Equipment unit · VIN-decoded · NHTSA vPIC

2005 Kenworth T600

1XKAD49X65J114669 · Truck-Tractor · TRUCK
T600
Carriers run under2
22 mo
Inspections3
all-time
OOS inspections2
of 3
First seenJan 17, 2024
TX
Last seenNov 15, 2025
TX
Inspected under 2 different carriers in 22 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
1XKAD49X65J114669
Make
Kenworth
Model
T600
Model year
2005
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 26, 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
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
2005 or 2035

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

North American serial sequence
114669

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
2005

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T600

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 · Jan 17, 2024 – Nov 15, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 15, 2025TXII · Walk-around14OOSWEST TEXAS EXTREME INC 43663731M52491/TX
Apr 26, 2025TXII · Walk-around5OOSFIERCE ENERGY SERVICES LLC 31248381M52491/TX
Jan 17, 2024TXII · Walk-around5FIERCE ENERGY SERVICES LLC 31248381M52491/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WEST TEXAS EXTREME INC4366373Nov 15, 2025Nov 15, 20251TX
FIERCE ENERGY SERVICES LLC3124838Jan 17, 2024Apr 26, 20252TX
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.
1M52491TXWEST TEXAS EXTREME INCNov 15, 2025Nov 15, 20251
1M52491TXFIERCE ENERGY SERVICES LLCJan 17, 2024Apr 26, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026