
Open 7 days a week with 24/7 emergency road service across Newark, NJ. Diesel engine experts you can trust.
From full engine rebuilds to roadside emergencies — one shop, every fix.
Full diesel engine diagnostics, repair & rebuilds.
Clutch replacement and adjustment.
Starter motor repair & replacement.
Transmission service & overhaul.
Air brake systems inspection & repair.
Charging system diagnostics & repair.
Tire service, mounting & road calls.
Computerized fault-code diagnostics.
Electrical & wiring troubleshooting.
24/7 mobile emergency road service.
Preventive maintenance & oil changes.
For years, JJ Truck Repair has kept fleets and owner-operators moving. From full engine rebuilds to roadside emergencies, our certified diesel technicians treat every rig like it's our own.
Our technicians live and breathe heavy-duty diesel. Every repair is done to spec, the first time.
Breakdowns don't wait for business hours. Neither do we. We're here every single day.
Stuck on the shoulder? One call and our mobile unit rolls out — anywhere around Newark, NJ.
Real rigs. Real repairs. Real results.
Fleets and owner-operators keep coming back.
“Broke down at 2 AM on the turnpike. JJ had a tech out to me within the hour and I was rolling again before sunrise. Lifesavers.”
“Full engine rebuild done right and on time. Fair price and they explained everything. My go-to shop now.”
“We run a fleet of 12 trucks and JJ keeps every one of them on the road. Reliable, fast, and honest.”
Tell us what's wrong. We'll get right back to you.