Equipment unit · VIN-decoded · NHTSA vPIC

4S9V6TA21FG347056

Not yet decoded
Carriers run under2
29 mo
Inspections12
all-time
OOS inspections2
of 12
First seenAug 19, 2023
US
Last seenJan 20, 2026
US
Inspected under 2 different carriers in 29 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

VIN
4S9V6TA21FG347056
Make
Not decoded
Model
Not decoded
Model year
Body class
Not decoded
Vehicle type
Not decoded
GVWR
Not decoded
Decoded at
Jun 16, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
4S9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
V6TA2

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1985 or 2015

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

North American serial sequence
347056

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
SOUTHERN VAC TRAILERS LLC

Prefix basis · 13 decoded VINs at 100.0% prefix purity.

Model
Southern Vac Trailers LLC

Prefix basis · 13 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.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed make
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
Not established

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

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 · Aug 19, 2023 – Jan 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 20, 2026USI · Full1APSON TRANSPORTATION LLC 1618090ECA2LR/AZ
Jan 12, 2026USI · Full3OOSJOSE LUIS PENA OLIVARES 3538307ECA2LR/AZ
Oct 2, 2025USI · Full6APSON TRANSPORTATION LLC 1618090ECA2LR/AZ
Sep 18, 2025USIII · Driver-only0APSON TRANSPORTATION LLC 1618090ECA2LR/AZ
Aug 13, 2025USI · Full5OOSAPSON TRANSPORTATION LLC 1618090ECA2LR/AZ
Jul 28, 2025USI · Full2APSON TRANSPORTATION LLC 1618090ECA2LR/AZ
Mar 14, 2025USI · Full6APSON TRANSPORTATION LLC 1618090ECA2LR/AZ
Feb 28, 2025USI · Full3JOSE LUIS PENA OLIVARES 3538307ECA2LR/AZ
Jan 7, 2025USI · Full5APSON TRANSPORTATION LLC 1618090ECA2LR/AZ
Dec 11, 2024USI · Full4JOSE LUIS PENA OLIVARES 3538307ECA2LR/AZ
Aug 24, 2023AZI · Full3JOSE LUIS PENA OLIVARES 3538307ECA2LR/AZ
Aug 19, 2023USII · Walk-around2JOSE LUIS PENA OLIVARES 3538307ECA2LR/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
APSON TRANSPORTATION LLC1618090Jan 7, 2025Jan 20, 20267AZ
JOSE LUIS PENA OLIVARES3538307Aug 19, 2023Jan 12, 20265SO
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.
ECA2LRAZAPSON TRANSPORTATION LLCJan 7, 2025Jan 20, 20267
ECA2LRAZJOSE LUIS PENA OLIVARESAug 19, 2023Jan 12, 20265
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026