Equipment unit · VIN-decoded · NHTSA vPIC

1986 Kenworth T600

1XKAD49X2GJ448832 · Truck-Tractor · TRUCK
T600
Carriers run under3
32 mo
Inspections8
all-time
OOS inspections0
of 8
First seenSep 27, 2023
TX
Last seenMay 22, 2026
TX
Inspected under 3 different carriers in 32 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
1XKAD49X2GJ448832
Make
Kenworth
Model
T600
Model year
1986
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
AD49X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1986 or 2016

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

North American serial sequence
448832

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
1986

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 · Sep 27, 2023 – May 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 22, 2026TXII · Walk-around0BIG STAR TRANSPORTATION LLC 21867701N00049/TX
Oct 17, 2024TXII · Walk-around1R L WALKER TRANSPORT INC 5740821N00049/TX
Oct 2, 2024TXII · Walk-around2R L WALKER TRANSPORT INC 5740821N00049/TX
Apr 2, 2024TXII · Walk-around0MAVERICK WELDING LLC 23195911N00049/TX
Jan 18, 2024TXII · Walk-around0R L WALKER TRANSPORT INC 5740821N00049/TX
Jan 12, 2024TXII · Walk-around0R L WALKER TRANSPORT INC 5740821N00049/TX
Oct 6, 2023TXII · Walk-around0R L WALKER TRANSPORT INC 5740821N00049/TX
Sep 27, 2023TXII · Walk-around0R L WALKER TRANSPORT INC 5740821N00049/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BIG STAR TRANSPORTATION LLC2186770May 22, 2026May 22, 20261OK
R L WALKER TRANSPORT INC574082Sep 27, 2023Oct 17, 20246TX
MAVERICK WELDING LLC2319591Apr 2, 2024Apr 2, 20241TX
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.
1N00049TXBIG STAR TRANSPORTATION LLCMay 22, 2026May 22, 20261
1N00049TXR L WALKER TRANSPORT INCSep 27, 2023Oct 17, 20246
1N00049TXMAVERICK WELDING LLCApr 2, 2024Apr 2, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026