Our team brings advanced diagnostics, industry certifications, and a reputation for honest, high-quality work.

3. How often should I schedule fleet maintenance?
For optimal performance and compliance, we recommend regular fleet maintenance every 10,000–15,000 miles, depending on usage and load.

4. Do you provide battery replacements and other routine services?
Yes, we do everything from oil changes and light checks to Freightliner-certified battery replacements — all under one roof.

5. Is roadside assistance available 24/7?
While our regular shop hours are Monday to Friday, 8am–4:30pm, we do offer emergency diesel truck roadside assistance outside those hours depending on availability. Give us a call!

Diesel Truck repair shop in Sanford, Florida

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.

Service Hours

08:00 am – 4:30 pm

TERMS AND CONDITIONS

Contact Us

1919 W 1st St Suite B, Sanford, FL 32771United States

Call Us(407) 321-7442