Equipment unit · VIN-decoded · NHTSA vPIC

2025 Kenworth T280

2NK3HM6XXSM399926 · Truck · INCOMPLETE VEHICLE
Carriers run under1
1 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJun 15, 2026
MD
Last seenJul 30, 2026
DE
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
2NK3HM6XXSM399926
Make
Kenworth
Model
T280
Model year
2025
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 6: 19,501 - 26,000 lb (8,845 - 11,794 kg)
Decoded at
Aug 2, 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
2NK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
3HM6X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1995 or 2025

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

North American serial sequence
399926

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 · 586 decoded VINs at 100.0% prefix purity.

Model
T280

Prefix basis · 586 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
2025

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T280

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 6: 19,501 - 26,000 lb (8,845 - 11,794 kg)

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 · Jun 15, 2026 – Jul 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 30, 2026DEII · Walk-around0MAUMEE EXPRESS INC 389242AZ339N/NJ
Jul 21, 2026DEII · Walk-around0MAUMEE EXPRESS INC 389242AZ339N/NJ
Jun 17, 2026DEII · Walk-around0MAUMEE EXPRESS INC 389242AZ339N/NJ
Jun 15, 2026MDII · Walk-around3MAUMEE EXPRESS INC 389242AZ339N/NJ
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MAUMEE EXPRESS INC389242Jun 15, 2026Jul 30, 20264PA
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.
AZ339NNJ1MAUMEE EXPRESS INCJun 15, 2026Jul 30, 20264
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 2, 2026