Equipment unit · VIN-decoded · NHTSA vPIC

2009 Kenworth T6 Series

3WKAD40X19F815319 · Truck-Tractor · TRUCK
Carriers run under2
17 mo
Inspections8
all-time
OOS inspections3
of 8
First seenNov 17, 2023
TX
Last seenApr 30, 2025
US
Inspected under 2 different carriers in 17 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
3WKAD40X19F815319
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
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
1 · valid

Deterministic · position 9; calculated value 1.

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
815319

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
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

  • 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 17, 2023 – Apr 30, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 30, 2025USI · Full15OOSMANUEL ALEJANDRO MARROQUIN GARZA 412384870AJ6R/MX
Apr 18, 2025TXIII · Driver-only1MANUEL ALEJANDRO MARROQUIN GARZA 412384870AJ6R/MX
Feb 20, 2025TXII · Walk-around3MANUEL ALEJANDRO MARROQUIN GARZA 412384870AJ6R/MX
Dec 19, 2024TXI · Full6OOSALEJANDRO MARROQUIN ELIZONDO 101509970AJ6R/MX
Nov 20, 2024TXII · Walk-around3ALEJANDRO MARROQUIN ELIZONDO 101509970AJ6R/MX
Mar 12, 2024TXI · Full7OOSALEJANDRO MARROQUIN ELIZONDO 101509970AJ6R/MX
Nov 24, 2023TXII · Walk-around6ALEJANDRO MARROQUIN ELIZONDO 101509970AJ6R/MX
Nov 17, 2023TXI · Full7ALEJANDRO MARROQUIN ELIZONDO 101509970AJ6R/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MANUEL ALEJANDRO MARROQUIN GARZA4123848Feb 20, 2025Apr 30, 20253TA
ALEJANDRO MARROQUIN ELIZONDO1015099Nov 17, 2023Dec 19, 20245TA
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.
70AJ6RMXMANUEL ALEJANDRO MARROQUIN GARZAFeb 20, 2025Apr 30, 20253
70AJ6RMXALEJANDRO MARROQUIN ELIZONDONov 17, 2023Dec 19, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026