Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 389

1XPXD49X4MD746989 · Truck-Tractor · TRUCK
Carriers run under2
23 mo
Inspections6
all-time
OOS inspections3
of 6
First seen03/19/2024
CA
Last seen02/09/2026
NE
Inspected under 2 different carriers in 23 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
1XPXD49X4MD746989
Make
Peterbilt
Model
389
Model year
2021
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
06/25/2026
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 · 03/19/2024 – 02/09/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
02/09/2026NEIII · Driver-only0—WELDON G DYCK 1560304ZP37662/CA
12/27/2025CAIII · Driver-only2OOSWELDON G DYCK 1560304ZP37662/CA
04/25/2025CAI · Full1OOSWELDON G DYCK 1560304ZP37662/CA
04/25/2025CAI · Full0—WELDON G DYCK 1560304ZP37662/CA
04/02/2025CAI · Full1—WELDON G DYCK 1560304ZP37662/CA
03/19/2024CAI · Full1OOSTRANSPORTATION COMMERCE 378589652638/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WELDON G DYCK156030404/02/202502/09/20265CA
TRANSPORTATION COMMERCE378589603/19/202403/19/20241CA
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.
ZP37662CA—WELDON G DYCK04/02/2025 → 02/09/20265
52638CA—TRANSPORTATION COMMERCE03/19/2024 → 03/19/20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/25/2026