Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T880

1NKZL40X0MJ468411 · Truck · INCOMPLETE VEHICLE
Carriers run under2
27 mo
Inspections5
all-time
OOS inspections0
of 5
First seenSep 25, 2023
PA
Last seenDec 18, 2025
PA
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
1NKZL40X0MJ468411
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
468411

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.

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
2021

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 · Sep 25, 2023 – Dec 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 18, 2025PAIII · Driver-only0FIESLER WEST RECYCLE INC 3725918ZWP2641/PA
Jul 15, 2025PAII · Walk-around0FIESLER WEST RECYCLE INC 3725918ZWP2641/PA
Jul 18, 2024PAIII · Driver-only0FIESLER WEST RECYCLE INC 3725918ZWP2641/PA
May 30, 2024PAII · Walk-around0FIESLER WEST RECYCLE INC 3725918ZWP2641/PA
Sep 25, 2023PAIII · Driver-only0ADVANCED CONTRACTING & CARTAGE INC 1749215AH12439/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FIESLER WEST RECYCLE INC3725918May 30, 2024Dec 18, 20254PA
ADVANCED CONTRACTING & CARTAGE INC1749215Sep 25, 2023Sep 25, 20231PA
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.
ZWP2641PAFIESLER WEST RECYCLE INCMay 30, 2024Dec 18, 20254
AH12439PAADVANCED CONTRACTING & CARTAGE INCSep 25, 2023Sep 25, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026