Equipment unit · VIN-decoded · NHTSA vPIC

2024 Kenworth T680

3WKYD49X9RF538338 · Truck-Tractor · TRUCK
Carriers run under1
38 mo
Inspections23
all-time
OOS inspections3
of 23
First seenJun 16, 2023
TX
Last seenAug 4, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKYD49X9RF538338
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
9 · valid

Deterministic · position 9; calculated value 9.

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
538338

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 · Jun 16, 2023 – Aug 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 4, 2026TXI · Full4TRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Jul 23, 2026TXIII · Driver-only2TRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Jul 6, 2026TXII · Walk-around3TRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
May 21, 2026TXIII · Driver-only2TRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Nov 20, 2025TXI · Full0TRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Nov 10, 2025TXI · Full3TRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Oct 15, 2025TXIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Sep 25, 2025TXI · Full1TRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Sep 18, 2025TXI · Full2TRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Sep 11, 2025TXI · Full6OOSTRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Feb 11, 2025USI · Full2TRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Jan 29, 2025TXIII · Driver-only1TRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Jan 20, 2025TXII · Walk-around3TRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Jan 17, 2025USI · Full8OOSTRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Nov 2, 2024USII · Walk-around3OOSTRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Jul 31, 2024TXIII · Driver-only0TRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Mar 14, 2024USI · Full4TRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Oct 13, 2023TXII · Walk-around0TRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Aug 25, 2023TXI · Full1TRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Jul 20, 2023TXI · Full2TRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Jun 29, 2023TXI · Full2TRANSPORTES LARMEX SA DE CV 243635367AZ27M/MX
Jun 27, 2023TXI · Full1TRANSPORTES LARMEX SA DE CV 243635367AZ7M/MX
Jun 16, 2023TXI · Full3TRANSPORTES LARMEX SA DE CV 243635367AZ7M/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 CV2436353Jun 16, 2023Aug 4, 202623NL
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.
67AZ7MMX1TRANSPORTES LARMEX SA DE CVJun 16, 2023Aug 4, 202622
67AZ27MMXTRANSPORTES LARMEX SA DE CVJun 29, 2023Jun 29, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026