Equipment unit · VIN-decoded · NHTSA vPIC

2016 Kenworth W9 Series

1XKWD40X8GR120920 · Truck-Tractor · TRUCK
W900
Carriers run under4
29 mo
Inspections6
all-time
OOS inspections0
of 6
First seenAug 25, 2023
AK
Last seenJan 13, 2026
SD
Inspected under 4 different carriers in 29 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
1XKWD40X8GR120920
Make
Kenworth
Model
W9 Series
Model year
2016
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 24, 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
WD40X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1986 or 2016

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

North American serial sequence
120920

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 · 1,108 decoded VINs at 99.0% prefix purity.

Model
W9 Series

Prefix basis · 1,108 decoded VINs at 99.0% prefix purity.

Model line
W900

Sourced label · prefix basis 1,108 decoded VINs at 99.0% 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.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2016

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
W9 Series

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 25, 2023 – Jan 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 13, 2026SDIII · Driver-only2DARRIN L DEMARS 647653PZA4991/MN
Dec 11, 2025MOII · Walk-around3DARRIN L DEMARS 647653PZA4991/MN
Dec 4, 2025INIII · Driver-only3DARRIN L DEMARS 647653PZA4991/MN
Nov 13, 2024AKIII · Driver-only3GILMAN BEITO 2579868JGB431/AK
Mar 31, 2024AKIII · Driver-only0HELZER LOGISTICS INC 3063313JGB431/AK
Aug 25, 2023AKIII · Driver-only0SPECIALIZED TRANSPORT & RIGGING LLC 2448404JGB431/AK
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DARRIN L DEMARS647653Dec 4, 2025Jan 13, 20263MN
GILMAN BEITO2579868Nov 13, 2024Nov 13, 20241MT
HELZER LOGISTICS INC3063313Mar 31, 2024Mar 31, 20241AK
SPECIALIZED TRANSPORT & RIGGING LLC2448404Aug 25, 2023Aug 25, 20231AK
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.
PZA4991MNDARRIN L DEMARSDec 4, 2025Jan 13, 20263
JGB431AKGILMAN BEITONov 13, 2024Nov 13, 20241
JGB431AKHELZER LOGISTICS INCMar 31, 2024Mar 31, 20241
JGB431AK1SPECIALIZED TRANSPORT & RIGGING LLCAug 25, 2023Aug 25, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026