Equipment unit · VIN-decoded · NHTSA vPIC

2017 Kenworth W9 Series

1NKWX4TXXHJ146111 · Truck · INCOMPLETE VEHICLE
W900
Carriers run under1
21 mo
Inspections5
all-time
OOS inspections0
of 5
First seenFeb 22, 2024
AL
Last seenNov 13, 2025
AL
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKWX4TXXHJ146111
Make
Kenworth
Model
W9 Series
Model year
2017
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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
1NK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
WX4TX

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1987 or 2017

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

North American serial sequence
146111

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 · 239 decoded VINs at 99.6% prefix purity.

Model
W9 Series

Prefix basis · 239 decoded VINs at 99.6% prefix purity.

Model line
W900

Sourced label · prefix basis 239 decoded VINs at 99.6% 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
2017

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

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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 · Feb 22, 2024 – Nov 13, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 13, 2025ALII · Walk-around2CHRIS BREWER CONTRACTING INC 146578751A0DHM/AL
Aug 13, 2025ALII · Walk-around6CHRIS BREWER CONTRACTING INC 146578751A0DHM/AL
Dec 30, 2024ALIII · Driver-only0CHRIS BREWER CONTRACTING INC 146578751A0DHM/AL
Sep 3, 2024ALIII · Driver-only0CHRIS BREWER CONTRACTING INC 146578751A0DRA/AL
Feb 22, 2024ALII · Walk-around1CHRIS BREWER CONTRACTING INC 146578751A0DRA/AL
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CHRIS BREWER CONTRACTING INC1465787Feb 22, 2024Nov 13, 20255AL
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.
51A0DHMALCHRIS BREWER CONTRACTING INCDec 30, 2024Nov 13, 20253
51A0DRAALCHRIS BREWER CONTRACTING INCFeb 22, 2024Sep 3, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026