Equipment unit · VIN-decoded · NHTSA vPIC

1989 Kenworth T600

1XKADB9X4KS524977 · Truck-Tractor · TRUCK
Carriers run under2
10 mo
Inspections3
all-time
OOS inspections2
of 3
First seenMar 18, 2025
TX
Last seenJan 6, 2026
TX
Inspected under 2 different carriers in 10 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
1XKADB9X4KS524977
Make
Kenworth
Model
T600
Model year
1989
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
ADB9X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1989 or 2019

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

North American serial sequence
524977

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
1989

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Mar 18, 2025 – Jan 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 6, 2026TXI · Full6OOSTROPHY TRUCKING SERVICES LLC 2871129TEMP/TX
Sep 17, 2025TXII · Walk-around6CLAW ENTERPRISES LLC 324677829M360N/TX
Mar 18, 2025TXI · Full6OOSCLAW ENTERPRISES LLC 3246778R615079/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TROPHY TRUCKING SERVICES LLC2871129Jan 6, 2026Jan 6, 20261TX
CLAW ENTERPRISES LLC3246778Mar 18, 2025Sep 17, 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.
TEMPTXTROPHY TRUCKING SERVICES LLCJan 6, 2026Jan 6, 20261
29M360NTXCLAW ENTERPRISES LLCSep 17, 2025Sep 17, 20251
R615079TXCLAW ENTERPRISES LLCMar 18, 2025Mar 18, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026