Equipment unit · VIN-decoded · NHTSA vPIC

1NKZX4EX1PJ311049

Not yet decoded
Carriers run under2
26 mo
Inspections2
all-time
OOS inspections0
of 2
First seenNov 27, 2023
NY
Last seenJan 14, 2026
MA
Inspected under 2 different carriers in 26 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
ZX4EX

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
311049

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 · Nov 27, 2023 – Jan 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 14, 2026MAIII · Driver-only0NORTHERN TREE SERVICE LLC 2955461AE17G/MA
Nov 27, 2023NYII · Walk-around2BLUROC LLC 30412861AE17G/MA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NORTHERN TREE SERVICE LLC295546Jan 14, 2026Jan 14, 20261MA
BLUROC LLC3041286Nov 27, 2023Nov 27, 20231MA
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.
1AE17GMANORTHERN TREE SERVICE LLCJan 14, 2026Jan 14, 20261
1AE17GMABLUROC LLCNov 27, 2023Nov 27, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC