Equipment unit · VIN-decoded · NHTSA vPIC

2001 Kenworth T600

1XKAD69X31J871941 · Truck-Tractor · TRUCK
Carriers run under3
22 mo
Inspections4
all-time
OOS inspections0
of 4
First seenSep 29, 2024
TX
Last seenJul 8, 2026
TX
Inspected under 3 different carriers in 22 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
1XKAD69X31J871941
Make
Kenworth
Model
T600
Model year
2001
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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AD69X

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
2001 or 2031

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

North American serial sequence
871941

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
2001

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 · Sep 29, 2024 – Jul 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 8, 2026TXII · Walk-around0O & E SMITHING LLC 43667911N66331/TX
Jun 19, 2026TXII · Walk-around3O & E SMITHING LLC 43667911N66331/TX
Nov 3, 2025TXII · Walk-around4ES EXPRESS LLC 35371901N66331/TX
Sep 29, 2024TXII · Walk-around6TOP NOTCH TRANSIT LLC 36017211N66331/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
O & E SMITHING LLC4366791Jun 19, 2026Jul 8, 20262TX
ES EXPRESS LLC3537190Nov 3, 2025Nov 3, 20251TX
TOP NOTCH TRANSIT LLC3601721Sep 29, 2024Sep 29, 20241TX
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.
1N66331TX1O & E SMITHING LLCJun 19, 2026Jul 8, 20262
1N66331TXES EXPRESS LLCNov 3, 2025Nov 3, 20251
1N66331TXTOP NOTCH TRANSIT LLCSep 29, 2024Sep 29, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 14, 2026