Equipment unit · VIN-decoded · NHTSA vPIC

1XKAD49X18J236912

Not yet decoded
T600
Carriers run under2
31 mo
Inspections2
all-time
OOS inspections1
of 2
First seenSep 27, 2023
FL
Last seenApr 7, 2026
TX
Inspected under 2 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
AD49X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
2008 or 2038

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

North American serial sequence
236912

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 · 5,142 decoded VINs at 90.1% prefix purity.

Model
T6 Series

Prefix basis · 5,142 decoded VINs at 90.1% prefix purity.

Model line
T600

Sourced label · prefix basis 5,142 decoded VINs at 90.1% 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.

Not established

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Sep 27, 2023 – Apr 7, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 7, 2026TXI · Full9OOSZ BOYS TRANSPORT LLC 4478911NONE/UK
Sep 27, 2023FLII · Walk-around1ROUNTREE TRANSPORT & RIGGING INC 12358558DBFP/FL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
Z BOYS TRANSPORT LLC4478911Apr 7, 2026Apr 7, 20261TX
ROUNTREE TRANSPORT & RIGGING INC123585Sep 27, 2023Sep 27, 20231FL
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.
NONEUKZ BOYS TRANSPORT LLCApr 7, 2026Apr 7, 20261
58DBFPFLROUNTREE TRANSPORT & RIGGING INCSep 27, 2023Sep 27, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC