Equipment unit · VIN-decoded · NHTSA vPIC

2015 Kenworth T6 Series

1XKAD49X1FJ443037 · Truck-Tractor · TRUCK
T600
Carriers run under5
24 mo
Inspections6
all-time
OOS inspections1
of 6
First seenJul 30, 2024
TX
Last seenJul 9, 2026
TX
Inspected under 5 different carriers in 24 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
1XKAD49X1FJ443037
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 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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AD49X

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
443037

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 30, 2024 – Jul 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 9, 2026TXII · Walk-around3USM GLOBAL LLC 4338638R818834/TX
Mar 10, 2026TXII · Walk-around10OOSAD ASTRA EXPRESS 4218831R818834/TX
Apr 29, 2025TXII · Walk-around2SVAN LOGISTICS LLC 4188553PWZ4912/OH
Apr 14, 2025COIII · Driver-only2STAR LINE HOLDINGS LLC 4254956PWZ4912/OH
Jan 7, 2025TXII · Walk-around0TEX SAND TRANSPORT LLC 3020065R618385/TX
Jul 30, 2024TXII · Walk-around2TEX SAND TRANSPORT LLC 3020065R618385/TX
03

Carriers this unit has run under

5 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
USM GLOBAL LLC4338638Jul 9, 2026Jul 9, 20261OH
AD ASTRA EXPRESS4218831Mar 10, 2026Mar 10, 20261IL
SVAN LOGISTICS LLC4188553Apr 29, 2025Apr 29, 20251OH
STAR LINE HOLDINGS LLC4254956Apr 14, 2025Apr 14, 20251OH
TEX SAND TRANSPORT LLC3020065Jul 30, 2024Jan 7, 20252TX
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.
R818834TX1USM GLOBAL LLCJul 9, 2026Jul 9, 20261
R818834TXAD ASTRA EXPRESSMar 10, 2026Mar 10, 20261
PWZ4912OHSVAN LOGISTICS LLCApr 29, 2025Apr 29, 20251
PWZ4912OHSTAR LINE HOLDINGS LLCApr 14, 2025Apr 14, 20251
R618385TXTEX SAND TRANSPORT LLCJul 30, 2024Jan 7, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026