Equipment unit · VIN-decoded · NHTSA vPIC

1M9AT0W31CH355212

Not yet decoded
Carriers run under1
15 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJan 11, 2025
ND
Last seenApr 29, 2026
ND
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
1M9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AT0W3

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
355212

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.

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 11, 2025 – Apr 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 29, 2026NDIII · Driver-only1PETROLEUM TRANSPORT SERVICE LLC 4135397T919110/ND
Jan 11, 2025NDIII · Driver-only1PETROLEUM TRANSPORT SERVICE LLC 4135397T919110/ND
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PETROLEUM TRANSPORT SERVICE LLC4135397Jan 11, 2025Apr 29, 20262ND
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.
T919110NDPETROLEUM TRANSPORT SERVICE LLCJan 11, 2025Apr 29, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC