Equipment unit · VIN-decoded · NHTSA vPIC

2004 Kenworth T600

1XKADB9X04J056786 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections9
all-time
OOS inspections7
of 9
First seenJun 22, 2023
TX
Last seenApr 16, 2026
TX
Inspected under 2 different carriers in 34 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
1XKADB9X04J056786
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
Jun 20, 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
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
056786

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
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

  • 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 22, 2023 – Apr 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 16, 2026TXI · Full4OOSCARLOS V LANDEROS 19400671N40254/TX
Nov 18, 2025TXII · Walk-around4CARLOS V LANDEROS 19400671N40254/TX
Aug 12, 2025TXI · Full14OOSCARLOS V LANDEROS 19400671N40254/TX
Jul 18, 2025TXII · Walk-around2OOSJ GO 4 TRANSPORT LLC 41223301N40254/TX
Jul 18, 2025TXII · Walk-around3CARLOS V LANDEROS 19400671N40254/TX
Jul 3, 2025TXII · Walk-around5OOSCARLOS V LANDEROS 19400671N40254/TX
Mar 13, 2025TXII · Walk-around9OOSCARLOS V LANDEROS 19400671N40254/TX
Jun 26, 2024TXII · Walk-around21OOSCARLOS V LANDEROS 19400671L77950/TX
Jun 22, 2023TXII · Walk-around3OOSCARLOS V LANDEROS 19400671L77950/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CARLOS V LANDEROS1940067Jun 22, 2023Apr 16, 20268TX
J GO 4 TRANSPORT LLC4122330Jul 18, 2025Jul 18, 20251TX
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.
1N40254TXCARLOS V LANDEROSMar 13, 2025Apr 16, 20266
1N40254TXJ GO 4 TRANSPORT LLCJul 18, 2025Jul 18, 20251
1L77950TXCARLOS V LANDEROSJun 22, 2023Jun 26, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026