Equipment unit · VIN-decoded · NHTSA vPIC

2014 Kenworth T6 Series

3WKAD40X9EF856503 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections9
all-time
OOS inspections5
of 9
First seenOct 11, 2023
TX
Last seenApr 20, 2026
TX
Inspected under 2 different carriers in 30 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
3WKAD40X9EF856503
Make
Kenworth
Model
T6 Series
Model year
2014
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
3WK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AD40X

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1984 or 2014

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

North American serial sequence
856503

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
2014

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Oct 11, 2023 – Apr 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 20, 2026TXII · Walk-around5OOSJOSE ANGEL GARZA ENRIQUEZ 335624074AU1D/MX
Jan 16, 2025TXIII · Driver-only5MIRIAM DEL CARMEN CAVAZOS ALMAGUER 335336174AU1D/MX
Dec 16, 2024TXI · Full3OOSMIRIAM DEL CARMEN CAVAZOS ALMAGUER 335336174AU1D/MX
Oct 23, 2024TXII · Walk-around8OOSMIRIAM DEL CARMEN CAVAZOS ALMAGUER 335336174AU1D/MX
Jun 17, 2024USI · Full6MIRIAM DEL CARMEN CAVAZOS ALMAGUER 335336174AU1D/MX
Mar 21, 2024TXIII · Driver-only6OOSMIRIAM DEL CARMEN CAVAZOS ALMAGUER 335336174AU1D/MX
Jan 9, 2024TXI · Full7OOSMIRIAM DEL CARMEN CAVAZOS ALMAGUER 335336174AU1D/MX
Dec 4, 2023TXI · Full11MIRIAM DEL CARMEN CAVAZOS ALMAGUER 335336174AU1D/MX
Oct 11, 2023TXI · Full7MIRIAM DEL CARMEN CAVAZOS ALMAGUER 335336174AU1D/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JOSE ANGEL GARZA ENRIQUEZ3356240Apr 20, 2026Apr 20, 20261TA
MIRIAM DEL CARMEN CAVAZOS ALMAGUER3353361Oct 11, 2023Jan 16, 20258NL
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.
74AU1DMXJOSE ANGEL GARZA ENRIQUEZApr 20, 2026Apr 20, 20261
74AU1DMXMIRIAM DEL CARMEN CAVAZOS ALMAGUEROct 11, 2023Jan 16, 20258
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026