Equipment unit · VIN-decoded · NHTSA vPIC

2014 Kenworth T6 Series

1XKAD49X2EJ407579 · Truck-Tractor · TRUCK
T600
Carriers run under2
28 mo
Inspections11
all-time
OOS inspections2
of 11
First seenFeb 21, 2024
TX
Last seenJun 30, 2026
VA
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
1XKAD49X2EJ407579
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 20, 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
AD49X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

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
407579

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 · 5,142 decoded VINs at 90.1% prefix purity.

Model
T6 Series

Prefix basis · 5,142 decoded VINs at 90.1% prefix purity.

Model line
T600

Sourced label · prefix basis 5,142 decoded VINs at 90.1% 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 · Feb 21, 2024 – Jun 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 30, 2026VAI · Full4OOSTRI-COAST CARRIERS LLC 1510668R838963/TX
Jun 22, 2026TXII · Walk-around0TRI-COAST CARRIERS LLC 1510668R838963/TX
Apr 2, 2026KSII · Walk-around1TRI-COAST CARRIERS LLC 1510668R809295/TX
Mar 26, 2026TXI · Full3TRI-COAST CARRIERS LLC 1510668R809295/TX
Jan 27, 2026NMII · Walk-around1OOSTRI-COAST CARRIERS LLC 1510668R809295/TX
Sep 11, 2025NMII · Walk-around0D E TRANS II INC 2370515R756664/TX
Nov 20, 2024TXII · Walk-around1D E TRANS II INC 2370515R638462/TX
Jun 14, 2024NMIII · Driver-only0D E TRANS II INC 2370515R638462/TX
Apr 22, 2024TXII · Walk-around0D E TRANS II INC 2370515R638462/TX
Apr 13, 2024NMII · Walk-around1D E TRANS II INC 2370515R638462/TX
Feb 21, 2024TXI · Full1D E TRANS II INC 2370515R638462/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRI-COAST CARRIERS LLC1510668Jan 27, 2026Jun 30, 20265TX
D E TRANS II INC2370515Feb 21, 2024Sep 11, 20256TX
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.
R838963TX1TRI-COAST CARRIERS LLCJun 22, 2026Jun 30, 20262
R809295TXTRI-COAST CARRIERS LLCJan 27, 2026Apr 2, 20263
R756664TXD E TRANS II INCSep 11, 2025Sep 11, 20251
R638462TXD E TRANS II INCFeb 21, 2024Nov 20, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026