Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T880

1NKZL40X0MJ456789 · Truck · INCOMPLETE VEHICLE
Carriers run under2
28 mo
Inspections5
all-time
OOS inspections0
of 5
First seenSep 14, 2023
AL
Last seenJan 30, 2026
AL
Inspected under 2 different carriers in 28 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

VIN
1NKZL40X0MJ456789
Make
Kenworth
Model
T880
Model year
2021
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
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
ZL40X

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

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
456789

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 · 968 decoded VINs at 100.0% prefix purity.

Model
T880

Prefix basis · 968 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 · Sep 14, 2023 – Jan 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 30, 2026ALIII · Driver-only0—PMTT INC 158782764C08N9/AL
Sep 17, 2025ALIII · Driver-only0—PMTT INC 158782764C08N9/AL
Sep 27, 2024ALIII · Driver-only0—JB AMMONS CONSTRUCTION 15214495A0HAWX/AL
Mar 7, 2024ALII · Walk-around1—JB AMMONS CONSTRUCTION 15214495A0HAWX/AL
Sep 14, 2023ALII · Walk-around0—JB AMMONS CONSTRUCTION 15214495A05TCP/AL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PMTT INC1587827Sep 17, 2025Jan 30, 20262AL
JB AMMONS CONSTRUCTION1521449Sep 14, 2023Sep 27, 20243AL
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.
64C08N9AL—PMTT INCSep 17, 2025 → Jan 30, 20262
5A0HAWXAL—JB AMMONS CONSTRUCTIONMar 7, 2024 → Sep 27, 20242
5A05TCPAL—JB AMMONS CONSTRUCTIONSep 14, 2023 → Sep 14, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026