Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

1XKYD49X4LJ387329 · Truck-Tractor · TRUCK
Carriers run under2
26 mo
Inspections14
all-time
OOS inspections1
of 14
First seenMay 10, 2024
CA
Last seenJul 4, 2026
CA
Inspected under 2 different carriers in 26 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
1XKYD49X4LJ387329
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 16, 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
387329

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 · May 10, 2024 – Jul 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 4, 2026CAIII · Driver-only4D RAMIREZ TRANSPORT INC 1405178XP61599/CA
Jun 10, 2026CAI · Full2D RAMIREZ TRANSPORT INC 1405178XP61599/CA
Mar 19, 2026CAI · Full3RMZ TRANSPORT INC 2798127XP61599/CA
Mar 7, 2026CAIII · Driver-only3RMZ TRANSPORT INC 2798127XP61599/CA
Feb 11, 2026CAI · Full3D RAMIREZ TRANSPORT INC 1405178XP61599/CA
Feb 11, 2026CAII · Walk-around2OOSRMZ TRANSPORT INC 2798127XP61599/CA
Jan 15, 2026CAIII · Driver-only0RMZ TRANSPORT INC 2798127XP61599/CA
Dec 1, 2025USI · Full0D RAMIREZ TRANSPORT INC 1405178XP61599/CA
Jul 15, 2025USIII · Driver-only0D RAMIREZ TRANSPORT INC 1405178XP61599/CA
Jun 26, 2025CAIII · Driver-only0RMZ TRANSPORT INC 2798127XP61599/CA
Apr 10, 2025USI · Full0RMZ TRANSPORT INC 2798127XP61599/CA
Mar 28, 2025CAII · Walk-around1RMZ TRANSPORT INC 2798127XP61599/CA
Oct 1, 2024CAIII · Driver-only0RMZ TRANSPORT INC 2798127XP61599/CA
May 10, 2024CAI · Full0RMZ TRANSPORT INC 2798127XP61599/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
D RAMIREZ TRANSPORT INC1405178Jul 15, 2025Jul 4, 20265CA
RMZ TRANSPORT INC2798127May 10, 2024Mar 19, 20269CA
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.
XP61599CA1D RAMIREZ TRANSPORT INCJul 15, 2025Jul 4, 20265
XP61599CARMZ TRANSPORT INCMay 10, 2024Mar 19, 20269
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026