Equipment unit · VIN-decoded · NHTSA vPIC

1NKZX4TX5PJ238951

Not yet decoded
Carriers run under2
17 mo
Inspections2
all-time
OOS inspections0
of 2
First seenOct 25, 2023
AZ
Last seenMar 25, 2025
AZ
Inspected under 2 different carriers in 17 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
ZX4TX

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1993 or 2023

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

North American serial sequence
238951

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 · 2,638 decoded VINs at 100.0% prefix purity.

Model
T880

Prefix basis · 2,638 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

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 line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Oct 25, 2023 – Mar 25, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 25, 2025AZII · Walk-around1EWING IRRIGATION PRODUCTS INC 639892S7A70T/AZ
Oct 25, 2023AZII · Walk-around0SLATE ROCK AND GRAVEL LLC 3448216YSA5ZM/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
EWING IRRIGATION PRODUCTS INC639892Mar 25, 2025Mar 25, 20251AZ
SLATE ROCK AND GRAVEL LLC3448216Oct 25, 2023Oct 25, 20231AZ
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.
S7A70TAZEWING IRRIGATION PRODUCTS INCMar 25, 2025Mar 25, 20251
YSA5ZMAZSLATE ROCK AND GRAVEL LLCOct 25, 2023Oct 25, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC