Equipment unit · VIN-decoded · NHTSA vPIC

1NKDL40X1FJ451176

Not yet decoded
T800
Carriers run under2
6 mo
Inspections2
all-time
OOS inspections1
of 2
First seenMay 10, 2024
TX
Last seenNov 21, 2024
OK
Inspected under 2 different carriers in 6 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
1NK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DL40X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1985 or 2015

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

North American serial sequence
451176

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 · 469 decoded VINs at 92.1% prefix purity.

Model
T8 Series

Prefix basis · 469 decoded VINs at 92.1% prefix purity.

Model line
T800

Sourced label · prefix basis 469 decoded VINs at 92.1% 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 · May 10, 2024 – Nov 21, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 21, 2024OKIII · Driver-only0S & W TRANSPORTS INC 78151166C151/OK
May 10, 2024TXII · Walk-around1OOSTIERRA LEASE SERVICE LLC 1471812FFW8234/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
S & W TRANSPORTS INC781511Nov 21, 2024Nov 21, 20241OK
TIERRA LEASE SERVICE LLC1471812May 10, 2024May 10, 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.
66C151OKS & W TRANSPORTS INCNov 21, 2024Nov 21, 20241
FFW8234TXTIERRA LEASE SERVICE LLCMay 10, 2024May 10, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC