Equipment unit · VIN-decoded · NHTSA vPIC

2011 Kenworth T6 Series

1XKAD49X6BJ277043 · Truck-Tractor · TRUCK
T600
Carriers run under2
32 mo
Inspections11
all-time
OOS inspections5
of 11
First seenOct 27, 2023
US
Last seenJun 26, 2026
TX
Inspected under 2 different carriers in 32 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
1XKAD49X6BJ277043
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 19, 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
6 · valid

Deterministic · position 9; calculated value 6.

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
277043

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 · Oct 27, 2023 – Jun 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 26, 2026TXI · Full13OOSRAMON ARENAS OLVERA 168491714ER2N/MX
Aug 22, 2025TXII · Walk-around0RAMON ARENAS OLVERA 168491714ER2N/CI
Aug 14, 2025TXI · Full4OOSRAMON ARENAS OLVERA 168491714ER2N/MX
Jul 24, 2025TXII · Walk-around6RAMON ARENAS OLVERA 168491714ER2N/MX
Jul 17, 2025TXI · Full5RAMON ARENAS OLVERA 168491714ER2N/CI
Apr 8, 2025TXII · Walk-around3ANDRES CHAVEZ GARCIA 384221414ER2N/MX
Apr 26, 2024USI · Full6OOSRAMON ARENAS OLVERA 168491714ER2N/MX
Apr 24, 2024TXI · Full3OOSRAMON ARENAS OLVERA 168491714ER2N/CI
Jan 22, 2024TXII · Walk-around3RAMON ARENAS OLVERA 168491714ER2N/CI
Dec 27, 2023USI · Full8RAMON ARENAS OLVERA 168491714ER2N/MX
Oct 27, 2023USII · Walk-around1OOSRAMON ARENAS OLVERA 168491714ER2N/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RAMON ARENAS OLVERA1684917Oct 27, 2023Jun 26, 202610CI
ANDRES CHAVEZ GARCIA3842214Apr 8, 2025Apr 8, 20251CI
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.
14ER2NMX1RAMON ARENAS OLVERAOct 27, 2023Jun 26, 20266
14ER2NCIRAMON ARENAS OLVERAJan 22, 2024Aug 22, 20254
14ER2NMXANDRES CHAVEZ GARCIAApr 8, 2025Apr 8, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026