Equipment unit · VIN-decoded · NHTSA vPIC

2014 Kenworth T8 Series

1XKDD40X9EJ406410 · Truck-Tractor · TRUCK
T800
Carriers run under2
28 mo
Inspections10
all-time
OOS inspections0
of 10
First seenDec 20, 2023
WA
Last seenApr 22, 2026
WA
Inspected under 2 different carriers in 28 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
1XKDD40X9EJ406410
Make
Kenworth
Model
T8 Series
Model year
2014
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 18, 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
DD40X

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1984 or 2014

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

North American serial sequence
406410

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 · 734 decoded VINs at 92.0% prefix purity.

Model
T8 Series

Prefix basis · 734 decoded VINs at 92.0% prefix purity.

Model line
T800

Sourced label · prefix basis 734 decoded VINs at 92.0% prefix purity.

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
2014

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T8 Series

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

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Dec 20, 2023 – Apr 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 22, 2026WAIII · Driver-only0WASHINGTON FREIGHT SERVICE LLC 2542736RP04453/WA
Dec 19, 2025WAIII · Driver-only0WASHINGTON FREIGHT SERVICE LLC 2542736RP04453/WA
Apr 2, 2025WAII · Walk-around0WASHINGTON FREIGHT SERVICE LLC 2542736RP04453/WA
Nov 7, 2024WAII · Walk-around0WASHINGTON FREIGHT SERVICE LLC 2542736RP04453/WA
Oct 10, 2024WAII · Walk-around1WASHINGTON FREIGHT SERVICE LLC 2542736RP04453/WA
Sep 17, 2024WAI · Full1WASHINGTON FREIGHT SERVICE LLC 2542736RP04453/WA
Jun 10, 2024ORIII · Driver-only0WASHINGTON FREIGHT SERVICE LLC 2542736RP04453/WA
May 1, 2024WAII · Walk-around1WASHINGTON FREIGHT SERVICE LLC 2542736RP04453/WA
Feb 6, 2024ORII · Walk-around0WASHINGTON FREIGHT SERVICE LLC 2542736RP04453/WA
Dec 20, 2023WAIII · Driver-only0NATIONAL TRANSPORTATION SERVICES INC 1754891C05343X/WA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WASHINGTON FREIGHT SERVICE LLC2542736Feb 6, 2024Apr 22, 20269WA
NATIONAL TRANSPORTATION SERVICES INC1754891Dec 20, 2023Dec 20, 20231WA
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.
RP04453WAWASHINGTON FREIGHT SERVICE LLCFeb 6, 2024Apr 22, 20269
C05343XWANATIONAL TRANSPORTATION SERVICES INCDec 20, 2023Dec 20, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026