Equipment unit · VIN-decoded · NHTSA vPIC

2012 Mississippi Tank Company

1M9AT0W33CH355213 · Trailer · TRAILER
Carriers run under2
30 mo
Inspections2
all-time
OOS inspections0
of 2
First seenDec 20, 2023
MT
Last seenJun 9, 2026
ND
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
1M9AT0W33CH355213
Make
Mississippi Tank Company
Model
Mississippi Tank Company
Model year
2012
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 25, 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
1M9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AT0W3

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
355213

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
MISSISSIPPI TANK COMPANY

Prefix basis · 9 decoded VINs at 100.0% prefix purity.

Model
Mississippi Tank Company

Prefix basis · 9 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
MISSISSIPPI TANK COMPANY

Observed directly for this VIN via NHTSA vPIC.

Observed model
Mississippi Tank Company

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 · Dec 20, 2023 – Jun 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 9, 2026NDIII · Driver-only1PETROLEUM TRANSPORT SERVICE LLC 4135397T919111/ND
Dec 20, 2023MTII · Walk-around01776 LLC 3648176T919111/ND
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PETROLEUM TRANSPORT SERVICE LLC4135397Jun 9, 2026Jun 9, 20261ND
1776 LLC3648176Dec 20, 2023Dec 20, 20231ND
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.
T919111NDPETROLEUM TRANSPORT SERVICE LLCJun 9, 2026Jun 9, 20261
T919111ND1776 LLCDec 20, 2023Dec 20, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 25, 2026