Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 389

1NPXX4EX7MD730437 · Truck · INCOMPLETE VEHICLE
Carriers run under2
34 mo
Inspections4
all-time
OOS inspections0
of 4
First seenSep 18, 2023
MD
Last seenJul 30, 2026
PA
Inspected under 2 different carriers in 34 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
1NPXX4EX7MD730437
Make
Peterbilt
Model
389
Model year
2021
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 26, 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 · Sep 18, 2023 – Jul 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 30, 2026PAIII · Driver-only0—VOLLMER PAVING INC 2180113ZYZ1511/PA
Dec 29, 2025PAIII · Driver-only0—VOLLMER PAVING INC 2180113ZYZ1511/PA
Jun 24, 2024MDI · Full0—JERRY PRESTON HAULING INCORPORATED 428030259ED53/MD
Sep 18, 2023MDII · Walk-around1—JERRY PRESTON HAULING INCORPORATED 428030259ED53/MD
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VOLLMER PAVING INC2180113Dec 29, 2025Jul 30, 20262PA
JERRY PRESTON HAULING INCORPORATED428030Sep 18, 2023Jun 24, 20242MD
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.
ZYZ1511PA1VOLLMER PAVING INCDec 29, 2025 → Jul 30, 20262
259ED53MD—JERRY PRESTON HAULING INCORPORATEDSep 18, 2023 → Jun 24, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026