Equipment unit · VIN-decoded · NHTSA vPIC

2012 Kenworth T6 Series

3WKAD49X5CF303962 · Truck-Tractor · TRUCK
Carriers run under2
28 mo
Inspections5
all-time
OOS inspections2
of 5
First seenNov 13, 2023
CA
Last seenMar 10, 2026
CA
Inspected under 2 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
3WKAD49X5CF303962
Make
Kenworth
Model
T6 Series
Model year
2012
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 4, 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
AD49X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1982 or 2012

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

North American serial sequence
303962

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
2012

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 · Nov 13, 2023 – Mar 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 10, 2026CAIII · Driver-only3OOSJORGE LUIS GUTIERREZ MARDUENO 1206058
Feb 18, 2025CAII · Walk-around1IBT TRANSPORT LLC 2976349YP84860/CA
Sep 18, 2024CAI · Full0IBT TRANSPORT LLC 2976349YP84860/CA
Dec 1, 2023CAI · Full0IBT TRANSPORT LLC 2976349YP84860/CA
Nov 13, 2023CAI · Full2OOSIBT TRANSPORT LLC 2976349YP84860/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JORGE LUIS GUTIERREZ MARDUENO1206058Mar 10, 2026Mar 10, 20261CA
IBT TRANSPORT LLC2976349Nov 13, 2023Feb 18, 20254CA
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.
CAJORGE LUIS GUTIERREZ MARDUENOMar 10, 2026Mar 10, 20261
YP84860CAIBT TRANSPORT LLCNov 13, 2023Feb 18, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 4, 2026