Carrier profile · USDOT 616131 · Updated Sep 6, 2026
Tetra Tech Inc
6 power unitsavg 7.9 yrMulti-region · 8 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
Average age
2026
Newest model yr
2006
Oldest model yr
18.2%
VINs decoded
Unit roster· VIN-decoded from inspections · NHTSA vPIC
| VIN | Type | Year | Make | Model | Insp. | Last seen |
|---|---|---|---|---|---|---|
| 3C7WRNFL0HG674688View sourced platform decode | Incomplete - Chassis Cab (Number of Cab Unknown) | 2017 | RAM | 5500 | 3 | Aug 6, 2026 |
| 3C7WRNFL5HG504245View sourced platform decode | Power unit | 2017 | RAM | — | 2 | Dec 15, 2025 |
| 3C7WRNFL7HG674686View sourced platform decode | Incomplete - Chassis Cab (Number of Cab Unknown) | 2017 | RAM | 5500 | 1 | Apr 13, 2026 |
| 1GB4KSEY3SF152865View sourced platform decode | Power unit | 2025 | CHEVROLET | — | 1 | Apr 3, 2026 |
| 7P6500F24T1017199View sourced platform decode | Trailer | 2026 | UNPUBLISHE | — | 1 | Apr 3, 2026 |
| 47CTS5L217J167178View sourced platform decode | Trailer | 2007 | UNPUBLISHE | — | 1 | Mar 18, 2026 |
| 1XKZDP9X7LJ403822View sourced platform decode | Power unit | 2020 | KW | — | 1 | Feb 2, 2026 |
| HDD432350631 | Trailer | 2006 | HOLE | — | 1 | Feb 2, 2026 |
| 5JW1C1424N2372041View sourced platform decode | Trailer | 2022 | TRLR | — | 1 | Nov 11, 2025 |
| 3C7WRNFL6HG625611View sourced platform decode | Power unit | 2017 | DODG | — | 1 | Nov 11, 2025 |
| 5JW1C1422S2443040View sourced platform decode | Trailer | 2025 | SURE | — | 1 | May 14, 2025 |
Showing 11 · most-inspected first.