Minimize Downtime with Expert Mobile Truck Repair
Jacksonville's premier on-site heavy-duty diesel mechanics. We bring the shop to you—roadside, weigh station, or depot. Keeping your wheels turning, 24/7.
24/7 Availability
Emergency dispatch day or night.
ASE Certified
Highly trained diesel technicians.
Fast ETA
Rapid response across Jacksonville.
No Towing Needed
We fix 95% of issues on-site.
On-Site Heavy Duty Services
Our mobile units are fully equipped service centers capable of handling complex mechanical and electrical repairs without the need for a tow. We get you back on the road, not towed to a shop.
Computer Diagnostics
OEM-level diagnostic software for Cummins, Detroit, Volvo, and Mack engines. Forced DPF regens and fault code clearing ensures your engine runs optimally.
Air Brake Systems
Complete brake chambers, airlines, governors, compressors, and ABS sensor troubleshooting and replacement. DOT compliance is our priority for your safety.
Trailer Repair
Landing gear repair, roll-up door maintenance, essential welding, lighting electrical fixes, and roof patching to keep your cargo secure.
Forced Regen & Aftertreatment
On-site DPF cleaning and regeneration cycles to get your truck out of derate mode and back on the highway, minimizing costly delays.
Electrical & Starter
Battery replacements, thorough alternator testing, starter motor installation, and complex wiring harness repairs for reliable ignition and power.
Drivetrain & Tires
New and retread tire delivery and installation, seal replacements, u-joints, and suspension airbags to keep your rig riding smooth and safe.
Commercial Fleet Maintenance Programs
Running a logistics fleet demands absolute reliability. Northstar offers scheduled mobile preventative maintenance (PM) programs specifically designed to keep your fleet DOT compliant and proactively avoid costly breakdowns. We meticulously track your maintenance schedules, check all critical fluids, grease chassis components, and conduct thorough brake inspections right at your terminal or depot, minimizing downtime during off-peak hours.
- Consolidated Monthly Billing for simplified accounting
- Guaranteed DOT Inspection Compliance, giving you peace of mind
- Custom PM Schedules (Dry A/B Services) tailored to your fleet's needs
- Priority Dispatch for Contract Clients, ensuring fastest response when you need it most
Emergency Roadside Workflow
How we get you back on the road safely and quickly, minimizing your critical downtime.
Dispatch Call
Call 904-831-6464 immediately. Our experienced dispatcher records your precise location and detailed truck symptoms the moment you call.
Mobile Deployment
The nearest fully stocked service truck, equipped with advanced tools and parts, is immediately routed to your exact GPS location for rapid response.
Diagnosis & Repair
Our ASE certified technician performs a thorough diagnostic and executes necessary repairs efficiently using our extensive on-board inventory.
Digital Invoicing
Enjoy easy and secure payment via major credit card or fleet check, followed by a detailed digital repair order for your records.
Service Area: Greater Jacksonville
We provide rapid coverage for critical transportation arteries including I-95, I-10, I-295, and all surrounding logistics hubs, ensuring no truck is left stranded.
Prompt Service Across Key Locations
- Jacksonville Proper
- Baldwin
- Callahan
- Orange Park
- Jacksonville International Airport Logistics Center
- JaxPort Terminals
Request Service or Quote
For immediate roadside emergencies, please call our 24/7 dispatch at 904-831-6464. For scheduled maintenance, fleet inquiries, or general quotes, please fill out the form below. We aim to respond to all online inquiries within one business day.