Equipment unit · VIN-decoded · NHTSA vPIC

1S9SS4738ML476339

Not yet decoded
Carriers run under2
14 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJul 20, 2023
IA
Last seenSep 12, 2024
IA
Inspected under 2 different carriers in 14 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
1S9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
SS473

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1991 or 2021

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

North American serial sequence
476339

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
SMITHCO MANUFACTURING

Prefix basis · 36 decoded VINs at 100.0% prefix purity.

Model
SMITHCO MANUFACTURING

Prefix basis · 36 decoded VINs at 100.0% 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 · Jul 20, 2023 – Sep 12, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 12, 2024IAIII · Driver-only3HOLTROP EXCAVATING INC 2896297JS2437/IA
Jul 20, 2023IAIII · Driver-only5J&R TRUCKING INC 1887852JS2437/IA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HOLTROP EXCAVATING INC2896297Sep 12, 2024Sep 12, 20241IA
J&R TRUCKING INC1887852Jul 20, 2023Jul 20, 20231IA
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.
JS2437IAHOLTROP EXCAVATING INCSep 12, 2024Sep 12, 20241
JS2437IAJ&R TRUCKING INCJul 20, 2023Jul 20, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC