Equipment unit · VIN-decoded · NHTSA vPIC

54DK6S1F4SSA00336

Not yet decoded
Carriers run under1
6 mo
Inspections2
all-time
OOS inspections0
of 2
First seenMar 21, 2025
OK
Last seenSep 8, 2025
OK
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
K6S1F

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1995 or 2025

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

North American serial sequence
A00336

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 · 631 decoded VINs at 95.6% prefix purity.

Model
FTR

Prefix basis · 631 decoded VINs at 95.6% 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 · Mar 21, 2025 – Sep 8, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 8, 2025OKII · Walk-around0QUINLAN INTERIOR SERVICES LLC 231579168C633/OK
Mar 21, 2025OKII · Walk-around1QUINLAN INTERIOR SERVICES LLC 231579168C633/OK
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
QUINLAN INTERIOR SERVICES LLC2315791Mar 21, 2025Sep 8, 20252OK
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.
68C633OKQUINLAN INTERIOR SERVICES LLCMar 21, 2025Sep 8, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC