Equipment unit · VIN-decoded · NHTSA vPIC

2004 Peterbilt 379

1XP5DB9X84D823164 · Truck-Tractor · TRUCK
Carriers run under2
18 mo
Inspections3
all-time
OOS inspections0
of 3
First seenAug 28, 2024
WV
Last seenFeb 26, 2026
PA
Inspected under 2 different carriers in 18 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
1XP5DB9X84D823164
Make
Peterbilt
Model
379
Model year
2004
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 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 · Aug 28, 2024 – Feb 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 26, 2026PAIII · Driver-only1NORTHERN TIER TRANSPORTATION LLC 1592216AH01058/PA
Jan 28, 2025PAII · Walk-around4JAAR TRANSPORT LLC 2836293AH37534/PA
Aug 28, 2024WVII · Walk-around0JAAR TRANSPORT LLC 2836293AH37534/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NORTHERN TIER TRANSPORTATION LLC1592216Feb 26, 2026Feb 26, 20261PA
JAAR TRANSPORT LLC2836293Aug 28, 2024Jan 28, 20252PA
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.
AH01058PANORTHERN TIER TRANSPORTATION LLCFeb 26, 2026Feb 26, 20261
AH37534PAJAAR TRANSPORT LLCAug 28, 2024Jan 28, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 28, 2026