Equipment unit · VIN-decoded · NHTSA vPIC

1998 Kenworth T600

1XKADB9X0WR771054 · Truck-Tractor · TRUCK
Carriers run under2
12 mo
Inspections2
all-time
OOS inspections0
of 2
First seenAug 14, 2023
NC
Last seenAug 13, 2024
MD
Inspected under 2 different carriers in 12 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
1XKADB9X0WR771054
Make
Kenworth
Model
T600
Model year
1998
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Sep 1, 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
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1998 or 2028

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

North American serial sequence
771054

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
1998

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 · Aug 14, 2023 – Aug 13, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 13, 2024MDII · Walk-around1MARTINEZ EXPRESS LLC 398441449901PZ/VA
Aug 14, 2023NCIII · Driver-only0EDWIN DONALDO VALDIZON 1366918MP4751/NC
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARTINEZ EXPRESS LLC3984414Aug 13, 2024Aug 13, 20241VA
EDWIN DONALDO VALDIZON1366918Aug 14, 2023Aug 14, 20231NC
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.
49901PZVAMARTINEZ EXPRESS LLCAug 13, 2024Aug 13, 20241
MP4751NCEDWIN DONALDO VALDIZONAug 14, 2023Aug 14, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 1, 2026