Equipment unit · VIN-decoded · NHTSA vPIC

1999 Kenworth T800

1NKDLB9X5XR828733 · Truck · INCOMPLETE VEHICLE
Carriers run under2
22 mo
Inspections3
all-time
OOS inspections0
of 3
First seenOct 29, 2024
MT
Last seenAug 12, 2026
MT
Inspected under 2 different carriers in 22 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
1NKDLB9X5XR828733
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
Aug 23, 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
DLB9X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

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
828733

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 29, 2024 – Aug 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 12, 2026MTIII · Driver-only2TK TROUT INC 4401921SA11544/MT
Feb 6, 2025MTIII · Driver-only0MIDNIGHT OIL INC 1459054775678E/MT
Oct 29, 2024MTI · Full1MIDNIGHT OIL INC 1459054742739C/MT
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TK TROUT INC4401921Aug 12, 2026Aug 12, 20261MT
MIDNIGHT OIL INC1459054Oct 29, 2024Feb 6, 20252MT
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.
SA11544MT1TK TROUT INCAug 12, 2026Aug 12, 20261
775678EMTMIDNIGHT OIL INCFeb 6, 2025Feb 6, 20251
742739CMTMIDNIGHT OIL INCOct 29, 2024Oct 29, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 23, 2026