Equipment unit · VIN-decoded · NHTSA vPIC

2018 Kenworth T680

3WKYD40X1JF501303 · Truck-Tractor · TRUCK
Carriers run under2
29 mo
Inspections7
all-time
OOS inspections1
of 7
First seenJul 22, 2023
TX
Last seenDec 16, 2025
TX
Inspected under 2 different carriers in 29 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
3WKYD40X1JF501303
Make
Kenworth
Model
T680
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
YD40X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1988 or 2018

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

North American serial sequence
501303

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 · 749 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 749 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
2018

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 · Jul 22, 2023 – Dec 16, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 16, 2025TXII · Walk-around4MARICELA ALVAREZ ROJAS 368339599BC4Z/MX
Sep 11, 2025TXIII · Driver-only3MARICELA ALVAREZ ROJAS 368339599BC4Z/MX
May 25, 2024USII · Walk-around0MARICELA ALVAREZ ROJAS 368339599BC4Z/MX
Mar 28, 2024USII · Walk-around0MARICELA ALVAREZ ROJAS 368339599BC4Z/MX
Mar 6, 2024USII · Walk-around0MARICELA ALVAREZ ROJAS 368339599BC4Z/MX
Jan 22, 2024USII · Walk-around0MARICELA ALVAREZ ROJAS 368339599BC4Z/MX
Jul 22, 2023TXII · Walk-around5OOSB R TRANSPORT LLC 1802992R311765/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARICELA ALVAREZ ROJAS3683395Jan 22, 2024Dec 16, 20256NL
B R TRANSPORT LLC1802992Jul 22, 2023Jul 22, 20231TX
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.
99BC4ZMXMARICELA ALVAREZ ROJASJan 22, 2024Dec 16, 20256
R311765TXB R TRANSPORT LLCJul 22, 2023Jul 22, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026