Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T880

1NKZL40X5MJ456786 · Truck · INCOMPLETE VEHICLE
Carriers run under2
27 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJul 24, 2024
AL
Last seenOct 7, 2026
SC
Inspected under 2 different carriers in 27 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
1NKZL40X5MJ456786
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
Jul 26, 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
5 · valid

Deterministic · position 9; calculated value 5.

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
456786

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 · Jul 24, 2024 – Oct 7, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 7, 2026SCIII · Driver-only1—MORRIS & SONS HAULING LLC 3762263P920999/SC
Apr 24, 2025ALII · Walk-around2—JB AMMONS CONSTRUCTION 15214495A0H9B9/AL
Aug 20, 2024ALIII · Driver-only0—JB AMMONS CONSTRUCTION 15214495A05TCU/AL
Jul 24, 2024ALII · Walk-around2OOSJB AMMONS CONSTRUCTION 15214495A05TCU/AL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MORRIS & SONS HAULING LLC3762263Oct 7, 2026Oct 7, 20261SC
JB AMMONS CONSTRUCTION1521449Jul 24, 2024Apr 24, 20253AL
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.
P920999SC1MORRIS & SONS HAULING LLCOct 7, 2026 → Oct 7, 20261
5A0H9B9AL—JB AMMONS CONSTRUCTIONApr 24, 2025 → Apr 24, 20251
5A05TCUAL—JB AMMONS CONSTRUCTIONJul 24, 2024 → Aug 20, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026