
We are a licensed provider for the California Air Resources Board.
Testing all semi-trucks, rv, and all class 4 vehicles and up.
Stay ahead of regulations and avoid fines with our fast and professional service.

Any non-gasoline vehicle with GVWR more than 14,000lbs in California, including RV's and Service Trucks.
How often?
if the truck is OBD equipped (Engine mfg. year 2013 & newer)it will will have to get tested semi-annually for the first 3 years then move to quarterly-testing.
If the engine is 2012 or older then it will have to get smoke tested semi annually.
RV or AG vehicles will have to be tested annually.










We love our customers, so feel free to visit during normal business hours.
Mon | 09:00 am – 05:00 pm | |
Tue | 09:00 am – 05:00 pm | |
Wed | 09:00 am – 05:00 pm | |
Thu | 09:00 am – 05:00 pm | |
Fri | 09:00 am – 05:00 pm | |
Sat | Closed | |
Sun | Closed |
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California's Diesel Mobile Testing LLC.
2245 Learned Ave, Stockton, CA 95205
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