Equipment unit · VIN-decoded · NHTSA vPIC

2015 Kenworth W9 Series

1XKWD40X4FR450732 · Truck-Tractor · TRUCK
W900
Carriers run under1
35 mo
Inspections11
all-time
OOS inspections4
of 11
First seenAug 25, 2023
AK
Last seenJul 29, 2026
AK
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKWD40X4FR450732
Make
Kenworth
Model
W9 Series
Model year
2015
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 19, 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
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1985 or 2015

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

North American serial sequence
450732

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
2015

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 – Jul 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 29, 2026AKI · Full2DWAIN E SAULNIER 550555GYM373/AK
May 13, 2026AKI · Full8OOSDWAIN E SAULNIER 550555GYM373/AK
Apr 2, 2026AKIII · Driver-only2DWAIN E SAULNIER 550555GYM373/AK
Oct 2, 2025AKII · Walk-around5OOSDWAIN E SAULNIER 550555GYM373/AK
Sep 17, 2025AKIII · Driver-only2DWAIN E SAULNIER 550555GYM373/AK
Jul 31, 2025AKII · Walk-around2OOSDWAIN E SAULNIER 550555GYM373/AK
Dec 17, 2024AKIII · Driver-only4DWAIN E SAULNIER 550555GYM373/AK
Mar 11, 2024AKII · Walk-around5OOSDWAIN E SAULNIER 550555GYM373/AK
Feb 23, 2024AKIII · Driver-only1DWAIN E SAULNIER 550555GYM373/AK
Oct 13, 2023AKIII · Driver-only1DWAIN E SAULNIER 550555GYM373/AK
Aug 25, 2023AKIII · Driver-only0DWAIN E SAULNIER 550555GYM373/AK
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DWAIN E SAULNIER550555Aug 25, 2023Jul 29, 202611AK
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.
GYM373AK1DWAIN E SAULNIERAug 25, 2023Jul 29, 202611
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026