Equipment unit · VIN-decoded · NHTSA vPIC

2024 Kenworth T680

3WKYD49X0RF543900 · Truck-Tractor · TRUCK
Carriers run under1
20 mo
Inspections14
all-time
OOS inspections2
of 14
First seenDec 17, 2024
US
Last seenAug 6, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKYD49X0RF543900
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 16, 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
0 · valid

Deterministic · position 9; calculated value 0.

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
543900

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 17, 2024 – Aug 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 6, 2026TXI · Full0TRANSPORTES LARMEX SA DE CV 243635392BF5P/MX
Apr 24, 2026TXI · Full4OOSTRANSPORTES LARMEX SA DE CV 243635392BF5P/MX
Apr 23, 2026USI · Full4TRANSPORTES LARMEX SA DE CV 243635392BF5P/MX
Jan 26, 2026TXI · Full3TRANSPORTES LARMEX SA DE CV 243635392BF5P/MX
Jan 8, 2026TXI · Full6TRANSPORTES LARMEX SA DE CV 243635392BF5P/MX
Oct 15, 2025TXI · Full0TRANSPORTES LARMEX SA DE CV 243635392BF5P/MX
Oct 2, 2025TXI · Full2TRANSPORTES LARMEX SA DE CV 243635392BF5P/MX
Sep 30, 2025TXI · Full9TRANSPORTES LARMEX SA DE CV 243635392BF5P/MX
Sep 29, 2025TXI · Full1TRANSPORTES LARMEX SA DE CV 243635392BF5P/MX
Sep 25, 2025TXI · Full1TRANSPORTES LARMEX SA DE CV 243635392BF5P/MX
Sep 24, 2025TXI · Full2OOSTRANSPORTES LARMEX SA DE CV 243635392BF5P/MX
Sep 10, 2025TXI · Full1TRANSPORTES LARMEX SA DE CV 243635392BF5P/MX
Aug 6, 2025USI · Full2TRANSPORTES LARMEX SA DE CV 243635392BF5P/MX
Dec 17, 2024USII · Walk-around1TRANSPORTES LARMEX SA DE CV 243635392BF5P/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 17, 2024Aug 6, 202614NL
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.
92BF5PMX1TRANSPORTES LARMEX SA DE CVDec 17, 2024Aug 6, 202614
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026