Equipment unit · VIN-decoded · NHTSA vPIC

1S9SS4236ML476878

Not yet decoded
Carriers run under2
23 mo
Inspections2
all-time
OOS inspections0
of 2
First seenMar 22, 2024
UT
Last seenFeb 10, 2026
UT
Inspected under 2 different carriers in 23 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
SS423

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

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
476878

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 · 76 decoded VINs at 100.0% prefix purity.

Model
SMITHCO MANUFACTURING

Prefix basis · 76 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 · Mar 22, 2024 – Feb 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 10, 2026UTI · Full7BARNEY TRUCKING INC 123729TV4926/ID
Mar 22, 2024UTIII · Driver-only3CUSTOM TRUCKING AND TRANSPORTATION LLC 3403959TR4953/ID
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BARNEY TRUCKING INC123729Feb 10, 2026Feb 10, 20261UT
CUSTOM TRUCKING AND TRANSPORTATION LLC3403959Mar 22, 2024Mar 22, 20241UT
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.
TV4926ID3BARNEY TRUCKING INCFeb 10, 2026Feb 10, 20261
TR4953IDCUSTOM TRUCKING AND TRANSPORTATION LLCMar 22, 2024Mar 22, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC