Equipment unit · VIN-decoded · NHTSA vPIC

2003 Peterbilt 379

1XP5DB9X83D809571 · Truck-Tractor · TRUCK
Carriers run under2
27 mo
Inspections3
all-time
OOS inspections1
of 3
First seen04/12/2024
CO
Last seen07/06/2026
LA
Inspected under 2 different carriers in 27 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
1XP5DB9X83D809571
Make
Peterbilt
Model
379
Model year
2003
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
07/28/2026
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 · 04/12/2024 – 07/06/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
07/06/2026LAIII · Driver-only2—4S TRANSPORT LLC 2279085R761157/TX
12/09/2025TXI · Full2—4S TRANSPORT LLC 2279085R761157/TX
04/12/2024COIII · Driver-only1OOSJET CORP 624752R725445/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
4S TRANSPORT LLC227908512/09/202507/06/20262TX
JET CORP62475204/12/202404/12/20241TX
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.
R761157TX14S TRANSPORT LLC12/09/2025 → 07/06/20262
R725445TX—JET CORP04/12/2024 → 04/12/20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/28/2026