Equipment unit · VIN-decoded · NHTSA vPIC

1998 Peterbilt 379

1XP5DB9X4WN453926 · Truck-Tractor · TRUCK
Carriers run under2
27 mo
Inspections4
all-time
OOS inspections0
of 4
First seen07/12/2023
TN
Last seen10/11/2025
KS
Inspected under 2 different carriers in 27 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
1XP5DB9X4WN453926
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
07/11/2026
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 · 07/12/2023 – 10/11/2025

DateStateLevelViol.OOSCarrier (DOT)Plate
10/11/2025KSII · Walk-around0—ZX EXPRESS LLC 3138723PZA3100/MN
05/04/2025ILIII · Driver-only1—ZX EXPRESS LLC 3138723PZA3100/MN
08/07/2023WIIII · Driver-only1—A&A HAULERS LLC 144474959891Z/WI
07/12/2023TNI · Full1—A&A HAULERS LLC 144474959891Z/WI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ZX EXPRESS LLC313872305/04/202510/11/20252MN
A&A HAULERS LLC144474907/12/202308/07/20232WI
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.
PZA3100MN—ZX EXPRESS LLC05/04/2025 → 10/11/20252
59891ZWI—A&A HAULERS LLC07/12/2023 → 08/07/20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/11/2026
1998 Peterbilt 379 — VIN 1XP5DB9X4WN453926