Equipment unit · VIN-decoded · NHTSA vPIC

2003 Kenworth T600

1XKADB9X331386761 · Truck-Tractor · TRUCK
Carriers run under2
9 mo
Inspections6
all-time
OOS inspections2
of 6
First seenJun 23, 2023
IN
Last seenMar 28, 2024
OH
Inspected under 2 different carriers in 9 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
1XKADB9X331386761
Make
Kenworth
Model
T600
Model year
2003
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 24, 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
ADB9X

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
2003 or 2033

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

North American serial sequence
386761

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
2003

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

  • 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 · Jun 23, 2023 – Mar 28, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 28, 2024OHIII · Driver-only0BROWN BROZ INC 39277053043365/IN
Mar 18, 2024INII · Walk-around1BROWN BROZ INC 39277053043365/IN
Dec 16, 2023MTII · Walk-around3JOT BROTHERS INC 34954293043365/IN
Oct 17, 2023MTIII · Driver-only2OOSJOT BROTHERS INC 34954293043365/IN
Oct 16, 2023SDIII · Driver-only3OOSJOT BROTHERS INC 34954293043365/IN
Jun 23, 2023INI · Full2JOT BROTHERS INC 34954293043365/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BROWN BROZ INC3927705Mar 18, 2024Mar 28, 20242IN
JOT BROTHERS INC3495429Jun 23, 2023Dec 16, 20234IN
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.
3043365INBROWN BROZ INCMar 18, 2024Mar 28, 20242
3043365INJOT BROTHERS INCJun 23, 2023Dec 16, 20234
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026