Equipment unit · VIN-decoded · NHTSA vPIC

2009 Kenworth T6 Series

1XKAD49X49J254127 · Truck-Tractor · TRUCK
T600
Carriers run under3
28 mo
Inspections4
all-time
OOS inspections0
of 4
First seenAug 7, 2023
NM
Last seenDec 15, 2025
NM
Inspected under 3 different carriers in 28 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
1XKAD49X49J254127
Make
Kenworth
Model
T6 Series
Model year
2009
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 10, 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
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
2009 or 2039

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

North American serial sequence
254127

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
2009

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 · Aug 7, 2023 – Dec 15, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 15, 2025NMII · Walk-around1RAMON ANTONIO LOPEZ COSS 4466738DU5487A/MX
Aug 7, 2025USI · Full3ALEJANDRO ALVAREZ RAMOS 3949995DU5487A/MX
Jul 22, 2025COIII · Driver-only1GERARDO LOEWEN NEUFELD 3065747DU5487A/CI
Aug 7, 2023NMII · Walk-around0GERARDO LOEWEN NEUFELD 3065747DU5487A/MX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RAMON ANTONIO LOPEZ COSS4466738Dec 15, 2025Dec 15, 20251CI
ALEJANDRO ALVAREZ RAMOS3949995Aug 7, 2025Aug 7, 20251CI
GERARDO LOEWEN NEUFELD3065747Aug 7, 2023Jul 22, 20252CI
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.
DU5487AMXRAMON ANTONIO LOPEZ COSSDec 15, 2025Dec 15, 20251
DU5487AMXALEJANDRO ALVAREZ RAMOSAug 7, 2025Aug 7, 20251
DU5487ACIGERARDO LOEWEN NEUFELDJul 22, 2025Jul 22, 20251
DU5487AMXGERARDO LOEWEN NEUFELDAug 7, 2023Aug 7, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 10, 2026