Equipment unit · VIN-decoded · NHTSA vPIC

1998 Peterbilt 379

1XP5DR9X4WD449650 · Truck-Tractor · TRUCK
Carriers run under2
2 mo
Inspections3
all-time
OOS inspections1
of 3
First seen08/08/2025
TX
Last seen10/27/2025
TX
Inspected under 2 different carriers in 2 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
1XP5DR9X4WD449650
Make
Peterbilt
Model
379
Model year
1998
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
07/30/2026
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 · 08/08/2025 – 10/27/2025

DateStateLevelViol.OOSCarrier (DOT)Plate
10/27/2025TXII · Walk-around3—TAC MATERIALS LLC 4406424R777747/TX
09/17/2025TXII · Walk-around2OOSTAC MATERIALS LLC 4406424R777747/TX
08/08/2025TXII · Walk-around1—BARNES TRANSPORTATION LLC 2911232R777747/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TAC MATERIALS LLC440642409/17/202510/27/20252TX
BARNES TRANSPORTATION LLC291123208/08/202508/08/20251TX
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.
R777747TX—TAC MATERIALS LLC09/17/2025 → 10/27/20252
R777747TX—BARNES TRANSPORTATION LLC08/08/2025 → 08/08/20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/30/2026