Equipment unit · VIN-decoded · NHTSA vPIC

2025 Kenworth T680

3WKYD49X4SF562858 · Truck-Tractor · TRUCK
Carriers run under1
14 mo
Inspections16
all-time
OOS inspections2
of 16
First seenMar 27, 2025
US
Last seenMay 27, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKYD49X4SF562858
Make
Kenworth
Model
T680
Model year
2025
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
YD49X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
562858

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 · 1,094 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 1,094 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
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 · Mar 27, 2025 – May 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 27, 2026TXI · Full4TRANSPORTES LARMEX SA DE CV 243635313BJ3B/CI
May 19, 2026TXI · Full4TRANSPORTES LARMEX SA DE CV 243635313BJ3B/DF
May 12, 2026NMIII · Driver-only1TRANSPORTES LARMEX SA DE CV 243635313BJ3B/MX
Feb 5, 2026TXI · Full11TRANSPORTES LARMEX SA DE CV 243635313BJ3B/MX
Feb 3, 2026TXI · Full5TRANSPORTES LARMEX SA DE CV 243635313BJ3B/DF
Jan 28, 2026TXI · Full4TRANSPORTES LARMEX SA DE CV 243635313BJ3B/MX
Nov 4, 2025TXII · Walk-around4OOSTRANSPORTES LARMEX SA DE CV 243635313BJ3B/MX
Oct 30, 2025NMIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635313BJ3B/CH
Oct 17, 2025NMIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635313BJ3B/MX
Oct 10, 2025NMIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635313BJ3B/MX
Aug 13, 2025NMIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635313BJ3B/MX
Aug 11, 2025USI · Full2TRANSPORTES LARMEX SA DE CV 243635313BJ3B/MX
Jun 10, 2025NMIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635313BJ3B/CH
Apr 30, 2025NMII · Walk-around0TRANSPORTES LARMEX SA DE CV 243635313BJ3B/CH
Apr 12, 2025TXI · Full5OOSTRANSPORTES LARMEX SA DE CV 243635313BJ3B/MX
Mar 27, 2025USI · Full0TRANSPORTES LARMEX SA DE CV 243635313BJ3B/MX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRANSPORTES LARMEX SA DE CV2436353Mar 27, 2025May 27, 202616NL
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.
13BJ3BCITRANSPORTES LARMEX SA DE CVMay 27, 2026May 27, 20261
13BJ3BDFTRANSPORTES LARMEX SA DE CVFeb 3, 2026May 19, 20262
13BJ3BMXTRANSPORTES LARMEX SA DE CVMar 27, 2025May 12, 202610
13BJ3BCHTRANSPORTES LARMEX SA DE CVApr 30, 2025Oct 30, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026