Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T880

1NKZX4TX6LJ428011 · Truck · INCOMPLETE VEHICLE
Carriers run under2
34 mo
Inspections5
all-time
OOS inspections1
of 5
First seenJul 19, 2023
AL
Last seenMay 4, 2026
AL
Inspected under 2 different carriers in 34 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
1NKZX4TX6LJ428011
Make
Kenworth
Model
T880
Model year
2020
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
ZX4TX

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

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
428011

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.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2020

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T880

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

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 19, 2023 – May 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 4, 2026ALIII · Driver-only0FROST TRUCKING LLC 315172233A0WYE/AL
Mar 4, 2026ALIII · Driver-only0FROST TRUCKING LLC 315172233A0WYE/AL
Sep 4, 2025ALII · Walk-around1OOSFROST TRUCKING LLC 315172233A0WYE/AL
Aug 28, 2025ALII · Walk-around1FROST TRUCKING LLC 315172233A0WYE/AL
Jul 19, 2023ALIII · Driver-only1SOUTHERN MUSIC AND GAMES 284634664A1M0P/AL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FROST TRUCKING LLC3151722Aug 28, 2025May 4, 20264AL
SOUTHERN MUSIC AND GAMES2846346Jul 19, 2023Jul 19, 20231AL
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.
33A0WYEALFROST TRUCKING LLCAug 28, 2025May 4, 20264
64A1M0PALSOUTHERN MUSIC AND GAMESJul 19, 2023Jul 19, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026