Equipment unit · VIN-decoded · NHTSA vPIC

2018 Kenworth T680

3WKYD49X7JF503110 · Truck-Tractor · TRUCK
Carriers run under1
37 mo
Inspections29
all-time
OOS inspections6
of 29
First seenJun 20, 2023
TX
Last seenJul 20, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKYD49X7JF503110
Make
Kenworth
Model
T680
Model year
2018
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
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1988 or 2018

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

North American serial sequence
503110

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
2018

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 20, 2023 – Jul 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 20, 2026TXI · Full0TRANSPORTES LARMEX SA DE CV 243635348BM4H/MX
Jul 17, 2026TXI · Full2TRANSPORTES LARMEX SA DE CV 243635348BM4H/MX
Jul 6, 2026TXI · Full4TRANSPORTES LARMEX SA DE CV 243635348BM4H/MX
May 28, 2026TXI · Full6TRANSPORTES LARMEX SA DE CV 243635348BM4H/MX
May 7, 2026USI · Full3TRANSPORTES LARMEX SA DE CV 243635348BM4H/MX
Mar 4, 2026TXI · Full1OOSTRANSPORTES LARMEX SA DE CV 243635348BM4H/MX
Aug 9, 2025USI · Full3TRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Aug 5, 2025TXI · Full1TRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Jun 19, 2025TXI · Full1TRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Apr 10, 2025TXI · Full6OOSTRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Mar 13, 2025TXI · Full5TRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Feb 26, 2025TXI · Full8OOSTRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Feb 18, 2025TXI · Full6TRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Feb 7, 2025TXI · Full3OOSTRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Jan 6, 2025USII · Walk-around0TRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Jan 2, 2025TXI · Full0TRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Dec 27, 2024TXI · Full2TRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Nov 21, 2024TXI · Full2TRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Nov 17, 2024USI · Full1TRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Nov 5, 2024TXI · Full5OOSTRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Oct 31, 2024TXI · Full4OOSTRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Oct 29, 2024TXI · Full2TRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Oct 25, 2024TXI · Full1TRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Oct 4, 2024TXI · Full0TRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Sep 25, 2024USI · Full1TRANSPORTES LARMEX SA DE CV 2436353555FD9/TA
Nov 8, 2023USI · Full3TRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Aug 21, 2023TXI · Full0TRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Jul 17, 2023TXI · Full9TRANSPORTES LARMEX SA DE CV 2436353555FD9/MX
Jun 20, 2023TXI · Full0TRANSPORTES LARMEX SA DE CV 2436353555FD9/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 20, 2023Jul 20, 202629NL
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.
48BM4HMX1TRANSPORTES LARMEX SA DE CVMar 4, 2026Jul 20, 20266
555FD9MXTRANSPORTES LARMEX SA DE CVJun 20, 2023Aug 9, 202522
555FD9TATRANSPORTES LARMEX SA DE CVSep 25, 2024Sep 25, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026