Equipment unit · VIN-decoded · NHTSA vPIC

2015 Kenworth T6 Series

1XKAD49XXFJ421988 · Truck-Tractor · TRUCK
T600
Carriers run under2
27 mo
Inspections8
all-time
OOS inspections2
of 8
First seenJul 4, 2023
AR
Last seenOct 2, 2025
TX
Inspected under 2 different carriers in 27 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
1XKAD49XXFJ421988
Make
Kenworth
Model
T6 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 21, 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
AD49X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

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
421988

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 · 5,142 decoded VINs at 90.1% prefix purity.

Model
T6 Series

Prefix basis · 5,142 decoded VINs at 90.1% prefix purity.

Model line
T600

Sourced label · prefix basis 5,142 decoded VINs at 90.1% 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
T6 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 · Jul 4, 2023 – Oct 2, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 2, 2025TXII · Walk-around1THE L & W TRANSPORT GROUP LLC 36659031N78784/TX
Aug 15, 2025TXII · Walk-around1THE L & W TRANSPORT GROUP LLC 36659031N78784/TX
Mar 31, 2025TXII · Walk-around0THE L & W TRANSPORT GROUP LLC 36659031N78784/TX
Sep 3, 2024TNI · Full2OOSAR TRANSPORTATION SERVICES LLC 3559321R622142/TX
Mar 24, 2024TXII · Walk-around0AR TRANSPORTATION SERVICES LLC 3559321R622142/TX
Feb 19, 2024KYII · Walk-around3OOSAR TRANSPORTATION SERVICES LLC 3559321R622142/TX
Dec 5, 2023TXI · Full2AR TRANSPORTATION SERVICES LLC 3559321R622142/TX
Jul 4, 2023ARIII · Driver-only0AR TRANSPORTATION SERVICES LLC 3559321R622142/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
THE L & W TRANSPORT GROUP LLC3665903Mar 31, 2025Oct 2, 20253MI
AR TRANSPORTATION SERVICES LLC3559321Jul 4, 2023Sep 3, 20245TX
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.
1N78784TXTHE L & W TRANSPORT GROUP LLCMar 31, 2025Oct 2, 20253
R622142TXAR TRANSPORTATION SERVICES LLCJul 4, 2023Sep 3, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026