Equipment unit · VIN-decoded · NHTSA vPIC

54DB4W1B0KS807931

Not yet decoded
Carriers run under1
16 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJan 1, 2025
GA
Last seenMay 11, 2026
GA
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
B4W1B

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

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
807931

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
ISUZU

Prefix basis · 167 decoded VINs at 93.4% prefix purity.

Model
NPR/NPR-HD

Prefix basis · 167 decoded VINs at 93.4% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jan 1, 2025 – May 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 11, 2026GAIII · Driver-only1KEITH PORTER INSULATION AND FIREPLACE INC 471672RUZ7492/GA
Jan 1, 2025GAIII · Driver-only2KEITH PORTER INSULATION AND FIREPLACE INC 471672RUZ7492/GA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KEITH PORTER INSULATION AND FIREPLACE INC471672Jan 1, 2025May 11, 20262GA
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.
RUZ7492GAKEITH PORTER INSULATION AND FIREPLACE INCJan 1, 2025May 11, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC