Equipment unit · VIN-decoded · NHTSA vPIC

2015 Kenworth T4 Series

1NKBXJ0X1FJ460244 · Truck · INCOMPLETE VEHICLE
Carriers run under3
35 mo
Inspections12
all-time
OOS inspections3
of 12
First seenJul 25, 2023
NC
Last seenJun 29, 2026
NC
Inspected under 3 different carriers in 35 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
1NKBXJ0X1FJ460244
Make
Kenworth
Model
T4 Series
Model year
2015
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 18, 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
BXJ0X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
460244

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 · 34 decoded VINs at 100.0% prefix purity.

Model
T4 Series

Prefix basis · 34 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

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
T4 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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 25, 2023 – Jun 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 29, 2026NCIII · Driver-only0BROWE CONSTRUCTION COMPANY INC 2508154YA193933/NC
May 20, 2026NCIII · Driver-only0BROWE CONSTRUCTION COMPANY INC 2508154YA193933/NC
Nov 12, 2025NCIII · Driver-only0JYMCO CONSTRUCTION COMPANY INC 4181460YA178926/NC
Sep 10, 2025NCIII · Driver-only0JYMCO CONSTRUCTION COMPANY INC 4181460YA178926/NC
Aug 15, 2025NCII · Walk-around2OOSJYMCO CONSTRUCTION COMPANY INC 4181460YA178926/NC
Jul 18, 2025NCIII · Driver-only1JYMCO CONSTRUCTION COMPANY INC 4181460YA178926/NC
Mar 27, 2025NCIII · Driver-only1JYMCO CONSTRUCTION COMPANY INC 4181460YA178926/NC
Feb 13, 2024NCII · Walk-around1OOSJYMCO DEVELOPMENT INC 2469928YA178926/NC
Sep 6, 2023NCIII · Driver-only1JYMCO DEVELOPMENT INC 2469928YA178926/NC
Aug 3, 2023NCIII · Driver-only0JYMCO DEVELOPMENT INC 2469928YA178926/NC
Jul 31, 2023NCII · Walk-around1OOSJYMCO DEVELOPMENT INC 2469928YA178926/NC
Jul 25, 2023NCIII · Driver-only0JYMCO DEVELOPMENT INC 2469928YA178926/NC
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BROWE CONSTRUCTION COMPANY INC2508154May 20, 2026Jun 29, 20262NC
JYMCO CONSTRUCTION COMPANY INC4181460Mar 27, 2025Nov 12, 20255NC
JYMCO DEVELOPMENT INC2469928Jul 25, 2023Feb 13, 20245NC
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.
YA193933NC1BROWE CONSTRUCTION COMPANY INCMay 20, 2026Jun 29, 20262
YA178926NCJYMCO CONSTRUCTION COMPANY INCMar 27, 2025Nov 12, 20255
YA178926NCJYMCO DEVELOPMENT INCJul 25, 2023Feb 13, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026