Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

1XKYD49X4LJ398539 · Truck-Tractor · TRUCK
Carriers run under3
19 mo
Inspections6
all-time
OOS inspections3
of 6
First seenDec 31, 2024
NV
Last seenJul 11, 2026
CA
Inspected under 3 different carriers in 19 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
1XKYD49X4LJ398539
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 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
YD49X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
398539

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 · Dec 31, 2024 – Jul 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 11, 2026CAIII · Driver-only3OOSOLAND FREIGHT INC 3265088ZP72966/CA
Jan 13, 2026CAI · Full3J ALVARENGA TRANSPORT LLC 4373022ZP72966/CA
Dec 17, 2025CAI · Full3OOSJ ALVARENGA TRANSPORT LLC 4373022ZP72958/CA
Jul 12, 2025AZII · Walk-around3OOSSTEWART TRANSPORT INC 668617AJ82228/AZ
Mar 26, 2025NMII · Walk-around2STEWART TRANSPORT INC 668617AJ82228/AZ
Dec 31, 2024NVIII · Driver-only0STEWART TRANSPORT INC 668617AJ82228/AZ
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OLAND FREIGHT INC3265088Jul 11, 2026Jul 11, 20261CA
J ALVARENGA TRANSPORT LLC4373022Dec 17, 2025Jan 13, 20262AZ
STEWART TRANSPORT INC668617Dec 31, 2024Jul 12, 20253AZ
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.
ZP72966CA1OLAND FREIGHT INCJul 11, 2026Jul 11, 20261
ZP72966CAJ ALVARENGA TRANSPORT LLCJan 13, 2026Jan 13, 20261
ZP72958CAJ ALVARENGA TRANSPORT LLCDec 17, 2025Dec 17, 20251
AJ82228AZSTEWART TRANSPORT INCDec 31, 2024Jul 12, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026