Northwest Truck And Trailer
Clean Truck Check tester in Crystal Lake, IL.
- Mobile testing
- OBD test
- Motorhomes
Northwest Truck And Trailer appears on CARB's public list of credentialed Clean Truck Check testers. It lists mobile testing, OBD testing, motorhome testing. Mobile testing means the tester can come to your yard or job site.
- Location
- 7013 Sands Rd, Crystal Lake, IL 60014
- Phone
- (224) 840-9780
- Mobile testing
- Yes — comes to your yard
- OBD testing
- Yes
- Smoke opacity (non-OBD)
- No
- Motorhomes
- Yes
- Credentialed testers
- 1
- Last verified
Call (224) 840-9780 Open in Google Maps
Before you call
- Have your VIN, odometer reading and plate number ready.
- Your vehicle must be registered in CTC-VIS and the annual compliance fee paid; the tester submits the result to CARB.
- Ask for the price per vehicle and any mobile trip fee. Typical published prices for an OBD test are $50–$135 per vehicle (see cost guide).
Which trucks Northwest Truck And Trailer can test
The test CARB requires depends on the engine's fuel and model year. Based on the services Northwest Truck And Trailer lists on CARB's tester list:
| 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.
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. Testers outside California.
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. You can test up to 90 days before a deadline. Get a free email reminder before each one.
How to check a tester's credential
CARB publishes its Clean Truck Check tester list, where Northwest Truck And Trailer appears as of November 1, 2026. Listing there is optional, so a missing name does not always mean a tester is not credentialed. After the test, check that the passing result shows for your vehicle in CTC-VIS; that is what counts for compliance.
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 (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.
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 near Crystal Lake
-
Dagger Cargo
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
-
Iurie Boboc
- Mobile testing
- OBD test
-
Kenan Advantage Group
- OBD test
-
PC Truck Center INC
- Mobile testing
- OBD test
- Motorhomes
-
Zaven Ghazaryan
- OBD test
-
Us Exp Truck Repair LLC
- Mobile testing
- OBD test
Source: CARB's public Clean Truck Check tester list, last checked . Listing on CARB's list is optional for testers, so some credentialed testers are not shown. Services, hours and prices change; please confirm with the tester before you go. Something wrong? Send a correction.