Equipment unit · VIN-decoded · NHTSA vPIC

1NKDGGGG50J451457

Not yet decoded
T800
Carriers run under2
27 mo
Inspections2
all-time
OOS inspections0
of 2
First seenAug 14, 2023
IL
Last seenNov 10, 2025
IA
Inspected under 2 different carriers in 27 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
DGGGG

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
Not established

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

North American serial sequence
451457

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 · 286 decoded VINs at 99.3% prefix purity.

Model
T8 Series

Prefix basis · 286 decoded VINs at 99.3% prefix purity.

Model line
T800

Sourced label · prefix basis 286 decoded VINs at 99.3% 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.

Not established

  • model year
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 14, 2023 – Nov 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 10, 2025IAIII · Driver-only1HEARTLAND CO-OP 216132FR1622/IA
Aug 14, 2023ILIII · Driver-only0BARR-NUNN TRANSPORTATION LLC 261978FR1622/IA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HEARTLAND CO-OP216132Nov 10, 2025Nov 10, 20251IA
BARR-NUNN TRANSPORTATION LLC261978Aug 14, 2023Aug 14, 20231IA
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.
FR1622IAHEARTLAND CO-OPNov 10, 2025Nov 10, 20251
FR1622IABARR-NUNN TRANSPORTATION LLCAug 14, 2023Aug 14, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC