Equipment unit · VIN-decoded · NHTSA vPIC

2019 Kenworth T8 Series

1NKDXPTX6KR255408 · Truck · INCOMPLETE VEHICLE
T800
Carriers run under1
24 mo
Inspections7
all-time
OOS inspections0
of 7
First seenSep 25, 2023
AL
Last seenSep 18, 2025
AL
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKDXPTX6KR255408
Make
Kenworth
Model
T8 Series
Model year
2019
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
1NK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DXPTX

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1989 or 2019

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

North American serial sequence
255408

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 · 81 decoded VINs at 100.0% prefix purity.

Model
T8 Series

Prefix basis · 81 decoded VINs at 100.0% prefix purity.

Model line
T800

Sourced label · prefix basis 81 decoded VINs at 100.0% 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.

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
2019

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T8 Series

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Sep 25, 2023 – Sep 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 18, 2025ALII · Walk-around0SMYRNA READY MIX CONCRETE LLC 1738904M7771HY/TN
Jul 10, 2025ALIII · Driver-only0SMYRNA READY MIX CONCRETE LLC 1738904M7771HY/TN
May 12, 2025ALIII · Driver-only0SMYRNA READY MIX CONCRETE LLC 1738904M7771HY/TN
Apr 3, 2025ALII · Walk-around0SMYRNA READY MIX CONCRETE LLC 1738904M7771HY/TN
Oct 11, 2024ALII · Walk-around0SMYRNA READY MIX CONCRETE LLC 1738904M7771HY/TN
Jan 5, 2024ALII · Walk-around0SMYRNA READY MIX CONCRETE LLC 1738904M7771HY/TN
Sep 25, 2023ALIII · Driver-only0SMYRNA READY MIX CONCRETE LLC 1738904M7771HY/TN
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SMYRNA READY MIX CONCRETE LLC1738904Sep 25, 2023Sep 18, 20257TN
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.
M7771HYTNSMYRNA READY MIX CONCRETE LLCSep 25, 2023Sep 18, 20257
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026