Equipment unit · VIN-decoded · NHTSA vPIC

2011 Kenworth T6 Series

1XKAD49X3BJ277940 · Truck-Tractor · TRUCK
T600
Carriers run under2
15 mo
Inspections6
all-time
OOS inspections2
of 6
First seenAug 14, 2023
CA
Last seenNov 13, 2024
MT
Inspected under 2 different carriers in 15 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
1XKAD49X3BJ277940
Make
Kenworth
Model
T6 Series
Model year
2011
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 24, 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
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1981 or 2011

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

North American serial sequence
277940

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
2011

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 14, 2023 – Nov 13, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 13, 2024MTII · Walk-around0ERIK ALEJANDRO MARTINEZ 3431739R753651/TX
Jul 19, 2024CAV · Vehicle-only1EFRAIN HERNANDEZ-GARCIA 3185401YP63070/CA
Mar 5, 2024AZIII · Driver-only1EFRAIN HERNANDEZ-GARCIA 3185401YP63070/CA
Jan 20, 2024CAV · Vehicle-only1EFRAIN HERNANDEZ-GARCIA 3185401YP63070/CA
Sep 18, 2023CAV · Vehicle-only4OOSEFRAIN HERNANDEZ-GARCIA 3185401YP63070/CA
Aug 14, 2023CAII · Walk-around4OOSEFRAIN HERNANDEZ-GARCIA 3185401YP63070/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ERIK ALEJANDRO MARTINEZ3431739Nov 13, 2024Nov 13, 20241TX
EFRAIN HERNANDEZ-GARCIA3185401Aug 14, 2023Jul 19, 20245CA
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.
R753651TXERIK ALEJANDRO MARTINEZNov 13, 2024Nov 13, 20241
YP63070CAEFRAIN HERNANDEZ-GARCIAAug 14, 2023Jul 19, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026