Equipment unit · VIN-decoded · NHTSA vPIC

2017 Kenworth T680

3WKYDP9X4HF403025 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections14
all-time
OOS inspections2
of 14
First seenJan 25, 2024
US
Last seenJul 13, 2026
CA
Inspected under 2 different carriers in 30 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
3WKYDP9X4HF403025
Make
Kenworth
Model
T680
Model year
2017
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 17, 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
YDP9X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1987 or 2017

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

North American serial sequence
403025

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 · 334 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 334 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
2017

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 · Jan 25, 2024 – Jul 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 13, 2026CAIII · Driver-only1SOUTH NORTH TRUCKING S DE RL DE CV 32694909G19281/CA
Jun 19, 2026CAI · Full0SOUTH NORTH TRUCKING S DE RL DE CV 32694909G19281/CA
Oct 14, 2025CAI · Full6OOSSOUTH NORTH TRUCKING S DE RL DE CV 32694909G19281/CA
Sep 20, 2025CAII · Walk-around1SOUTH NORTH TRUCKING S DE RL DE CV 32694909G19281/CA
Jul 14, 2025CAI · Full0SOUTH NORTH TRUCKING S DE RL DE CV 32694909G19281/CA
Jul 10, 2025CAI · Full1SOUTH NORTH TRUCKING S DE RL DE CV 32694909G19281/CA
Mar 13, 2025CAIII · Driver-only1SOUTH NORTH TRUCKING S DE RL DE CV 32694909G19281/CA
Mar 10, 2025CAI · Full1SOUTH NORTH TRUCKING S DE RL DE CV 32694909G19281/CA
Jan 22, 2025CAII · Walk-around1SOUTH NORTH TRUCKING S DE RL DE CV 32694909G19281/CA
Apr 8, 2024USI · Full0SOUTH NORTH TRUCKING S DE RL DE CV 32694909G19281/CA
Mar 17, 2024USII · Walk-around5OOSSOUTH NORTH TRUCKING S DE RL DE CV 32694909G19281/CA
Mar 11, 2024USIII · Driver-only0SOUTH NORTH TRUCKING S DE RL DE CV 32694909G19281/CA
Feb 8, 2024CAI · Full0SERVICIO DE TRANSPORTE INTERNACIONAL Y LOCAL SA DE CV 5573419G19281/CA
Jan 25, 2024USIII · Driver-only0SOUTH NORTH TRUCKING S DE RL DE CV 32694909G19281/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUTH NORTH TRUCKING S DE RL DE CV3269490Jan 25, 2024Jul 13, 202613CA
SERVICIO DE TRANSPORTE INTERNACIONAL Y LOCAL SA DE CV557341Feb 8, 2024Feb 8, 20241CI
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.
9G19281CA1SOUTH NORTH TRUCKING S DE RL DE CVJan 25, 2024Jul 13, 202613
9G19281CASERVICIO DE TRANSPORTE INTERNACIONAL Y LOCAL SA DE CVFeb 8, 2024Feb 8, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026