Equipment unit · VIN-decoded · NHTSA vPIC

2023 Kenworth T880

1NKZX4TX3PJ259376 · Truck · INCOMPLETE VEHICLE
Carriers run under1
32 mo
Inspections9
all-time
OOS inspections1
of 9
First seenDec 20, 2023
PA
Last seenAug 3, 2026
PA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKZX4TX3PJ259376
Make
Kenworth
Model
T880
Model year
2023
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1993 or 2023

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
259376

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
2023

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 · Dec 20, 2023 – Aug 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 3, 2026PAIII · Driver-only0MOUNTAIN ENERGY SERVICES INC 1889472AH57679/PA
Feb 10, 2026PAII · Walk-around0MOUNTAIN ENERGY SERVICES INC 1889472AH57679/PA
Dec 4, 2025PAII · Walk-around2MOUNTAIN ENERGY SERVICES INC 1889472AH57679/PA
May 3, 2025PAII · Walk-around0MOUNTAIN ENERGY SERVICES INC 1889472AH57679/PA
Jan 30, 2025PAIII · Driver-only0MOUNTAIN ENERGY SERVICES INC 1889472AH57679/PA
Jan 29, 2025PAIII · Driver-only0MOUNTAIN ENERGY SERVICES INC 1889472AH57679/PA
Jun 20, 2024PAIII · Driver-only2MOUNTAIN ENERGY SERVICES INC 1889472AH26739/PA
Jun 20, 2024PAIII · Driver-only2OOSMOUNTAIN ENERGY SERVICES INC 1889472AH26739/PA
Dec 20, 2023PAII · Walk-around0MOUNTAIN ENERGY SERVICES INC 1889472AH26739/PA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MOUNTAIN ENERGY SERVICES INC1889472Dec 20, 2023Aug 3, 20269PA
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.
AH57679PA1MOUNTAIN ENERGY SERVICES INCJan 29, 2025Aug 3, 20266
AH26739PAMOUNTAIN ENERGY SERVICES INCDec 20, 2023Jun 20, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026