Gregorio’s Truck & Fleet Service
Heavy-duty trucks. Tractors. Trailers. Fleet PM. We come to you — anywhere in the Greater Chicago Metro. Same-day service available.
What We Do
Straightforward pricing on the breakdowns and PM that keep your fleet running. All work backed by a 90-day parts & labor warranty.
🛑 Brake Service
Pads, rotors, calipers, slack adjusters. Air brake systems. DOT-compliant. Most jobs same day.
⚡ Alternators
Replacement, charging system diagnostics, belt and pulley service. Mobile install.
🔋 Batteries
Heavy-duty Group 31 commercial batteries. Cable cleaning. Load testing. Free delivery.
🔌 Starters
Replacement, solenoid service, ignition system diagnostics. Cold-start failures fixed roadside.
🛢️ Oil & PM Service
Full preventive maintenance — oil, filters, fluids, grease, full inspection. Heavy-duty diesel.
📋 DOT Inspections
Annual DOT inspections. Compliance documentation. Get your fleet road-legal, fast.
🚨 Mobile Service Call
We come to you. Roadside, your yard, the warehouse — anywhere in the metro area.
⏱️ Hourly Labor
For diagnostics or work outside the menu. Honest hours, honest billing.
🤝 Fleet Contracts
5+ trucks? Set up a monthly PM contract and lock in priority response. Call for quote.
Why Fleet Managers Trust Us
15 years on the wrench, including years maintaining FedEx delivery fleets. We know what breaks and how to fix it fast.
FedEx Fleet Experience
Years maintaining FedEx delivery vehicles. We know the wear patterns, the failures, and the fixes — before you break down.
Mobile-First Service
Most jobs done at your yard, your dock, or roadside. No towing fees. No downtime in our shop.
Honest, Fixed Pricing
Menu pricing on the most common jobs. No surprise add-ons. Quotes in writing before we turn a wrench.
24/7 Emergency Response
Roadside breakdown? We’ve got you. Call and we’re rolling — same metro, no excuses.
What Customers Say
5-star reviews across Google, Facebook, and word-of-mouth — because the work speaks for itself.
“Gregorio came out at 6 AM to get our reefer truck running before the morning route. Fixed the alternator in our yard. Saved us a full day’s deliveries. Booking him for our whole fleet now.”
“Honest pricing, real work. Other shops quoted me $1,800 for a brake job — Gregorio did it for $900 and it’s been solid for 18 months. He’s our guy now.”
“Used to maintain our FedEx route trucks. Knew every truck by sight. Now that he’s solo, we follow him. The mechanic you call when something has to be fixed today, not next week.”
Service Area
Greater Chicago Metro — we cover Cook, DuPage, Will, Kane, Lake, and McHenry. Mobile service to your location.
Truck Down? Call Now.
Same-day mobile service. Honest pricing. 15+ years on the wrench. We come to you.
📞 (312) 555-5555Gregorio’s Truck & Fleet Service · Greater Chicago Metro · Mobile Heavy-Duty Mechanic · Licensed & Insured

