Equipment unit · VIN-decoded · NHTSA vPIC

2024 Kenworth T680

3WKYD49X3RF543910 · Truck-Tractor · TRUCK
Carriers run under1
25 mo
Inspections17
all-time
OOS inspections0
of 17
First seenDec 19, 2023
TX
Last seenJan 25, 2026
US
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKYD49X3RF543910
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
3 · valid

Deterministic · position 9; calculated value 3.

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
543910

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 · Dec 19, 2023 – Jan 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 25, 2026USII · Walk-around3TRANSPORTES LARMEX SA DE CV 243635346BC1F/MX
Dec 14, 2025USII · Walk-around1TRANSPORTES LARMEX SA DE CV 243635346BC1F/MX
Oct 31, 2025TXI · Full1TRANSPORTES LARMEX SA DE CV 243635346BC1F/MX
Sep 23, 2025USI · Full1TRANSPORTES LARMEX SA DE CV 243635346BC1F/MX
May 28, 2025TXIII · Driver-only1TRANSPORTES LARMEX SA DE CV 243635346BC1F/MX
May 13, 2025TXI · Full2TRANSPORTES LARMEX SA DE CV 243635346BC1F/MX
May 12, 2025TXIII · Driver-only1TRANSPORTES LARMEX SA DE CV 243635346BC1F/MX
Apr 14, 2025TXI · Full1TRANSPORTES LARMEX SA DE CV 243635346BC1F/MX
Mar 24, 2025TXI · Full3TRANSPORTES LARMEX SA DE CV 243635346BC1F/MX
Mar 4, 2025TXI · Full5TRANSPORTES LARMEX SA DE CV 243635346BC1F/MX
Feb 3, 2025USI · Full0TRANSPORTES LARMEX SA DE CV 243635346BC1F/MX
Nov 6, 2024TXI · Full0TRANSPORTES LARMEX SA DE CV 243635346BC1F/MX
Nov 6, 2024TXI · Full1TRANSPORTES LARMEX SA DE CV 243635346BC1F/MX
Oct 8, 2024TXI · Full1TRANSPORTES LARMEX SA DE CV 243635346BC1F/MX
Sep 19, 2024TXI · Full0TRANSPORTES LARMEX SA DE CV 243635346BC1F/MX
Jul 31, 2024USII · Walk-around0TRANSPORTES LARMEX SA DE CV 243635346BC1F/MX
Dec 19, 2023TXII · Walk-around2TRANSPORTES LARMEX SA DE CV 243635346BC1F/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 CV2436353Dec 19, 2023Jan 25, 202617NL
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.
46BC1FMXTRANSPORTES LARMEX SA DE CVDec 19, 2023Jan 25, 202617
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026