Equipment unit · VIN-decoded · NHTSA vPIC

1999 Peterbilt 379

1XP5DB9X7XD478973 · Truck-Tractor · TRUCK
Carriers run under2
25 mo
Inspections6
all-time
OOS inspections3
of 6
First seenJun 15, 2023
TX
Last seenJul 31, 2025
NM
Inspected under 2 different carriers in 25 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XP5DB9X7XD478973
Make
Peterbilt
Model
379
Model year
1999
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 24, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 15, 2023 – Jul 31, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 31, 2025NMI · Full12OOSROCKING DP TRUCKING LLC 4161095R685580/TX
Apr 15, 2025NMII · Walk-around3ROCKING DP TRUCKING LLC 4161095R685580/TX
Feb 24, 2025TXII · Walk-around4ROCKING DP TRUCKING LLC 4161095R685580/TX
Jun 10, 2024TXII · Walk-around5OOSROCKING DP TRUCKING LLC 4161095R685580/TX
Feb 20, 2024TXII · Walk-around5OOSROCKING DP TRUCKING LLC 4161095R685580/TX
Jun 15, 2023TXIII · Driver-only1SANTOS GONZALEZ 1969874R498969/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROCKING DP TRUCKING LLC4161095Feb 20, 2024Jul 31, 20255TX
SANTOS GONZALEZ1969874Jun 15, 2023Jun 15, 20231TX
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
R685580TXROCKING DP TRUCKING LLCFeb 20, 2024Jul 31, 20255
R498969TXSANTOS GONZALEZJun 15, 2023Jun 15, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026
1999 Peterbilt 379 — VIN 1XP5DB9X7XD478973