We Don't Guess.
We Diagnose.
Miami's Diesel Truck Repair & Fleet Services Experts
Factory-level diesel diagnostics, repair, and drivetrain service for heavy trucks and equipment. When downtime costs you money, you want the tech who reads the codes and knows the fix — across every major brand.
Why Fleets Call Us First
Deep Knowledge, Not Parts-Cannon Repairs
Anyone can plug in a generic scanner. We work at the platform level — engine, drivetrain, brakes, and aftertreatment — on the brands that move American freight.
Paccar
MX-11 & MX-13 engine diagnostics, aftertreatment, electronic faults and emissions troubleshooting done right.
Kenworth
Full diagnostics and repair across the T680/T880 and beyond — electrical, drivetrain, and engine.
Peterbilt
579, 389 and the rest — dealer-level fault tracing, repairs, and drivetrain work to keep them earning.
+ Component & system expertise
Full-Service Diesel & Heavy Equipment
From a check-engine light to a full custom build — one shop that handles the whole truck. Tap any service to see exactly what's involved.
Parts & Equipment for Sale
Genuine OEM parts in stock for pickup at our Medley shop — plus equipment for sale. Browse the parts below, or contact us for current equipment inventory.
Equipment & Machinery For Sale
Beyond parts, we buy and sell equipment. Inventory changes regularly — call for current availability, or browse what's listed in our online store.
Honest Work. Right The First Time.
PACCAR Certified
Factory-level training and standards on Paccar, Kenworth & Peterbilt — the real thing, not guesswork.
Specialist, Not Generalist
We focus on heavy American trucks and the systems that run them — so we know them cold.
Dealer-Level Tools
Multi-brand software and equipment to read every fault, not just the easy ones.
We Come To You
Mobile diagnostics and roadside service to minimize your downtime.
Transparent Quotes
Clear diagnosis, clear pricing, no surprises. We document the work.
A truck that isn't rolling isn't earning. Our job is to diagnose the real problem the first time and get your equipment back to work — not to keep you guessing.
Get a Free Quote →24/7 Roadside Assistance
Jump starts, battery service, fuel delivery, and on-site diagnostics — anywhere across the Miami area, whenever it happens. Don't sit on the shoulder waiting. One call gets a tech moving.
Trusted by Drivers & Fleets Across Miami
"Great experience working with Marti Acosta and his team. They were professional, honest, and got the job done right. The equipment was back to excellent condition, and the whole process was smooth from start to finish. Highly recommend them if you're looking for reliable truck and heavy equipment services with the best price in town!"
"I recently visited this shop with my Kenworth truck. It's a very good shop with great staff, and I was especially impressed by Marti Acosta's high level of professionalism; he can solve even the most complex problems. I had a hidden problem on my truck that was difficult to diagnose, but he handled it perfectly! I highly recommend it!"
"If you are truck driver and/or owner operator that cares about your truck, then you should bring it to this shop. Highly qualified, professional and caring staff with lots of knowledge, providing a wide variety of services on all the trucks areas. I'm thankful for your services and having my trucks working as a Swiss watch."
Your One-Stop Shop for Diesel Truck Repair in Miami
Whether you need a routine inspection, emergency roadside repair, or drivetrain and transmission work, L&M National Equipment Sales handles it all under one roof. We operate in full compliance with all regulations set by the Federal Motor Carrier Safety Administration (FMCSA), so the work that keeps your truck legal is done by the book.
Let's Get Your Truck Back To Work
Book online in seconds, request a quote, or call for immediate support. We're ready to help.
Book Your Appointment Today
Pick a time that works for you — schedule your service or diagnostic online in under a minute.
Our Locations
8201 NW 93rd St, Medley, FL 33166
View on Map2508 U.S. Hwy 27 S, Lake Placid, FL 33852
View on MapMiami & Central Florida · mobile & in-shop
Hours
24/7 Emergency Roadside · Mon–Fri 8:00–18:00 In-Shop
Emergency roadside available 24/7