Equipment unit · VIN-decoded · NHTSA vPIC

1986 Kenworth T600

1XKADP9X9GJ486544 · Truck-Tractor · TRUCK
T600
Carriers run under2
26 mo
Inspections3
all-time
OOS inspections0
of 3
First seenNov 30, 2023
TX
Last seenJan 29, 2026
TX
Inspected under 2 different carriers in 26 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
1XKADP9X9GJ486544
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
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
ADP9X

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

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
486544

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 · 1,080 decoded VINs at 93.3% prefix purity.

Model
T6 Series

Prefix basis · 1,080 decoded VINs at 93.3% prefix purity.

Model line
T600

Sourced label · prefix basis 1,080 decoded VINs at 93.3% 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 · Nov 30, 2023 – Jan 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 29, 2026TXII · Walk-around0NORTH AMERICAN BULK TRANSPORT INC 12543259017Z/WI
Feb 7, 2025OKIII · Driver-only0NORTH AMERICAN BULK TRANSPORT INC 12543259017Z/WI
Nov 30, 2023TXIII · Driver-only1SCHWERMAN TRUCKING COMPANY 4659559017Z/WI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NORTH AMERICAN BULK TRANSPORT INC125432Feb 7, 2025Jan 29, 20262WI
SCHWERMAN TRUCKING COMPANY46595Nov 30, 2023Nov 30, 20231WI
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.
59017ZWINORTH AMERICAN BULK TRANSPORT INCFeb 7, 2025Jan 29, 20262
59017ZWISCHWERMAN TRUCKING COMPANYNov 30, 2023Nov 30, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026