Mobile smoke opacity testing in Glendora and the San Gabriel Valley. We come to your yard so you don’t have to bring the trucks in.
We test
- Diesel trucks with 2012 and older engines (smoke opacity plus visual)
- Box trucks, dump trucks, work trucks, buses, and motorhomes
- Whole fleets in one trip
Nearby cities
Glendora, Azusa, Covina, San Dimas, La Verne, Irwindale, Baldwin Park, Duarte, and more. Local yard visits are free.
Rather bring it in?
Our Route 66 shop takes the long ones too. If you’re confident it fits, we’re confident. Just text first.
Got trucks that need testing?
Pick a few days that work and we'll come to your yard. Local visits are free.
Or call 626-551-4555