Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth W9 Series

1XKWD49XXMR457362 · Truck-Tractor · TRUCK
W900
Carriers run under2
39 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJun 26, 2023
WI
Last seenSep 17, 2026
WI
Inspected under 2 different carriers in 39 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
1XKWD49XXMR457362
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
Aug 20, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
WD49X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1991 or 2021

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
457362

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
KENWORTH

Prefix basis · 5,845 decoded VINs at 94.7% prefix purity.

Model
W9 Series

Prefix basis · 5,845 decoded VINs at 94.7% prefix purity.

Model line
W900

Sourced label · prefix basis 5,845 decoded VINs at 94.7% prefix purity.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Not established

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 26, 2023 – Sep 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 17, 2026WIIII · Driver-only2—SCHIPPER CUSTOM OPERATIONS LLC 102322188978X/WI
Jan 7, 2025IAIII · Driver-only7OOSSCHIPPER CUSTOM OPERATIONS LLC 102322188978X/WI
Sep 25, 2024WIII · Walk-around1—SCHIPPER CUSTOM OPERATIONS LLC 102322188978X/WI
Jun 26, 2023WIII · Walk-around2—SCHALLER TRUCKING LLC 233871063895X/WI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SCHIPPER CUSTOM OPERATIONS LLC1023221Sep 25, 2024Sep 17, 20263WI
SCHALLER TRUCKING LLC2338710Jun 26, 2023Jun 26, 20231WI
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.
88978XWI1SCHIPPER CUSTOM OPERATIONS LLCSep 25, 2024 → Sep 17, 20263
63895XWI—SCHALLER TRUCKING LLCJun 26, 2023 → Jun 26, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 20, 2026