Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T880

1NKZX4TX6LJ290261 · Truck · INCOMPLETE VEHICLE
Carriers run under2
34 mo
Inspections5
all-time
OOS inspections2
of 5
First seenOct 4, 2023
PA
Last seenAug 26, 2026
PA
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
1NKZX4TX6LJ290261
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
Jul 6, 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
290261

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 · Oct 4, 2023 – Aug 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 26, 2026PAII · Walk-around5OOSCASELLA MID ATLANTIC LLC 4083116ZZE4339/PA
Feb 13, 2026PAII · Walk-around4OOSCASELLA MID ATLANTIC LLC 4083116ZZE4339/PA
Nov 26, 2024PAI · Full1XS WASTE TRANSPORT INC 2107309ZMK1662/PA
Aug 7, 2024PAII · Walk-around0XS WASTE TRANSPORT INC 2107309ZMK1662/PA
Oct 4, 2023PAIII · Driver-only1XS WASTE TRANSPORT INC 2107309ZMK1662/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CASELLA MID ATLANTIC LLC4083116Feb 13, 2026Aug 26, 20262WV
XS WASTE TRANSPORT INC2107309Oct 4, 2023Nov 26, 20243PA
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.
ZZE4339PA1CASELLA MID ATLANTIC LLCFeb 13, 2026Aug 26, 20262
ZMK1662PAXS WASTE TRANSPORT INCOct 4, 2023Nov 26, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026