Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

3WKYD49X5LF398957 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections5
all-time
OOS inspections0
of 5
First seenAug 7, 2023
TX
Last seenJun 25, 2026
TX
Inspected under 2 different carriers in 34 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKYD49X5LF398957
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
Jul 4, 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
5 · valid

Deterministic · position 9; calculated value 5.

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
398957

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.

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 · Aug 7, 2023 – Jun 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 25, 2026TXII · Walk-around0—DIALVAN INC 2043409R806356/TX
Oct 27, 2025ALIII · Driver-only0—DIALVAN INC 2043409R806356/TX
Jul 4, 2024TXII · Walk-around0—F & A EXPRESS LLC 814450R463144/TX
Jan 5, 2024ARIII · Driver-only0—F & A EXPRESS LLC 814450R463144/TX
Aug 7, 2023TXII · Walk-around0—F & A EXPRESS LLC 814450R463144/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DIALVAN INC2043409Oct 27, 2025Jun 25, 20262TX
F & A EXPRESS LLC814450Aug 7, 2023Jul 4, 20243TX
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.
R806356TX1DIALVAN INCOct 27, 2025 → Jun 25, 20262
R463144TX—F & A EXPRESS LLCAug 7, 2023 → Jul 4, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 4, 2026