Carrier profile · USDOT 1386399 · MC-528036 · Updated Jun 13, 2026
Diaz and Sons Transportation Inc
1 power unitavg 10.8 yrLocal · 1 statesWALNUT CREEK, CA74/100
AUTHORITY STATUS UNKNOWNMC-528036 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)
- 1
- Observed power (24 mo)
- 1
- Trailers (towed)
- 7
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
2018
Newest model yr
2006
Oldest model yr
37.5%
VINs decoded
Unit roster· VIN-decoded from inspections · NHTSA vPIC
| VIN | Type | Year | Make | Model | Insp. | Last seen |
|---|---|---|---|---|---|---|
| 3AKJGED52GSHB4655View sourced platform decode | Truck-Tractor | 2016 | FREIGHTLINER | Cascadia | 8 | Apr 30, 2026 |
| 1UYVS2530J3092906View sourced platform decode | Trailer | 2018 | UTILITY TRAILER MA | Utility Trailer Manufacturer | 1 | Apr 30, 2026 |
| 1UYVS2539J3133422View sourced platform decode | Trailer | 2018 | UTIL | — | 1 | Jan 30, 2026 |
| 1UYVS2487FP298219View sourced platform decode | Trailer | 2015 | UTIL | — | 1 | Oct 28, 2025 |
| 1UYVS2485HP803404View sourced platform decode | Trailer | 2017 | UTIL | — | 1 | Aug 8, 2025 |
| 1UYVS2532J3184874View sourced platform decode | Trailer | 2018 | UTIL | — | 1 | May 19, 2025 |
| 1UYVS253X6P996214View sourced platform decode | Trailer | 2006 | UTILITY TRAILER MA | Utility Trailer Manufacturer | 1 | Nov 21, 2024 |
| 1UYVS2534EG01131 | Trailer | 2014 | UTIL | — | 1 | Nov 5, 2024 |
Showing 8 · most-inspected first.