Equipment unit · VIN-decoded · NHTSA vPIC

2014 Mississippi Tank Company

1M9PT9A23EH355504 · Trailer · TRAILER
Carriers run under1
21 mo
Inspections6
all-time
OOS inspections1
of 6
First seenSep 19, 2023
CA
Last seenJun 27, 2025
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M9PT9A23EH355504
Make
Mississippi Tank Company
Model
Mississippi Tank Company
Model year
2014
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 30, 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
PT9A2

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1984 or 2014

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

North American serial sequence
355504

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 · 170 decoded VINs at 100.0% prefix purity.

Model
Mississippi Tank Company

Prefix basis · 170 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
2014

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 · Sep 19, 2023 – Jun 27, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 27, 2025CAI · Full0ALLIED PROPANE TRANSPORTATION INC 4225434NE6174/CA
Feb 14, 2025CAIII · Driver-only0ALLIED PROPANE TRANSPORTATION INC 4225434NE6174/CA
Jan 29, 2025CAI · Full5OOSALLIED PROPANE TRANSPORTATION INC 4225434NE6174/CA
Oct 18, 2024CAII · Walk-around0ALLIED PROPANE TRANSPORTATION INC 4225434NE6174/CA
Sep 19, 2023CAV · Vehicle-only2ALLIED PROPANE TRANSPORTATION INC 4225434NE6174/CA
Sep 19, 2023CAIII · Driver-only0ALLIED PROPANE TRANSPORTATION INC 4225434NE6174/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALLIED PROPANE TRANSPORTATION INC422543Sep 19, 2023Jun 27, 20256CA
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.
4NE6174CA2ALLIED PROPANE TRANSPORTATION INCSep 19, 2023Jun 27, 20256
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 30, 2026