Equipment unit · VIN-decoded · NHTSA vPIC

2012 Southern Vac Trailers Llc

4S9V6TA25CG270087 · Trailer · TRAILER
Carriers run under2
36 mo
Inspections4
all-time
OOS inspections3
of 4
First seenAug 21, 2023
TX
Last seenAug 4, 2026
TX
Inspected under 2 different carriers in 36 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
4S9V6TA25CG270087
Make
Southern Vac Trailers Llc
Model
Southern Vac Trailers LLC
Model year
2012
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 8, 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
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1982 or 2012

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

North American serial sequence
270087

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
2012

Observed directly for this VIN via NHTSA vPIC.

Observed make
SOUTHERN VAC TRAILERS LLC

Observed directly for this VIN via NHTSA vPIC.

Observed model
Southern Vac Trailers LLC

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

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 21, 2023 – Aug 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 4, 2026TXII · Walk-around5OOSNITRO EXPRESS SERVICES LLC 4143225199C018/TX
May 12, 2026TXII · Walk-around3OOSNITRO EXPRESS SERVICES LLC 4143225199C018/TX
Jan 6, 2026TXII · Walk-around5HC CARRIERS LLC 3114138199C018/TX
Aug 21, 2023TXII · Walk-around9OOSHC CARRIERS LLC 3114138009B422/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NITRO EXPRESS SERVICES LLC4143225May 12, 2026Aug 4, 20262TX
HC CARRIERS LLC3114138Aug 21, 2023Jan 6, 20262TX
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.
199C018TX2NITRO EXPRESS SERVICES LLCMay 12, 2026Aug 4, 20262
199C018TXHC CARRIERS LLCJan 6, 2026Jan 6, 20261
009B422TXHC CARRIERS LLCAug 21, 2023Aug 21, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 8, 2026