Are DEF Misfuelings, Repairs & Messes Slowing You Down?

Tired of Your Fleet Being At A Stand-Still?

Your fleet should be on the move — but instead, you’re stuck dealing with DEF headaches. Drivers misfuel and damage engines costing you thousands. Trucks are dirty, empty, or out of DEF. You’re burning hours, losing money, and fighting to keep schedules on track. Every Monday starts with chaos. Half your trucks are not road-ready. You’re scrambling to get things running — again. It’s a waste of time. A drain on budget. And it’s killing your efficiency.

Imagine The Ultimate DEF Experience

Now picture this: Every truck is clean, topped off with DEF, and ready to roll — before your drivers even show up. No more misfuelling. No more emergency repairs. No more downtime. Your team hits the road on time – every time.

DEF topped off weekly
No engine issues from misfuelling
Road-ready trucks every morning
Time and money back in your hands

Fuel Logic DEF Has You Covered

More and More Companies are switching to Fuel logic for All Their DEF (And Diesel) Delivery

Fuel Logic takes DEF off your plate — for good. We deliver Diesel Exhaust Fluid directly to your fleet, on your schedule. Weekly refills. Spotless service. No hassle.

All it takes is a quick call, text, or click.
We handle the rest — so your drivers show up to full tanks, topped-off DEF, and trucks ready to roll. Save time. Cut costs. Keep your fleet in motion.

Get your DEF Quick Start Guide

We Make DEF Delivery Simple, Easy, & Safe

Order DEF in 5 minutes. It’s simple and easy to order. Get started with a call, chat or fill out our online form.

Get your DEF Quick Start Guide

DEF – WE FILL

DEF – You Fill

What Customers Are Saying About Fuel Logic

★★★★★

Excellent service, great communication. Over the years, the best on-site fueling I’ve experienced from any company. It’s hard to beat their best-in-class service. I’d recommend them to any yard with the responsibility of a fleet of any size.
Joshua McGinnis

★★★★★

These folks are top notch! You’ll quickly notice that Customer Service is a core value. Tracking tools are a big plus… very comprehensive and useful. Substantial cost savings, too. Highly recommended!
Scotty G

★★★★★

I’m very happy with the service. My drivers don’t waste time fueling. Time is money. I have a better control of what I’m spending in fuel. I highly recommend fuel logic.
RDZ0318

★★★★★

We have been using Fuel Logic for quite some time now to fuel up our fleet of vehicles. We have multiple locations across DFW that need to be serviced and we count on this company to keep our vehicles on the road! Thank you guys so much for all of your hard work and for making my job easier!
Jessie Maples