Carrier profile · USDOT 616131 · Updated Jun 13, 2026

TETRA TECH INC

6 power unitsavg 7.9 yrRegional · 7 statesPASADENA, CA80/100
AUTHORITY STATUS UNKNOWN

Equipment

Haulable capacity (power units only — trailers are towed context), equipment mix, and the VIN-decoded unit roster. Click any VIN to trace that unit across every carrier that has run it.

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150)
6
Observed power (24 mo)
6
Trailers (towed)
5

Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.

Fleet age· model years · decoded VINs

7.9 yr
Average age
2026
Newest model yr
2006
Oldest model yr
9.1%
VINs decoded

Unit roster· VIN-decoded from inspections · NHTSA vPIC

VINTypeYearMakeModelInsp.Last seen
3C7WRNFL0HG674688Power unit2017DODGE2Mar 18, 2026
3C7WRNFL5HG504245Power unit2017RAM2Dec 15, 2025
3C7WRNFL7HG674686Incomplete - Chassis Cab (Number of Cab Unknown)2017RAM55001Apr 13, 2026
1GB4KSEY3SF152865Power unit2025CHEVROLET1Apr 3, 2026
7P6500F24T1017199Trailer2026UNPUBLISHE1Apr 3, 2026
47CTS5L217J167178Trailer2007UNPUBLISHE1Mar 18, 2026
1XKZDP9X7LJ403822Power unit2020KW1Feb 2, 2026
HDD432350631Trailer2006HOLE1Feb 2, 2026
5JW1C1424N2372041Trailer2022TRLR1Nov 11, 2025
3C7WRNFL6HG625611Power unit2017DODG1Nov 11, 2025
5JW1C1422S2443040Trailer2025SURE1May 14, 2025

Showing 11 · most-inspected first.