Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth W9 Series

1XKWDP9X4MR452191 · Truck-Tractor · TRUCK
Carriers run under3
33 mo
Inspections3
all-time
OOS inspections0
of 3
First seenAug 17, 2023
IA
Last seenMay 27, 2026
SD
Inspected under 3 different carriers in 33 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
1XKWDP9X4MR452191
Make
Kenworth
Model
W9 Series
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
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 · Aug 17, 2023 – May 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 27, 2026SDII · Walk-around0—MARTIN M WOODFORD 449738PAW7066/MN
Feb 25, 2024NMII · Walk-around0—J&M TRANSPORT INC 116811573452Z/WI
Aug 17, 2023IAIII · Driver-only2—FORST TRANSFER INC 242300PAS8404/MN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARTIN M WOODFORD449738May 27, 2026May 27, 20261MN
J&M TRANSPORT INC1168115Feb 25, 2024Feb 25, 20241WI
FORST TRANSFER INC242300Aug 17, 2023Aug 17, 20231MN
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.
PAW7066MN—MARTIN M WOODFORDMay 27, 2026 → May 27, 20261
73452ZWI—J&M TRANSPORT INCFeb 25, 2024 → Feb 25, 20241
PAS8404MN—FORST TRANSFER INCAug 17, 2023 → Aug 17, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026