Equipment unit · VIN-decoded · NHTSA vPIC

2014 Kenworth T4 Series

1NKBLJ0XXEJ389006 · Truck · INCOMPLETE VEHICLE
Carriers run under2
19 mo
Inspections4
all-time
OOS inspections3
of 4
First seenSep 30, 2023
TX
Last seenApr 8, 2025
TX
Inspected under 2 different carriers in 19 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
1NKBLJ0XXEJ389006
Make
Kenworth
Model
T4 Series
Model year
2014
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 6, 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
BLJ0X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1984 or 2014

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

North American serial sequence
389006

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 · 68 decoded VINs at 100.0% prefix purity.

Model
T4 Series

Prefix basis · 68 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
2014

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 · Sep 30, 2023 – Apr 8, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 8, 2025TXII · Walk-around4OOSCENTRAL TEXAS ROCK HAULERS LLC 4002778MNG1424/TX
Feb 27, 2025TXI · Full0HAUL BROOKE INC 1984554MNG1424/TX
Mar 25, 2024TXII · Walk-around3OOSHAUL BROOKE INC 1984554MNG1424/TX
Sep 30, 2023TXII · Walk-around2OOSHAUL BROOKE INC 1984554MNG1424/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CENTRAL TEXAS ROCK HAULERS LLC4002778Apr 8, 2025Apr 8, 20251TX
HAUL BROOKE INC1984554Sep 30, 2023Feb 27, 20253TX
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.
MNG1424TXCENTRAL TEXAS ROCK HAULERS LLCApr 8, 2025Apr 8, 20251
MNG1424TXHAUL BROOKE INCSep 30, 2023Feb 27, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026