Equipment unit · VIN-decoded · NHTSA vPIC

1998 Peterbilt 379

1XP5DR9X7WN444551 · Truck-Tractor · TRUCK
Carriers run under2
21 mo
Inspections5
all-time
OOS inspections1
of 5
First seen08/22/2024
AZ
Last seen05/12/2026
TX
Inspected under 2 different carriers in 21 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
1XP5DR9X7WN444551
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
06/28/2026
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 · 08/22/2024 – 05/12/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
05/12/2026TXI · Full0—MT LOGISTICS LLC 4454365IRN2450/NM
08/13/2025TXII · Walk-around2—4 A S TRANSPORT LLC 3668777IRM4975/NM
12/02/2024TXI · Full2—4 A S TRANSPORT LLC 3668777IRM4975/NM
11/01/2024AZII · Walk-around7OOS4 A S TRANSPORT LLC 3668777IRM4975/NM
08/22/2024AZII · Walk-around3—4 A S TRANSPORT LLC 3668777IRM4975/NM
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MT LOGISTICS LLC445436505/12/202605/12/20261NM
4 A S TRANSPORT LLC366877708/22/202408/13/20254NM
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.
IRN2450NM—MT LOGISTICS LLC05/12/2026 → 05/12/20261
IRM4975NM—4 A S TRANSPORT LLC08/22/2024 → 08/13/20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/28/2026