Equipment unit · VIN-decoded · NHTSA vPIC

1999 Peterbilt 379

1XP5DB9X5XD478924 · Truck-Tractor · TRUCK
Carriers run under2
12 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJul 11, 2024
TX
Last seenJul 18, 2025
TX
Inspected under 2 different carriers in 12 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
1XP5DB9X5XD478924
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
Jul 11, 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 · Jul 11, 2024 – Jul 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 18, 2025TXII · Walk-around0—TNT HAULING LLC 4032933R671033/TX
Apr 11, 2025TXII · Walk-around0—COWTOWN MATERIALS INC 333653R671033/TX
Sep 12, 2024TXII · Walk-around5OOSTNT HAULING LLC 4032933R671033/TX
Jul 11, 2024TXII · Walk-around3—TNT HAULING LLC 4032933R671033/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TNT HAULING LLC4032933Jul 11, 2024Jul 18, 20253TX
COWTOWN MATERIALS INC333653Apr 11, 2025Apr 11, 20251TX
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.
R671033TX—TNT HAULING LLCJul 11, 2024 → Jul 18, 20253
R671033TX—COWTOWN MATERIALS INCApr 11, 2025 → Apr 11, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 11, 2026