Equipment unit · VIN-decoded · NHTSA vPIC

2024 Kenworth T680

3WKYD49X6RF537356 · Truck-Tractor · TRUCK
Carriers run under2
37 mo
Inspections24
all-time
OOS inspections2
of 24
First seenJun 26, 2023
CA
Last seenJul 14, 2026
CO
Inspected under 2 different carriers in 37 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
3WKYD49X6RF537356
Make
Kenworth
Model
T680
Model year
2024
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
3WK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
YD49X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1994 or 2024

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

North American serial sequence
537356

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 · 1,094 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 1,094 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
2024

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 · Jun 26, 2023 – Jul 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 14, 2026COIII · Driver-only2D RAMIREZ TRANSPORT INC 1405178YP92565/CA
Jun 17, 2026WAIII · Driver-only0RMZ TRANSPORT INC 2798127YP92565/CA
Jun 9, 2026CAII · Walk-around3D RAMIREZ TRANSPORT INC 1405178YP92565/CA
May 26, 2026COI · Full8OOSD RAMIREZ TRANSPORT INC 1405178YP92565/CA
May 5, 2026COIII · Driver-only0D RAMIREZ TRANSPORT INC 1405178YP92565/CA
May 5, 2026COIII · Driver-only4D RAMIREZ TRANSPORT INC 1405178YP92565/CA
Mar 20, 2026USI · Full4RMZ TRANSPORT INC 2798127YP92565/CA
Mar 2, 2026CAI · Full5D RAMIREZ TRANSPORT INC 1405178YP92565/CA
Feb 21, 2026NMIII · Driver-only0RMZ TRANSPORT INC 2798127YP92565/CA
Jan 23, 2026CAI · Full2RMZ TRANSPORT INC 2798127YP92565/CA
Jan 12, 2026CAIII · Driver-only1RMZ TRANSPORT INC 2798127YP92565/CA
Nov 19, 2025CAIII · Driver-only1RMZ TRANSPORT INC 2798127YP92565/CA
Sep 30, 2025CAIII · Driver-only0RMZ TRANSPORT INC 2798127YP92565/CA
Jul 28, 2025CAIII · Driver-only0D RAMIREZ TRANSPORT INC 1405178YP92565/CA
Jun 9, 2025CAI · Full1RMZ TRANSPORT INC 2798127YP92565/CA
May 23, 2025CAI · Full0RMZ TRANSPORT INC 2798127YP92565/CA
May 8, 2025CAI · Full5OOSRMZ TRANSPORT INC 2798127YP92565/CA
Jan 17, 2025CAIII · Driver-only1RMZ TRANSPORT INC 2798127YP92565/CA
Aug 6, 2024CAII · Walk-around1RMZ TRANSPORT INC 2798127YP92565/CA
Jul 29, 2024CAI · Full0RMZ TRANSPORT INC 2798127YP92565/CA
Mar 19, 2024WAIII · Driver-only0RMZ TRANSPORT INC 2798127YP92565/CA
Jan 3, 2024ORIII · Driver-only0RMZ TRANSPORT INC 2798127YP92565/CA
Nov 6, 2023NMIII · Driver-only1RMZ TRANSPORT INC 2798127YP92565/CA
Jun 26, 2023CAI · Full0RMZ TRANSPORT INC 2798127YP92565/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 28, 2025Jul 14, 20267CA
RMZ TRANSPORT INC2798127Jun 26, 2023Jun 17, 202617CA
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.
YP92565CA1D RAMIREZ TRANSPORT INCJul 28, 2025Jul 14, 20267
YP92565CA1RMZ TRANSPORT INCJun 26, 2023Jun 17, 202617
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026