Equipment unit · VIN-decoded · NHTSA vPIC

2024 Kenworth T680

3WKYD49X8RF543899 · Truck-Tractor · TRUCK
Carriers run under1
23 mo
Inspections22
all-time
OOS inspections1
of 22
First seenSep 23, 2024
TX
Last seenAug 10, 2026
US
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKYD49X8RF543899
Make
Kenworth
Model
T680
Model year
2024
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
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1994 or 2024

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
543899

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
2024

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 23, 2024 – Aug 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 10, 2026USIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
Jul 28, 2026TXI · Full1TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
Jul 24, 2026TXI · Full1TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
Jul 10, 2026TXI · Full1TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
Jul 3, 2026TXI · Full3TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
Jun 7, 2026USI · Full5TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
May 27, 2026TXI · Full0TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
Feb 11, 2026TXI · Full2TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
Feb 9, 2026TXI · Full0TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
Nov 10, 2025TXI · Full0TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
Oct 6, 2025TXI · Full2TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
Oct 2, 2025TXI · Full1TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
Sep 16, 2025USI · Full5OOSTRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
Jul 14, 2025TXII · Walk-around0TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
Jun 3, 2025TXIII · Driver-only1TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
May 22, 2025TXIII · Driver-only1TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
Mar 19, 2025TXIII · Driver-only1TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
Jan 29, 2025TXI · Full3TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
Jan 23, 2025USII · Walk-around0TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
Dec 17, 2024USI · Full0TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
Oct 22, 2024USII · Walk-around0TRANSPORTES LARMEX SA DE CV 243635393BF5P/MX
Sep 23, 2024TXIII · Driver-only3TRANSPORTES LARMEX SA DE CV 243635393BF5P/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 CV2436353Sep 23, 2024Aug 10, 202622NL
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.
93BF5PMX1TRANSPORTES LARMEX SA DE CVSep 23, 2024Aug 10, 202622
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026