Diesel Truck Repair & Maintenance in Bremen, Alabama

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Professional Diesel Repair Solutions That Keep You Road-Ready

There's no room for compromise when it comes to keeping diesel trucks running reliably on the roads. Whether you're an independent truck operator, manage a small fleet, or run a commercial operation, your diesel trucks are the backbone of your business. At Custom Fleet Services LLC, we bring over 17 years of experience to the table, ensuring your trucks stay on the road with minimal downtime.

We specialize in mobile diesel truck repairs and maintenance for Bremen, Alabama, and nearby areas, including Cullman, Jasper, Gardendale, Hartselle, Trussville, Birmingham, and Pleasant Grove. Our technicians come directly to your location — whether you're parked along Highway 69, operating near Smith Lake, or stationed on the outskirts of Walker or Blount Counties. We understand that breakdowns, mechanical issues, and maintenance needs don't always happen near a shop. That's why our mobile service is designed to meet you where you are.


With advanced diagnostic tools, skilled hands, and a deep understanding of diesel systems, we handle everything from engine issues to drivetrain repairs. Our commitment is to get your truck — and your business — back on the road efficiently and safely. Partner with a trusted local company that knows diesel trucks and understands the demands of trucking in north-central Alabama.

Our Diesel Truck Services

Mechanical Repairs

We handle various mechanical repairs for diesel trucks to keep your vehicle running strong. From engine repairs and drivetrain work to suspension and steering components, our experienced technicians can tackle even the most complex issues. We use high-quality parts and proven repair methods to restore your truck's reliability, power, and performance, minimizing downtime and costly breakdowns.

A/C Repairs

A properly functioning air conditioning system is essential for driver comfort, especially during long hauls and hot Alabama summers. We provide expert A/C diagnostics and repairs for diesel trucks, including refrigerant recharging, compressor replacement, leak detection, and complete system overhauls. Our team ensures your A/C keeps you cool and comfortable on the road, no matter the weather.

Computer Diagnostic Repairs

Modern diesel trucks rely heavily on computer systems for performance, safety, and efficiency. Our team uses advanced diagnostic scanners to detect and repair electronic and sensor-related issues accurately. Whether it's check engine lights, performance problems, or electrical malfunctions, we have the tools and expertise to identify faults quickly and provide reliable repairs to get you back on the road.

Preventative Maintenance

Regular preventative maintenance is the key to extending the life of your diesel truck and avoiding unexpected breakdowns. We offer comprehensive maintenance services, including oil changes, filter replacements, fluid checks, and brake inspections. Our customized maintenance programs are designed to keep your truck operating at peak performance, reduce long-term repair costs, and maximize uptime for both individual owners and fleets.

24-Hour Emergency Repairs

Breakdowns don’t follow a schedule, which is why we offer 24-hour emergency repair services for diesel trucks. Whether you're stuck on the roadside, at a job site, or along a highway in Cullman County or surrounding areas, our mobile repair team is ready to respond quickly. We arrive equipped to diagnose and repair common issues on-site, helping you avoid delays and move your truck as soon as possible.

Benefits of Diesel Truck Services

Enhanced Reliability for Heavy-Duty Performance

Professional diesel truck services help maintain the durability and reliability these vehicles are known for. Regular inspections, oil changes, and preventative maintenance keep engines running smoothly, minimizing the risk of unexpected breakdowns, especially for trucks that handle demanding workloads. With professional servicing, your truck remains dependable, reducing downtime.

 Improved Fuel Efficiency

Diesel engines are naturally more fuel-efficient than gasoline engines, but routine servicing further optimizes performance. Services like fuel system cleaning, air filter replacements, and injector maintenance help your truck burn fuel more efficiently, saving money on long hauls and daily operations. This translates to fewer fill-ups, reduced emissions, and greater operational savings.

 Extended Engine Lifespan

Diesel engines are built to last, but only with proper care. Regular servicing ensures that essential components like turbochargers, cooling systems, and fuel injectors remain in top condition. This helps prevent major failures, maximizes the life of your investment, and keeps your truck road-ready for years to come. A well-maintained diesel engine can often surpass mileage milestones that gasoline engines struggle to reach.

 Reduced Risk of Costly Repairs

Preventative maintenance helps catch minor issues before they escalate into expensive repairs. Services like diagnostics, fluid checks, and brake inspections allow technicians to address small problems early, saving you from unexpected downtime and large repair bills down the road. By fixing these issues proactively, you avoid the high costs of emergency repairs and towing.

