Equipment unit · VIN-decoded · NHTSA vPIC

4S9V6TA24KG347109

Not yet decoded
Carriers run under2
30 mo
Inspections13
all-time
OOS inspections3
of 13
First seenJan 19, 2024
TX
Last seenJul 31, 2026
TX
Inspected under 2 different carriers in 30 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
4S9V6TA24KG347109
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
4 · valid

Deterministic · position 9; calculated value 4.

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
347109

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 · Jan 19, 2024 – Jul 31, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 31, 2026TXII · Walk-around2OOSSAN FRANCISCO TRUCKING LLC 3660061243C910/TX
May 14, 2026TXI · Full3OOSSAN FRANCISCO TRUCKING LLC 3660061243C910/TX
Apr 10, 2026TXII · Walk-around1OOSSAN FRANCISCO TRUCKING LLC 3660061243C910/TX
Apr 9, 2026TXII · Walk-around0SWIFT TRANSPORTATION COMPANY OF ARIZONA LLC 54283P694839/IN
Feb 13, 2026TXII · Walk-around0SAN FRANCISCO TRUCKING LLC 3660061243C910/TX
Mar 21, 2025TXII · Walk-around0SAN FRANCISCO TRUCKING LLC 3660061243C910/TX
Nov 7, 2024TXII · Walk-around0SAN FRANCISCO TRUCKING LLC 3660061243C910/TX
Aug 23, 2024TXII · Walk-around0SAN FRANCISCO TRUCKING LLC 3660061243C910/TX
Aug 12, 2024TXII · Walk-around1SAN FRANCISCO TRUCKING LLC 3660061243C910/TX
Jun 7, 2024TXII · Walk-around0SAN FRANCISCO TRUCKING LLC 3660061243C910/TX
May 16, 2024TXI · Full0SAN FRANCISCO TRUCKING LLC 3660061243C910/TX
Mar 26, 2024TXII · Walk-around1SAN FRANCISCO TRUCKING LLC 3660061243C910/TX
Jan 19, 2024TXII · Walk-around0SAN FRANCISCO TRUCKING LLC 3660061243C910/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SAN FRANCISCO TRUCKING LLC3660061Jan 19, 2024Jul 31, 202612TX
SWIFT TRANSPORTATION COMPANY OF ARIZONA LLC54283Apr 9, 2026Apr 9, 20261AZ
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.
243C910TX2SAN FRANCISCO TRUCKING LLCJan 19, 2024Jul 31, 202612
P694839INSWIFT TRANSPORTATION COMPANY OF ARIZONA LLCApr 9, 2026Apr 9, 20261
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026