Mobile Diesel Mechanic

FAST Mobile Diesel Repair

Call Now Or Email Us
Close-up of a brightly colored truck engine with visible pipes, tubes, and mechanical components under a cloudy sky, capturing the essence of mobile diesel truck repair expertise.
Two metallic wrenches crossed in an X shape. One has an open-end, and the other a hexagonal box end, symbolizing the precision of on-site fleet repair services for mobile diesel trucks.

15+

Years Experience

500+

satisfied customers

5k+

Vehicles Repaired

“Where precision meets passion. We breathe new life into every vehicle, ensuring it’s not just repaired, but rejuvenated.”

A Mobile Diesel Fleet Mechanic in Florida

At A.S.C Fleet Service LLC, we provide expert mobile diesel repair for semi trucks, fleet vehicles and heavy equipment. Our team is committed to keeping your trucks and machinery running smoothly with fast, reliable service wherever you need it. With 15+ years of experience, we specialize in engine diagnostics, aftertreatment systems, transmission repairs, suspension work, brake services, and more. We pride ourselves on precision, expertise, and efficiency, ensuring minimal downtime for your fleet vehicles.

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A black car is parked by a rural road, while an orange vehicle and a truck—perhaps fresh from a mobile diesel mechanic—drive in the opposite direction. The sky looms overcast with clouds.
Red semi-truck cab with chrome details, shown in profile facing left, isolated on a black background, ready for on site fleet repair by a mobile diesel mechanic.

Mobile Diesel Mechanic Services

Mobile repair solutions for semi trucks, fleet vehicles and heavy equipment, ensuring your vehicles stay on the road with minimal downtime.

Icon of a car on a lift with a wrench below, set against a red circular background, symbolizing swift mobile diesel mechanic services or on-site fleet repair solutions.

Mobile Suspension & Steering Repairs

Improve vehicle stability and safety with expert suspension and steering repairs, reducing wear and tear on your fleet.

White line drawing of a detergent bottle with a droplet on a solid dark red circular background, reminiscent of the precision you'd expect from a mobile diesel mechanic.

Mobile Oil Change & Maintenance

We diagnose and repair aftertreatment systems, including DPF repairs, DEF system repairs, and emission compliance solutions.

Icon of a gear with a wrench inside, symbolizing on-site fleet repair, set against a red circular background.

Mobile Brake & Transmission

We offer transmission repairs and brake system maintenance, ensuring smooth shifting, optimal stopping power, and long-lasting performance.

Icon of a piston and connecting rod inside a red circle, outlined in white, symbolizing reliable mobile diesel truck repair services.

Mobile Engine Diagnostic and Care

Our advanced diagnostic tools detect engine issues quickly, allowing us to provide precise repairs and performance optimization for diesel engines.

Why Trust A Mobile Mechanic?

We take pride in providing reliable, transparent, and efficient mobile diesel mechanic services for semi-trucks and fleet vehicles. Our team of skilled professionals ensures every repair is done right the first time, using advanced diagnostic equipment for accurate assessments. With honest pricing, fast turnaround times, and years of hands-on experience, we keep your fleet running smoothly and minimize downtime. Trust us to deliver expert service wherever you need it—because your business depends on it.

What services does A.S.C Fleet Service LLC provide?

We specialize in on-site repairs and maintenance for semi trucks and fleet vehicles, including engine diagnostics, electrical repairs, brake services, suspension work, and more.

What areas do you serve?

We are based in Lakeland, FL, and provide services throughout Central Florida, including Tampa, Orlando, and surrounding areas.

Are your services available 24/7?

Yes! We operate Monday through Saturday, 24/7, ensuring your fleet stays on the road with minimal downtime.

Do you offer emergency roadside assistance?

Yes, we provide emergency roadside repair services for semi trucks and fleet vehicles. Call us anytime for immediate assistance.

How do I schedule a repair or maintenance service?

You can schedule a service by calling us directly or submitting a request on our website at www.ascfleetservice.com.

Do you work with fleet management companies?

Yes! We partner with fleet management companies to provide scheduled maintenance and on-demand repair services.

What types of fleet vehicles do you service?

We work on semi trucks, box trucks, service vans, commercial pickups, and other fleet vehicles to keep businesses running smoothly.

Do you provide preventative maintenance plans?

Absolutely! We offer customized preventative maintenance plans to help businesses maintain their fleet’s reliability and reduce costly repairs.

Experienced Professionals

No hidden charges. Honest service every time.

Transparent Pricing

No hidden charges. Honest service every time.

Fast Turnaround

Get your car back on the road swiftly.

Advanced Equipment

Using the latest technology for accurate diagnostics.

Mobile Diesel and Fleet Vehicle Services

Close-up of a car engine with a metal cylinder head gasket in place, showing multiple circular openings, just like the ones you might find during a mobile diesel mechanic inspection or semi truck repair near me.

Mobile Engine Diagnostics & Repair

Features:

  • Full ECU and sensor diagnostics
  • Check engine light troubleshooting
  • DEF and aftertreatment system scans
  • Fuel system inspection

Only

$125
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Mobile Transmission & Drivetrain Diagnostics

Features:

  • Transmission services and repairs
  • Clutch system inspection and repairs
  • Driveshaft and differential maintenance

Starting from

125.00
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Mobile Air Brake System Repair

Features:

  • Brake pad, rotor, and drum inspection
  • ABS and air brake system repair
  • Shock and strut replacement

Starting from​

$125.00
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What Customers Say About Our Fleet Service

Discover firsthand accounts from clients who have experienced the benefits of our products and services.

In a bustling garage, a mobile diesel mechanic, donning a cap and gloves, expertly handles a bus engine's intricate components and wires.
Outline of a camera in the center with two crossed wrenches behind it, resembling wings—a fitting emblem for an on-site fleet repair service, merging precision and reliability.
John M.

Previous Client

Fast Repair!

A.S.C. Fleet Service has been invaluable to our trucking operations. Their 24/6 availability keeps us on the road, and their mechanics are highly skilled and efficient. Reliable, fast, and professional service every time!

A mobile diesel mechanic in a cap and work boots is meticulously checking cables on a large truck.
Outline of a camera in the center with two crossed wrenches behind it, resembling wings—a fitting emblem for an on-site fleet repair service, merging precision and reliability.
Corey T.

Previous Client

Awesome work!

A.S.C. Fleet Service has been a game-changer for our trucking company. Their expertise in diesel machinery is unmatched, and their 24/6 service keeps our fleet running without delays. Fast, reliable, and highly professional!

A skilled mobile diesel mechanic, wearing gloves and overalls, diligently works on the engine of a large truck with the hood raised, providing on-site fleet repair services.
Outline of a camera in the center with two crossed wrenches behind it, resembling wings—a fitting emblem for an on-site fleet repair service, merging precision and reliability.
Lerric R.

Previous Client

Perfect Adjustment!

A.S.C. Fleet Service has been a game-changer for our trucking company. Their 24/6 service is a lifesaver, and their mechanics know their stuff. Fast, reliable, and professional!"

Hire A Fleet Mechanic

Phone:

(774) 634-5321

Email:

[email protected]

Hours:

Mon-Saturday 24/6

Service Areas:

Lakeland, Winter Haven, Tampa, Dundee and Bartow.

Silhouette of a semi-truck parked against a vibrant sunset, with palm trees and mountains in the background, where a mobile diesel mechanic is ready for on-site fleet repair.