Equipment unit · VIN-decoded · NHTSA vPIC

1NKZX4EX3MJ448652

Not yet decoded
Carriers run under1
19 mo
Inspections2
all-time
OOS inspections0
of 2
First seenDec 6, 2023
MT
Last seenJul 24, 2025
MT
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
ZX4EX

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1991 or 2021

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

North American serial sequence
448652

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 · 691 decoded VINs at 100.0% prefix purity.

Model
T880

Prefix basis · 691 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 · Dec 6, 2023 – Jul 24, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 24, 2025MTIII · Driver-only0UNITED MATERIALS OF GREAT FALLS INC 114183127807B/MT
Dec 6, 2023MTI · Full1UNITED MATERIALS OF GREAT FALLS INC 1141831278078B/MT
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNITED MATERIALS OF GREAT FALLS INC1141831Dec 6, 2023Jul 24, 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.
27807BMTUNITED MATERIALS OF GREAT FALLS INCJul 24, 2025Jul 24, 20251
278078BMTUNITED MATERIALS OF GREAT FALLS INCDec 6, 2023Dec 6, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC