Equipment unit · VIN-decoded · NHTSA vPIC

2025 Kenworth T680

3WKYD49X1SF562851 · Truck-Tractor · TRUCK
Carriers run under1
15 mo
Inspections11
all-time
OOS inspections1
of 11
First seenApr 4, 2025
TX
Last seenJul 31, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKYD49X1SF562851
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 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
3WK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
YD49X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
562851

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 · Apr 4, 2025 – Jul 31, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 31, 2026TXI · Full3TRANSPORTES LARMEX SA DE CV 243635302BF7V/MX
Jul 22, 2026TXI · Full2TRANSPORTES LARMEX SA DE CV 243635302BF7V/MX
Jun 29, 2026TXI · Full0TRANSPORTES LARMEX SA DE CV 243635302BF7V/MX
May 27, 2026TXI · Full0TRANSPORTES LARMEX SA DE CV 243635302BF7V/MX
Apr 12, 2026USIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635302BF7V/MX
Jan 21, 2026TXI · Full5OOSTRANSPORTES LARMEX SA DE CV 243635302BF7V/MX
Jan 7, 2026TXI · Full2TRANSPORTES LARMEX SA DE CV 243635302BF7V/MX
Dec 15, 2025USI · Full0TRANSPORTES LARMEX SA DE CV 24363532BF7V/TA
Dec 10, 2025USIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635302BF7V/MX
Jun 11, 2025TXIII · Driver-only1TRANSPORTES LARMEX SA DE CV 243635302BF7V/MX
Apr 4, 2025TXIII · Driver-only1TRANSPORTES LARMEX SA DE CV 243635302BF7V/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 CV2436353Apr 4, 2025Jul 31, 202611NL
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.
02BF7VMX1TRANSPORTES LARMEX SA DE CVApr 4, 2025Jul 31, 202610
2BF7VTATRANSPORTES LARMEX SA DE CVDec 15, 2025Dec 15, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026