Equipment unit · VIN-decoded · NHTSA vPIC

1992 Kenworth T800

1NKDX4TX5NR121640 · Truck · INCOMPLETE VEHICLE
T800
Carriers run under1
14 mo
Inspections4
all-time
OOS inspections2
of 4
First seenMar 12, 2024
WA
Last seenMay 23, 2025
WA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKDX4TX5NR121640
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
5 · valid

Deterministic · position 9; calculated value 5.

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
121640

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 · Mar 12, 2024 – May 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 23, 2025WAII · Walk-around1BRUMFIELD CONSTRUCTION INC 633079D47857D/WA
Jan 2, 2025WAII · Walk-around2OOSBRUMFIELD CONSTRUCTION INC 633079D47857D/WA
Dec 6, 2024WAII · Walk-around2OOSBRUMFIELD CONSTRUCTION INC 633079D47857D/WA
Mar 12, 2024WAII · Walk-around1BRUMFIELD CONSTRUCTION INC 633079D47857D/WA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BRUMFIELD CONSTRUCTION INC633079Mar 12, 2024May 23, 20254WA
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.
D47857DWABRUMFIELD CONSTRUCTION INCMar 12, 2024May 23, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026