Equipment unit · VIN-decoded · NHTSA vPIC

2004 Kenworth T600

3WKAD09X04F615181 · Truck-Tractor · TRUCK
T600
Carriers run under1
20 mo
Inspections4
all-time
OOS inspections2
of 4
First seenNov 24, 2023
TX
Last seenJul 31, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKAD09X04F615181
Make
Kenworth
Model
T600
Model year
2004
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 14, 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
AD09X

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
2004 or 2034

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

North American serial sequence
615181

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 · 67 decoded VINs at 92.5% prefix purity.

Model
T6 Series

Prefix basis · 67 decoded VINs at 92.5% prefix purity.

Model line
T600

Sourced label · prefix basis 67 decoded VINs at 92.5% 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
2004

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T600

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 · Nov 24, 2023 – Jul 31, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 31, 2025TXI · Full22OOSROSALINDA DURAN LEON 244536534AT7N/MX
Jul 20, 2024TXIII · Driver-only1ROSALINDA DURAN LEON 244536534AT7N/TA
May 25, 2024TXII · Walk-around9OOSROSALINDA DURAN LEON 244536534AT7N/TA
Nov 24, 2023TXIII · Driver-only0ROSALINDA DURAN LEON 244536534AT7N/MX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROSALINDA DURAN LEON2445365Nov 24, 2023Jul 31, 20254GJ
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.
34AT7NMXROSALINDA DURAN LEONNov 24, 2023Jul 31, 20252
34AT7NTAROSALINDA DURAN LEONMay 25, 2024Jul 20, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 14, 2026