Equipment unit · VIN-decoded · NHTSA vPIC

2014 Kenworth T6 Series

1XKADP8X6EJ418779 · Truck-Tractor · TRUCK
T600
Carriers run under2
25 mo
Inspections7
all-time
OOS inspections1
of 7
First seenDec 9, 2023
KS
Last seenJan 12, 2026
OK
Inspected under 2 different carriers in 25 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
1XKADP8X6EJ418779
Make
Kenworth
Model
T6 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 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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
ADP8X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

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
418779

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 · 171 decoded VINs at 97.1% prefix purity.

Model
T6 Series

Prefix basis · 171 decoded VINs at 97.1% prefix purity.

Model line
T600

Sourced label · prefix basis 171 decoded VINs at 97.1% 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
T6 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 9, 2023 – Jan 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 12, 2026OKII · Walk-around8THOMPSON & SON TRUCKING LLC 4429987737530/OK
Sep 29, 2025OKIII · Driver-only4THOMPSON & SON TRUCKING LLC 4429987737530/OK
Jun 17, 2025TXII · Walk-around5HOFFMAN TRANSPORTATION INC 4280993ME781/OK
Feb 13, 2025OKIII · Driver-only0HOFFMAN TRANSPORTATION INC 4280993KB403/OK
Jul 10, 2024KSI · Full10OOSHOFFMAN TRANSPORTATION INC 4280993KB403/OK
Jan 21, 2024NMIII · Driver-only0HOFFMAN TRANSPORTATION INC 4280993KB403/OK
Dec 9, 2023KSII · Walk-around1HOFFMAN TRANSPORTATION INC 4280993KB403/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
THOMPSON & SON TRUCKING LLC4429987Sep 29, 2025Jan 12, 20262OK
HOFFMAN TRANSPORTATION INC428099Dec 9, 2023Jun 17, 20255OK
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.
737530OKTHOMPSON & SON TRUCKING LLCSep 29, 2025Jan 12, 20262
3ME781OKHOFFMAN TRANSPORTATION INCJun 17, 2025Jun 17, 20251
3KB403OKHOFFMAN TRANSPORTATION INCDec 9, 2023Feb 13, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026