Equipment unit · VIN-decoded · NHTSA vPIC

54DC4W1B7KS814007

Not yet decoded
Carriers run under2
16 mo
Inspections2
all-time
OOS inspections0
of 2
First seenSep 26, 2023
CA
Last seenJan 16, 2025
WA
Inspected under 2 different carriers in 16 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
54D

Deterministic · VIN positions 1–3.

Vehicle descriptor section
C4W1B

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

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
814007

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.

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 · Sep 26, 2023 – Jan 16, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 16, 2025WAV · Vehicle-only0GENERAL PLUS INSULATION LLC 2417574D91436F/WA
Sep 26, 2023CAI · Full0CARROLL'S LLC 40718346958X2/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GENERAL PLUS INSULATION LLC2417574Jan 16, 2025Jan 16, 20251WA
CARROLL'S LLC407183Sep 26, 2023Sep 26, 20231FL
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.
D91436FWAGENERAL PLUS INSULATION LLCJan 16, 2025Jan 16, 20251
46958X2CACARROLL'S LLCSep 26, 2023Sep 26, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC