Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

3WKYD49X9LF512779 · Truck-Tractor · TRUCK
Carriers run under1
32 mo
Inspections15
all-time
OOS inspections1
of 15
First seenJul 5, 2023
US
Last seenMar 30, 2026
US
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKYD49X9LF512779
Make
Kenworth
Model
T680
Model year
2020
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
1990 or 2020

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

North American serial sequence
512779

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
2020

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 · Jul 5, 2023 – Mar 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 30, 2026USII · Walk-around7CONSTRUCCIONES Y TERRACERIAS CROMO SA DE CV 3075841WW1823B/MX
Jul 24, 2025USII · Walk-around9CONSTRUCCIONES Y TERRACERIAS CROMO SA DE CV 3075841WW1823B/MX
Dec 10, 2024USII · Walk-around3OOSCONSTRUCCIONES Y TERRACERIAS CROMO SA DE CV 3075841WX4746A/MX
Oct 3, 2024USII · Walk-around1CONSTRUCCIONES Y TERRACERIAS CROMO SA DE CV 3075841WX4973A/MX
Jul 16, 2024USII · Walk-around0CONSTRUCCIONES Y TERRACERIAS CROMO SA DE CV 3075841WX4973A/MX
Jul 8, 2024USII · Walk-around0CONSTRUCCIONES Y TERRACERIAS CROMO SA DE CV 3075841WX4973A/MX
Apr 3, 2024USIII · Driver-only0CONSTRUCCIONES Y TERRACERIAS CROMO SA DE CV 3075841WX4973A/MX
Feb 2, 2024USIII · Driver-only0CONSTRUCCIONES Y TERRACERIAS CROMO SA DE CV 3075841WX4973A/MX
Jan 16, 2024USIII · Driver-only0CONSTRUCCIONES Y TERRACERIAS CROMO SA DE CV 3075841WX4973A/MX
Jan 10, 2024USII · Walk-around0CONSTRUCCIONES Y TERRACERIAS CROMO SA DE CV 3075841WX4973A/MX
Nov 24, 2023USII · Walk-around0CONSTRUCCIONES Y TERRACERIAS CROMO SA DE CV 3075841WX4973A/MX
Sep 28, 2023USIII · Driver-only0CONSTRUCCIONES Y TERRACERIAS CROMO SA DE CV 3075841WX4973A/MX
Aug 23, 2023USIII · Driver-only0CONSTRUCCIONES Y TERRACERIAS CROMO SA DE CV 3075841WX4973A/MX
Jul 20, 2023USIII · Driver-only0CONSTRUCCIONES Y TERRACERIAS CROMO SA DE CV 3075841WX4973A/MX
Jul 5, 2023USII · Walk-around0CONSTRUCCIONES Y TERRACERIAS CROMO SA DE CV 3075841WX4973A/MX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CONSTRUCCIONES Y TERRACERIAS CROMO SA DE CV3075841Jul 5, 2023Mar 30, 202615TA
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.
WW1823BMXCONSTRUCCIONES Y TERRACERIAS CROMO SA DE CVJul 24, 2025Mar 30, 20262
WX4746AMXCONSTRUCCIONES Y TERRACERIAS CROMO SA DE CVDec 10, 2024Dec 10, 20241
WX4973AMXCONSTRUCCIONES Y TERRACERIAS CROMO SA DE CVJul 5, 2023Oct 3, 202412
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026