Equipment unit · VIN-decoded · NHTSA vPIC

2015 Kenworth T680

1XKYAP9XXFJ447614 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections11
all-time
OOS inspections4
of 11
First seenJul 13, 2023
WA
Last seenJan 12, 2026
WA
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
1XKYAP9XXFJ447614
Make
Kenworth
Model
T680
Model year
2015
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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
YAP9X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1985 or 2015

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

North American serial sequence
447614

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 · 105 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 105 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
2015

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 13, 2023 – Jan 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 12, 2026WAII · Walk-around3WASHINGTON FREIGHT SERVICE LLC 2542736RP04811/WA
Nov 13, 2025WAIII · Driver-only1WASHINGTON FREIGHT SERVICE LLC 2542736RP04811/WA
Oct 1, 2025WAIII · Driver-only0WASHINGTON FREIGHT SERVICE LLC 2542736RP04811/WA
Jun 30, 2025WAII · Walk-around0WASHINGTON FREIGHT SERVICE LLC 2542736RP04811/WA
May 7, 2024WAIII · Driver-only1NATIONAL TRANSPORTATION SERVICES INC 1754891RP04811/WA
May 2, 2024WAII · Walk-around1OOSNATIONAL TRANSPORTATION SERVICES INC 1754891RP04811/WA
Apr 19, 2024WAII · Walk-around1OOSNATIONAL TRANSPORTATION SERVICES INC 1754891RP04811/WA
Oct 18, 2023WAII · Walk-around1OOSNATIONAL TRANSPORTATION SERVICES INC 1754891RP04811/WA
Sep 11, 2023WAIII · Driver-only1NATIONAL TRANSPORTATION SERVICES INC 1754891RP04811/WA
Aug 1, 2023WAII · Walk-around2OOSWASHINGTON FREIGHT SERVICE LLC 2542736RP04811/WA
Jul 13, 2023WAII · Walk-around1WASHINGTON FREIGHT SERVICE LLC 2542736RP04811/WA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WASHINGTON FREIGHT SERVICE LLC2542736Jul 13, 2023Jan 12, 20266WA
NATIONAL TRANSPORTATION SERVICES INC1754891Sep 11, 2023May 7, 20245WA
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.
RP04811WAWASHINGTON FREIGHT SERVICE LLCJul 13, 2023Jan 12, 20266
RP04811WANATIONAL TRANSPORTATION SERVICES INCSep 11, 2023May 7, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026