Services
Full-service mobile diesel repair for fleets, owner-operators, and local contractors. If it’s on the side of the road or on a job site, we can usually get it moving.
- Computer diagnostics (Cummins, Detroit, Volvo/Mack, etc.)
- No-start & drivability issues
- Aftertreatment faults & forced regens
- Fuel system problems & priming
- Cooling system leaks & overheating
- Air system / air dryer / brake issues
- Electrical troubleshooting and wiring
- Battery testing, replacement & jumpstarts
- ABS & trailer light repairs
- Hydraulic hose and cylinder troubleshooting
- On-site maintenance for local fleets
Call anytime, day or night. If we miss your call while we’re on another scene, leave your name, location (interstate, exit, or address), and a quick description of the problem. We’ll call back as soon as we clear the current job.
Payment options: Cash, card, fleet accounts, and most digital payment apps.
Coverage Area
Based in Central Illinois, serving the I-70 corridor and surrounding rural areas where getting a tow isn’t always quick or cheap.
- Primary Corridors: I-70, I-57, I-74
- Key Towns: Marshall, Westfield, Casey, Greenup, Effingham, Mattoon, Charleston, Paris, Tuscola, & surrounding areas
- Typical Calls: Rest areas, truck stops, rural farms, job sites, and local yards.
If you’re anywhere within a reasonable drive of Marshall / Westfield or along I-70 in Central Illinois, call us and we’ll let you know how soon we can be there and what the trip charge will be.
About N&N
Owner-operators who also work the calls. When you dial N&N, you’re talking directly to the people who show up with the truck and tools.
N&N Emergency Diesel Authority is owned and operated by Jordan Nave and Dylan Nelson. With experience in heavy truck, trailer, and equipment repair, we focus on real-world, practical fixes that get you rolling again as quickly and safely as possible.
We understand downtime costs you money. That’s why we offer true 24/7 roadside service, honest communication, and clear pricing.
- • Direct line to the techs doing the work
- • Mobile diagnostics and repair on site
- • Nights, weekends, and holidays covered
- • We explain what failed and why
- • Photos and updates available for fleet managers
Contact & Dispatch
For the fastest response, call or tap the number below. Text is fine too—send your location and a photo of the dash or problem if possible.
When you contact us, please include:
- Your name and company
- Truck make, model, and year
- Engine (if known)
- Exact location (interstate, mile marker, or address)
- Brief description of what happened
| Dispatch | (730) 263-8303 |
| Jordan (Owner) | 217-293-9160 |
| Dylan (Owner) | 217-722-6843 |
| info@nnemergencydiesel.com | |
| Hours | 24 hours a day · 7 days a week |