Equipment unit · VIN-decoded · NHTSA vPIC

2003 Peterbilt 379

1XP5DB9X23D593023 · Truck-Tractor · TRUCK
Carriers run under2
31 mo
Inspections4
all-time
OOS inspections0
of 4
First seenDec 26, 2023
TX
Last seenJul 9, 2026
TX
Inspected under 2 different carriers in 31 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
1XP5DB9X23D593023
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
Jul 16, 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 · Dec 26, 2023 – Jul 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 9, 2026TXII · Walk-around2—DIAMOND D TRUCKING LLC 21898133NF404/OK
Dec 2, 2025OKII · Walk-around2—DIAMOND D TRUCKING LLC 21898133NF404/OK
Apr 14, 2025OKIII · Driver-only2—DIAMOND D TRUCKING LLC 2189813732543/OK
Dec 26, 2023TXII · Walk-around0—T W NEAL TRUCKING LLC 14074923HQ543/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DIAMOND D TRUCKING LLC2189813Apr 14, 2025Jul 9, 20263OK
T W NEAL TRUCKING LLC1407492Dec 26, 2023Dec 26, 20231OK
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.
3NF404OK1DIAMOND D TRUCKING LLCDec 2, 2025 → Jul 9, 20262
732543OK—DIAMOND D TRUCKING LLCApr 14, 2025 → Apr 14, 20251
3HQ543OK—T W NEAL TRUCKING LLCDec 26, 2023 → Dec 26, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 16, 2026