Equipment unit · VIN-decoded · NHTSA vPIC

1999 Kenworth T800

1NKDLU9X4XR790360 · Truck · INCOMPLETE VEHICLE
Carriers run under1
14 mo
Inspections8
all-time
OOS inspections6
of 8
First seenOct 2, 2024
TX
Last seenDec 11, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKDLU9X4XR790360
Make
Kenworth
Model
T800
Model year
1999
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
DLU9X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1999 or 2029

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

North American serial sequence
790360

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
1999

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

  • 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 · Oct 2, 2024 – Dec 11, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 11, 2025TXI · Full16OOSADRIAN ALVAREZ 41336601M51020/TX
Oct 22, 2025TXI · Full38OOSADRIAN ALVAREZ 41336601M51020/TX
Jul 1, 2025TXII · Walk-around21ADRIAN ALVAREZ 41336601M51020/TX
Jun 27, 2025TXI · Full19OOSADRIAN ALVAREZ 41336601M51020/TX
Jun 10, 2025TXII · Walk-around14ADRIAN ALVAREZ 41336601M51020/TX
Feb 7, 2025TXII · Walk-around4OOSADRIAN ALVAREZ 41336607237P43/TX
Nov 13, 2024TXII · Walk-around7OOSADRIAN ALVAREZ 41336601M51020/TX
Oct 2, 2024TXII · Walk-around15OOSADRIAN ALVAREZ 41336601M51020/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ADRIAN ALVAREZ4133660Oct 2, 2024Dec 11, 20258TX
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.
1M51020TXADRIAN ALVAREZOct 2, 2024Dec 11, 20257
7237P43TXADRIAN ALVAREZFeb 7, 2025Feb 7, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026