Equipment unit · VIN-decoded · NHTSA vPIC

2003 Kenworth T600

1XKADB9X63J708146 · Truck-Tractor · TRUCK
Carriers run under3
31 mo
Inspections11
all-time
OOS inspections3
of 11
First seenJun 29, 2023
TX
Last seenJan 6, 2026
TX
Inspected under 3 different carriers in 31 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
1XKADB9X63J708146
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 17, 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
6 · valid

Deterministic · position 9; calculated value 6.

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
708146

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 29, 2023 – Jan 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 6, 2026TXII · Walk-around44D CARRIERS LLC 4257262R760067/TX
Dec 15, 2025ARIII · Driver-only04D CARRIERS LLC 4257262R760067/TX
May 29, 2025ILII · Walk-around04D CARRIERS LLC 4257262R760067/TX
Apr 17, 2025TXII · Walk-around6OOS4D CARRIERS LLC 4257262R760067/TX
Feb 23, 2025ILIII · Driver-only04D CARRIERS LLC 4257262R760067/TX
Sep 5, 2024ILIII · Driver-only2OOSABEL CONCHAS 1569460R727583/TX
Aug 3, 2024TXIII · Driver-only1ABEL CONCHAS 1569460R727583/TX
Apr 17, 2024IAII · Walk-around5OOSABEL CONCHAS 1569460R727583/TX
Nov 6, 2023TXII · Walk-around3GTZTX LLC 2435996R344665/TX
Aug 10, 2023ILIII · Driver-only0GTZTX LLC 2435996R344665/TX
Jun 29, 2023TXIII · Driver-only0GTZTX LLC 2435996R344665/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
4D CARRIERS LLC4257262Feb 23, 2025Jan 6, 20265TX
ABEL CONCHAS1569460Apr 17, 2024Sep 5, 20243TX
GTZTX LLC2435996Jun 29, 2023Nov 6, 20233TX
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.
R760067TX4D CARRIERS LLCFeb 23, 2025Jan 6, 20265
R727583TXABEL CONCHASApr 17, 2024Sep 5, 20243
R344665TXGTZTX LLCJun 29, 2023Nov 6, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026