Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

1XKYD49X8LJ340854 · Truck-Tractor · TRUCK
Carriers run under3
24 mo
Inspections10
all-time
OOS inspections4
of 10
First seenJul 22, 2024
PA
Last seenJul 30, 2026
CA
Inspected under 3 different carriers in 24 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
1XKYD49X8LJ340854
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 21, 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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
YD49X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
340854

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 · 43,483 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 43,483 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 22, 2024 – Jul 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 30, 2026CAI · Full0KONTRAS & SONS LLC 2879200AM59730/AZ
Jul 14, 2026AZII · Walk-around2OOSKONTRAS & SONS LLC 2879200AM59730/AZ
May 3, 2026CAII · Walk-around0KONTRAS & SONS LLC 2879200AM59730/AZ
Aug 11, 2025AZII · Walk-around7OOSKONTRAS & SONS LLC 2879200AM59730/AZ
Apr 16, 2025AZII · Walk-around1KONTRAS & SONS LLC 2879200AM59730/AZ
Apr 2, 2025CAII · Walk-around1OOSKONTRAS & SONS LLC 2879200AM59730/AZ
Mar 20, 2025AZII · Walk-around3KONTRAS & SONS LLC 2879200AM59730/AZ
Feb 1, 2025AZI · Full0KONTRAS & SONS LLC 2879200AM59730/AZ
Dec 2, 2024TXII · Walk-around3OOSA & D WHOLESALE TRUCK AND PARTS LLC 287511693333/CA
Jul 22, 2024PAIII · Driver-only0A D TRANSPORT EXPRESS INC 296052RB79429/MI
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KONTRAS & SONS LLC2879200Feb 1, 2025Jul 30, 20268AZ
A & D WHOLESALE TRUCK AND PARTS LLC2875116Dec 2, 2024Dec 2, 20241CA
A D TRANSPORT EXPRESS INC296052Jul 22, 2024Jul 22, 20241MI
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.
AM59730AZ1KONTRAS & SONS LLCFeb 1, 2025Jul 30, 20268
93333CAA & D WHOLESALE TRUCK AND PARTS LLCDec 2, 2024Dec 2, 20241
RB79429MIA D TRANSPORT EXPRESS INCJul 22, 2024Jul 22, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026