---
title: "Northwest Truck And Trailer — Clean Truck Check, Crystal Lake, IL"
description: "Northwest Truck And Trailer in Crystal Lake, IL is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone…"
url: "https://ctcfinder.com/tester/northwest-truck-and-trailer-crystal-lake-il/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Northwest Truck And Trailer

Clean Truck Check tester in Crystal Lake, IL.

> CTC Finder is an independent directory, not affiliated with CARB. Tester data: CARB Clean Truck Check public tester list, last checked November 1, 2026. Confirm services, hours and prices with the tester.

| Field | Value |
|---|---|
| Location | 7013 Sands Rd, Crystal Lake, IL 60014 |
| Phone | (224) 840-9780 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Northwest Truck And Trailer can test

| Your vehicle | Test required | This tester |
|---|---|---|
| Diesel, model year 2013 or newer | OBD scan | Yes |
| Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Yes |
| Diesel, model year 2012 or older (no OBD) | Smoke opacity test (SAE J1667) plus visual inspection | Not listed |
| California-registered motorhome | Same test as above by engine year, once a year | Yes |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Dagger Cargo in Crystal Lake, about 1 mile away. [See listing](https://ctcfinder.com/tester/dagger-cargo-crystal-lake-il/).

## Clean Truck Check testers in Illinois

Northwest Truck And Trailer is one of 65 testing businesses in Illinois on CARB's public tester list. 44 of them offer mobile testing and 19 do smoke opacity tests.

## When your truck is due

Most trucks test twice a year, on a schedule tied to the DMV registration expiration date. CARB says OBD trucks move to four tests a year beginning October 2027. California-registered (non-commercial) motorhomes and agricultural vehicles test once a year. See the [deadline guide](https://ctcfinder.com/guide/deadlines-2026-2027/). You can test up to 90 days before a deadline. Free email reminders: https://ctcfinder.com/reminders/

## Frequently asked questions

### Does Northwest Truck And Trailer offer mobile Clean Truck Check testing?

Yes. Northwest Truck And Trailer says on CARB's tester list that it offers mobile testing, so it can come to your yard or job site. Ask about a trip fee when you call.

### Can Northwest Truck And Trailer test a 2012 or older diesel truck?

Northwest Truck And Trailer does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Dagger Cargo](https://ctcfinder.com/tester/dagger-cargo-crystal-lake-il/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Northwest Truck And Trailer charge for a Clean Truck Check?

Northwest Truck And Trailer has not published prices with us; call (224) 840-9780 for a quote. Published California prices are usually $50–$135 per vehicle for an OBD test and $190–$200 for a smoke opacity test, plus CARB's annual fee ($32.13 in 2026). See the [cost guide](https://ctcfinder.com/guide/cost/).

### Is Northwest Truck And Trailer a CARB-credentialed tester?

Northwest Truck And Trailer appears on CARB's public Clean Truck Check tester list, last checked November 1, 2026. Only credentialed testers can submit results to CARB; after the test, confirm the passing result shows for your vehicle in CTC-VIS.

## Other testers nearby

- **[Dagger Cargo](https://ctcfinder.com/tester/dagger-cargo-crystal-lake-il/)** — Crystal Lake, IL 60014 — (773) 470-7559 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Iurie Boboc](https://ctcfinder.com/tester/iurie-boboc-lake-in-the-hills-il/)** — Lake in the Hills, IL 60156 — (970) 355-9339 — 2 mi. Services: mobile testing, OBD testing.
- **[Kenan Advantage Group](https://ctcfinder.com/tester/kenan-advantage-group-lake-in-the-hills-il/)** — 1301 Industrial Dr, Lake in the Hills, IL 60156 — (330) 409-4105 — 2 mi. Services: OBD testing.
- **[PC Truck Center INC](https://ctcfinder.com/tester/pc-truck-center-inc-dundee-il/)** — 407 Christina Dr, Dundee, IL 60118 — (217) 714-4369 — 8 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Zaven Ghazaryan](https://ctcfinder.com/tester/zaven-ghazaryan-dundee-il/)** — Dundee, IL 60118 — (224) 242-0534 — 8 mi. Services: OBD testing.
- **[Us Exp Truck Repair LLC](https://ctcfinder.com/tester/us-exp-truck-repair-llc-sleepy-hollow-il/)** — 260 Patricia Ln, Sleepy Hollow, IL 60118 — (773) 600-7516 — 8 mi. Services: mobile testing, OBD testing.