Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

3WKYD40X2MF517384 · Truck-Tractor · TRUCK
Carriers run under1
37 mo
Inspections15
all-time
OOS inspections6
of 15
First seenJul 25, 2023
TX
Last seenAug 1, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKYD40X2MF517384
Make
Kenworth
Model
T680
Model year
2021
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 16, 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
3WK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
YD40X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

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
517384

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 · 749 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 749 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
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 · Jul 25, 2023 – Aug 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 1, 2026TXII · Walk-around3MARIANO PAEZ ROMERO 286829778AS3B/VC
Jul 29, 2026TXII · Walk-around7OOSMARIANO PAEZ ROMERO 286829778AS3B/VC
Feb 6, 2026USI · Full11OOSMARIANO PAEZ ROMERO 286829778AS3B/MX
Nov 17, 2025TXI · Full13OOSMARIANO PAEZ ROMERO 286829778AS3B/MX
Sep 10, 2025TXIII · Driver-only0MARIANO PAEZ ROMERO 286829778AS3B/MX
Jun 16, 2025USI · Full7OOSMARIANO PAEZ ROMERO 286829778AS3B/MX
Oct 3, 2024TXII · Walk-around7OOSMARIANO PAEZ ROMERO 286829778AS3B/MX
Sep 30, 2024USI · Full3MARIANO PAEZ ROMERO 286829778AS3B/MX
May 24, 2024TXII · Walk-around3MARIANO PAEZ ROMERO 286829778AS3B/MX
Jan 15, 2024TXIII · Driver-only1MARIANO PAEZ ROMERO 286829778AS3B/MX
Jan 12, 2024TXIII · Driver-only1MARIANO PAEZ ROMERO 286829778AS3B/MX
Jan 6, 2024TXII · Walk-around8OOSMARIANO PAEZ ROMERO 286829778AS3B/MX
Dec 2, 2023TXIII · Driver-only1MARIANO PAEZ ROMERO 286829778AS3B/MX
Nov 27, 2023TXI · Full4MARIANO PAEZ ROMERO 286829778AS3B/MX
Jul 25, 2023TXI · Full3MARIANO PAEZ ROMERO 286829778AS3B/MX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARIANO PAEZ ROMERO2868297Jul 25, 2023Aug 1, 202615PU
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.
78AS3BVC1MARIANO PAEZ ROMEROJul 29, 2026Aug 1, 20262
78AS3BMXMARIANO PAEZ ROMEROJul 25, 2023Feb 6, 202613
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026