Equipment unit · VIN-decoded · NHTSA vPIC

1NKZX4TX7L1421200

Not yet decoded
Carriers run under1
21 mo
Inspections2
all-time
OOS inspections0
of 2
First seenApr 17, 2024
ND
Last seenJan 28, 2026
ND
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
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1990 or 2020

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

North American serial sequence
421200

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 · Apr 17, 2024 – Jan 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 28, 2026NDIII · Driver-only0SM FENCING & ENERGY SERVICES INC 2347978Z085975/UT
Apr 17, 2024NDIII · Driver-only3SM FENCING & ENERGY SERVICES INC 2347978Z085975/UT
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SM FENCING & ENERGY SERVICES INC2347978Apr 17, 2024Jan 28, 20262ND
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.
Z085975UTSM FENCING & ENERGY SERVICES INCApr 17, 2024Jan 28, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC