Equipment unit · VIN-decoded · NHTSA vPIC

1XKWD49XXFJ431507

Not yet decoded
W900
Carriers run under2
21 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJul 12, 2023
TX
Last seenApr 9, 2025
NM
Inspected under 2 different carriers in 21 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
WD49X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1985 or 2015

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

North American serial sequence
431507

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 · 5,845 decoded VINs at 94.7% prefix purity.

Model
W9 Series

Prefix basis · 5,845 decoded VINs at 94.7% prefix purity.

Model line
W900

Sourced label · prefix basis 5,845 decoded VINs at 94.7% 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.

Not established

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 12, 2023 – Apr 9, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 9, 2025NMII · Walk-around1ARTS HOT OIL SERVICES LLC 2271782WD135196/NM
Jul 12, 2023TXII · Walk-around3DYNAMIC ENVIRONMENTAL SERVICES LLC 1237781P226778/LA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ARTS HOT OIL SERVICES LLC2271782Apr 9, 2025Apr 9, 20251NM
DYNAMIC ENVIRONMENTAL SERVICES LLC1237781Jul 12, 2023Jul 12, 20231LA
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.
WD135196NMARTS HOT OIL SERVICES LLCApr 9, 2025Apr 9, 20251
P226778LADYNAMIC ENVIRONMENTAL SERVICES LLCJul 12, 2023Jul 12, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC