Carrier profile · USDOT 4396127 · Updated Jun 13, 2026
Jennifer Marie Hernandez
DBA ROCK-IT TRANSPORT
5 power unitsavg 18.2 yrLocal · 1 statesSAN ANTONIO, TX50/100
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)
- 5
- Observed power (24 mo)
- 3
- Trailers (towed)
- 2
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
2016
Newest model yr
2000
Oldest model yr
20.0%
VINs decoded
Unit roster· VIN-decoded from inspections · NHTSA vPIC
| VIN | Type | Year | Make | Model | Insp. | Last seen |
|---|---|---|---|---|---|---|
| 4Z45154252P004065View sourced platform decode | Trailer | 2002 | CPS TRAILER COMPAN | End Dump Trailer | 2 | May 6, 2026 |
| 1XP5DU9X26N647981View sourced platform decode | Power unit | 2006 | PTRB | — | 1 | May 6, 2026 |
| 1XP9DB9X7GD204898View sourced platform decode | Power unit | 2016 | PTRB | — | 1 | May 6, 2026 |
| 56EA53K20FA000120View sourced platform decode | Trailer | 2015 | ARMC | — | 1 | May 6, 2026 |
| 1XPGDU9X4YD519842View sourced platform decode | Power unit | 2000 | PTRB | — | 1 | Jul 29, 2025 |
Showing 5 · most-inspected first.