Equipment unit · VIN-decoded · NHTSA vPIC

2019 Kenworth T680

1XKYD49X0KJ256557 · Truck-Tractor · TRUCK
Carriers run under3
24 mo
Inspections8
all-time
OOS inspections3
of 8
First seenOct 19, 2023
UT
Last seenOct 28, 2025
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
1XKYD49X0KJ256557
Make
Kenworth
Model
T680
Model year
2019
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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
YD49X

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1989 or 2019

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

North American serial sequence
256557

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
2019

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 · Oct 19, 2023 – Oct 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 28, 2025CAI · Full0ASSET TRANSPORT LLC 2490391ZP22341/CA
Oct 11, 2025NMII · Walk-around0OPEX LOGISTICS SERVICES LLC 3009124ZP22341/CA
Apr 16, 2025CAI · Full1OPEX LOGISTICS SERVICES LLC 3009124ZP22341/CA
Jan 2, 2025CAII · Walk-around2OOSOPEX LOGISTICS SERVICES LLC 3009124ZP22341/CA
Dec 11, 2024WAI · Full8OOSOPEX LOGISTICS SERVICES LLC 3009124ZP22341/CA
Aug 28, 2024CAI · Full4OOSOPEX LOGISTICS SERVICES LLC 3009124ZP22341/CA
Jul 9, 2024WAIII · Driver-only2OPEX LOGISTICS SERVICES LLC 3009124ZP22341/CA
Oct 19, 2023UTIII · Driver-only0SWIFT TRANSPORTATION COMPANY OF ARIZONA LLC 542832530415/IN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ASSET TRANSPORT LLC2490391Oct 28, 2025Oct 28, 20251GA
OPEX LOGISTICS SERVICES LLC3009124Jul 9, 2024Oct 11, 20256CA
SWIFT TRANSPORTATION COMPANY OF ARIZONA LLC54283Oct 19, 2023Oct 19, 20231AZ
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.
ZP22341CAASSET TRANSPORT LLCOct 28, 2025Oct 28, 20251
ZP22341CA1OPEX LOGISTICS SERVICES LLCJul 9, 2024Oct 11, 20256
2530415INSWIFT TRANSPORTATION COMPANY OF ARIZONA LLCOct 19, 2023Oct 19, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 4, 2026