Better Safety on the Road

A well-maintained diesel truck is a safer truck. Professional services include brake inspections, steering checks, suspension evaluations, and tire assessments, all contributing to safer handling and performance. This is especially critical for long-haul drivers and commercial operators who spend extensive time on the road.

Compliance with Industry and Environmental Standards

Regular diesel truck servicing ensures your vehicle meets regulatory emissions, safety, and operational performance requirements. This helps fleet owners and independent operators avoid fines, stay compliant with state and federal laws, and operate responsibly regarding environmental impact. Staying compliant also protects your business reputation and prevents legal complications.

Keep Your Diesel Truck Moving with Trusted Local Support

In the demanding world of trucking, every minute your vehicle is down costs you time, money, and missed opportunities. That’s why reliable, professional diesel truck services are essential, especially from a team that understands both the mechanical challenges of heavy-duty trucks and the unique driving conditions. Custom Fleet Services LLC has proudly served Bremen, Alabama, and surrounding areas, including Irondale, Fairfield, Mountain Brook, Homewood, Hueytown, Vestavia Hills, Leeds, and Bessemer for nearly two decades.

A semi truck with its hood up is parked in a parking lot.

Keep Your Diesel Truck Moving with Trusted Local Support

Our team is committed to keeping your diesel trucks running at peak performance. Our mobile diesel repair service eliminates the hassle of towing and workshop scheduling. Instead, we bring fully-equipped, experienced technicians directly to your location, saving you time and reducing costly downtime. From engine diagnostics to preventative maintenance, our comprehensive services cover everything your diesel truck needs to stay road-ready and reliable.

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Frequently Asked Questions

  • Do you work on all diesel truck brands?

    Yes, we service all major diesel truck brands, including Freightliner, International, Kenworth, Peterbilt, and others operating across Cullman County and surrounding areas. Our technicians are trained to handle brand-specific diagnostics and repairs. We have the tools and expertise to get the job done right, no matter the make or model.

  • Can you come to my location for repairs?

    Absolutely. Our mobile service covers Bremen, Jasper, Cullman, and neighboring towns, providing on-site diagnostics and repairs to reduce downtime. We arrive equipped with the tools and parts needed to perform most repairs on the spot. This saves you the hassle and expense of towing your truck to a shop.

  • How experienced are your technicians?

    Our team has over 17 years of experience handling diesel truck repairs. We bring advanced knowledge and practical expertise to every job. We stay current with industry standards and technology to ensure your truck gets professional, reliable service every time.

  • Do you offer emergency breakdown assistance?

    Yes, we provide responsive mobile repair services for unexpected breakdowns to help truckers get back on the road quickly. Our emergency team is available for rapid dispatch, minimizing your downtime and keeping your deliveries or operations on schedule.

  • Can you handle fleet maintenance?

    We specialize in fleet maintenance programs for businesses operating in Bremen, Cullman County, and nearby regions. Our flexible service plans help keep your trucks reliable and road-ready, reducing unexpected repairs, extending vehicle life, and improving fleet efficiency, saving you time and money.

  • What types of preventative maintenance do you provide?

    We offer oil changes, filter replacements, inspections, brake checks, and other essential services to prevent costly breakdowns. Our preventative maintenance programs are tailored to your truck's specific needs, helping you avoid major repairs and keeping your vehicle running at its best.

  • How do you diagnose diesel engine problems?

    We use advanced diagnostic tools to read fault codes, check engine performance, and identify the root cause of issues efficiently. Our technicians combine computer diagnostics with hands-on inspections to ensure no problem goes undetected, providing accurate, reliable solutions.

  • Do you service trucks outside of Bremen?

    Yes, we regularly serve diesel trucks in Cullman, Jasper, Hanceville, and other towns across Walker, Blount, and Cullman Counties. Our mobile repair team is committed to providing reliable service wherever you are, keeping diesel trucks operational throughout the region.

What our customers have to say...

Testimonials

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I HIGHLY recommend them! We were stranded in Alabama for 4 hours! Found them on google and they answered right away! Super nice and they knew exactly what they were doing! Will use their services from now on! Thank you so much!

Vanessa C.

He is a good mechanic, would recommend if you need a RV repair or a SemiTruck repair👍 …

Carter

They have great service. Would Recommend him for work.

Erica S.

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Love the company they help me fix my RV for the cheap price

Dakota S.

Good service. Would definitely recommend!

Tsegaye E.