Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 389

1XPXP4EX8PD839967 · Truck-Tractor · TRUCK
Carriers run under2
10 mo
Inspections5
all-time
OOS inspections2
of 5
First seen05/29/2025
AZ
Last seen03/06/2026
MI
Inspected under 2 different carriers in 10 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
1XPXP4EX8PD839967
Make
Peterbilt
Model
389
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
06/29/2026
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 · 05/29/2025 – 03/06/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
03/06/2026MIIII · Driver-only2—ZAM EXPRESS LLC 4348571PXC5652/OH
01/10/2026TXII · Walk-around8OOSZAM EXPRESS LLC 4348571PXC5652/OH
07/30/2025AZII · Walk-around3—ZAM EXPRESS LLC 4348571PXC5652/OH
06/05/2025CAIII · Driver-only6OOSHEAVY HAUL EXPRESS LLC 3502215PXC5652/OH
05/29/2025AZIII · Driver-only1—ZAM EXPRESS LLC 4348571PXC5652/OH
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ZAM EXPRESS LLC434857105/29/202503/06/20264OH
HEAVY HAUL EXPRESS LLC350221506/05/202506/05/20251OH
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.
PXC5652OH—ZAM EXPRESS LLC05/29/2025 → 03/06/20264
PXC5652OH—HEAVY HAUL EXPRESS LLC06/05/2025 → 06/05/20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/29/2026
2023 Peterbilt 389 — VIN 1XPXP4EX8PD839967