Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

1XKYDP9XXLJ355051 · Truck-Tractor · TRUCK
Carriers run under2
18 mo
Inspections3
all-time
OOS inspections0
of 3
First seenApr 20, 2024
CA
Last seenOct 10, 2025
LA
Inspected under 2 different carriers in 18 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
1XKYDP9XXLJ355051
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 28, 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
YDP9X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

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
355051

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 · 26,022 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 26,022 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 · Apr 20, 2024 – Oct 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 10, 2025LAIII · Driver-only2—TOPLINESERVICE INC 2136205YP63644/CA
Jun 30, 2025NMIII · Driver-only0—TOPLINESERVICE INC 2136205YP63644/CA
Apr 20, 2024CAI · Full0—USA EXPRESS INC 1189943YP63644/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TOPLINESERVICE INC2136205Jun 30, 2025Oct 10, 20252TX
USA EXPRESS INC1189943Apr 20, 2024Apr 20, 20241ID
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.
YP63644CA—TOPLINESERVICE INCJun 30, 2025 → Oct 10, 20252
YP63644CA—USA EXPRESS INCApr 20, 2024 → Apr 20, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 28, 2026