Equipment unit · VIN-decoded · NHTSA vPIC

2023 Kenworth T680

1XKYD49X4PJ257119 · Truck-Tractor · TRUCK
Carriers run under1
29 mo
Inspections13
all-time
OOS inspections2
of 13
First seenSep 15, 2023
MT
Last seenFeb 11, 2026
LA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKYD49X4PJ257119
Make
Kenworth
Model
T680
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 4, 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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
YD49X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
257119

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 · 43,483 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 43,483 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
T680

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

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 15, 2023 – Feb 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 11, 2026LAIII · Driver-only2UNUM INTERNATIONAL CONSULTING LLC 39237240090F1/MD
Nov 10, 2025TNIII · Driver-only0UNUM INTERNATIONAL CONSULTING LLC 39237240090F1/MD
Jun 20, 2025MSII · Walk-around0UNUM INTERNATIONAL CONSULTING LLC 39237240090F1/MD
May 28, 2025VAIII · Driver-only0UNUM INTERNATIONAL CONSULTING LLC 39237240090F1/MD
Apr 29, 2025ARIII · Driver-only0UNUM INTERNATIONAL CONSULTING LLC 39237240090F1/MD
Apr 6, 2025ILIII · Driver-only1UNUM INTERNATIONAL CONSULTING LLC 39237240090F1/MD
Feb 18, 2025CAI · Full1UNUM INTERNATIONAL CONSULTING LLC 39237240090F1/MD
Feb 4, 2025USII · Walk-around6OOSUNUM INTERNATIONAL CONSULTING LLC 39237240090F1/MD
Jan 31, 2025AZIII · Driver-only3UNUM INTERNATIONAL CONSULTING LLC 39237240090F1/MD
Nov 25, 2024NVIII · Driver-only1UNUM INTERNATIONAL CONSULTING LLC 39237240090F1/MD
May 12, 2024IAII · Walk-around4OOSUNUM INTERNATIONAL CONSULTING LLC 39237240090F1/MD
Feb 2, 2024LAII · Walk-around2UNUM INTERNATIONAL CONSULTING LLC 39237240090F1/MD
Sep 15, 2023MTII · Walk-around1UNUM INTERNATIONAL CONSULTING LLC 39237240090F1/MD
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNUM INTERNATIONAL CONSULTING LLC3923724Sep 15, 2023Feb 11, 202613MD
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.
0090F1MD1UNUM INTERNATIONAL CONSULTING LLCSep 15, 2023Feb 11, 202613
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 4, 2026