Equipment unit · VIN-decoded · NHTSA vPIC

1992 Kenworth T800

1NKDX4TX1NR470231 · Truck · INCOMPLETE VEHICLE
T800
Carriers run under2
29 mo
Inspections4
all-time
OOS inspections0
of 4
First seenDec 19, 2023
PA
Last seenMay 19, 2026
NC
Inspected under 2 different carriers in 29 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
1NKDX4TX1NR470231
Make
Kenworth
Model
T800
Model year
1992
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 6, 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
DX4TX

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1992 or 2022

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

North American serial sequence
470231

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 · 453 decoded VINs at 95.8% prefix purity.

Model
T8 Series

Prefix basis · 453 decoded VINs at 95.8% prefix purity.

Model line
T800

Sourced label · prefix basis 453 decoded VINs at 95.8% 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
1992

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T800

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 · Dec 19, 2023 – May 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 19, 2026NCI · Full0GULF AND BAY DREDGING LLC 3985696Y9013M/WI
Mar 11, 2025MDI · Full0KBS INC 246079AH13366/PA
Apr 9, 2024MDI · Full0KBS INC 246079AH13366/PA
Dec 19, 2023PAIII · Driver-only0KBS INC 246079AH13366/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GULF AND BAY DREDGING LLC3985696May 19, 2026May 19, 20261FL
KBS INC246079Dec 19, 2023Mar 11, 20253PA
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.
Y9013MWIGULF AND BAY DREDGING LLCMay 19, 2026May 19, 20261
AH13366PAKBS INCDec 19, 2023Mar 11, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026