Equipment unit · VIN-decoded · NHTSA vPIC

2025 Kenworth T680

3WKYD49X6SF562862 · Truck-Tractor · TRUCK
Carriers run under2
16 mo
Inspections38
all-time
OOS inspections4
of 38
First seenMar 18, 2025
US
Last seenJul 29, 2026
TX
Inspected under 2 different carriers in 16 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKYD49X6SF562862
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
6 · valid

Deterministic · position 9; calculated value 6.

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
562862

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 18, 2025 – Jul 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 29, 2026TXI · Full1TRANSPORTES LARMEX SA DE CV 243635337BJ3B/DF
Jul 24, 2026TXI · Full2TRANSPORTES LARMEX SA DE CV 243635337BJ3B/MX
Jul 22, 2026TXI · Full8OOSTRANSPORTES LARMEX SA DE CV 243635337BJ3B/CI
Jun 26, 2026TXI · Full0TRANSPORTES LARMEX SA DE CV 243635337BJ3B/CI
Jun 22, 2026TXI · Full5TRANSPORTES LARMEX SA DE CV 243635337BJ3B/CI
May 29, 2026TXI · Full1TRANSPORTES LARMEX SA DE CV 243635337BJ3B/CI
May 28, 2026TXI · Full3TRANSPORTES LARMEX SA DE CV 243635337BJ3B/CI
May 15, 2026TXI · Full3TRANSPORTES LARMEX SA DE CV 243635337BJ3B/CI
May 7, 2026NMIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635337BJ3B/CH
May 1, 2026TXI · Full2TRANSPORTES LARMEX SA DE CV 243635337BJ3B/DF
Apr 22, 2026NMII · Walk-around1TRANSPORTES LARMEX SA DE CV 243635337BJ3B/MX
Apr 21, 2026TXI · Full3TRANSPORTES LARMEX SA DE CV 243635337BJ3B/MX
Apr 15, 2026NMIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635337BJ3B/MX
Apr 10, 2026TXI · Full2PATRICIA ROBLES LOZOYA 81138537BJ3B/CI
Apr 9, 2026NMIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635337BJ3B/MX
Apr 7, 2026NMIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635337BJ3B/MX
Apr 2, 2026NMIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635337BJ3B/MX
Mar 27, 2026NMIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635337BJ3B/MX
Mar 25, 2026TXI · Full3OOSTRANSPORTES LARMEX SA DE CV 243635337BJ3B/CI
Mar 20, 2026NMIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635337BJ3B/CH
Dec 20, 2025TXI · Full2TRANSPORTES LARMEX SA DE CV 243635337BJ3B/CI
Dec 19, 2025TXIII · Driver-only3TRANSPORTES LARMEX SA DE CV 243635337BJ3B/DF
Dec 12, 2025TXI · Full0TRANSPORTES LARMEX SA DE CV 243635337BJ3B/DF
Nov 24, 2025USIII · Driver-only1TRANSPORTES LARMEX SA DE CV 243635337BJ3B/CI
Oct 7, 2025TXI · Full5OOSTRANSPORTES LARMEX SA DE CV 243635337BJ3B/MX
Sep 15, 2025NMIII · Driver-only1TRANSPORTES LARMEX SA DE CV 243635337BJ3B/MX
Sep 10, 2025USI · Full1TRANSPORTES LARMEX SA DE CV 243635337BJ3B/CI
Aug 23, 2025TXI · Full4TRANSPORTES LARMEX SA DE CV 243635337BJ3B/DF
Jul 26, 2025TXI · Full5TRANSPORTES LARMEX SA DE CV 243635337BJ3B/CI
Jul 23, 2025TXI · Full5TRANSPORTES LARMEX SA DE CV 243635337BJ3B/DF
Jul 21, 2025NMIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635337BJ3B/MX
Jun 24, 2025NMIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635337BJ3B/MX
Jun 10, 2025NMIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635337BJ3B/CH
Jun 6, 2025TXI · Full3OOSTRANSPORTES LARMEX SA DE CV 243635337BJ3B/CI
May 22, 2025NMIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635337BJ3B/CH
May 20, 2025TXI · Full2TRANSPORTES LARMEX SA DE CV 243635337BJ3B/CI
Apr 4, 2025TXI · Full1TRANSPORTES LARMEX SA DE CV 243635337BJ3B/DF
Mar 18, 2025USI · Full0TRANSPORTES LARMEX SA DE CV 243635337BJ3B/CI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRANSPORTES LARMEX SA DE CV2436353Mar 18, 2025Jul 29, 202637NL
PATRICIA ROBLES LOZOYA811385Apr 10, 2026Apr 10, 20261CI
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.
37BJ3BDF1TRANSPORTES LARMEX SA DE CVApr 4, 2025Jul 29, 20267
37BJ3BMX1TRANSPORTES LARMEX SA DE CVJun 24, 2025Jul 24, 202612
37BJ3BCI1TRANSPORTES LARMEX SA DE CVMar 18, 2025Jul 22, 202614
37BJ3BCHTRANSPORTES LARMEX SA DE CVMay 22, 2025May 7, 20264
37BJ3BCIPATRICIA ROBLES LOZOYAApr 10, 2026Apr 10, 20261
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026