Equipment unit · VIN-decoded · NHTSA vPIC

2012 Polar Tank Trailer

1PMA24329C5010791 · Trailer · TRAILER
Carriers run under1
17 mo
Inspections6
all-time
OOS inspections1
of 6
First seenJul 11, 2023
CO
Last seenDec 13, 2024
CO
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMA24329C5010791
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2012
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 22, 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
1PM

Deterministic · VIN positions 1–3.

Vehicle descriptor section
A2432

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

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
010791

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
POLAR TANK TRAILER

Prefix basis · 237 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 237 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
POLAR TANK TRAILER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Polar Tank Trailer

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 · Jul 11, 2023 – Dec 13, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 13, 2024COI · Full0ALTA TRANSPORTATION LLC 1188080TG1230/ID
Aug 12, 2024COII · Walk-around0ALTA TRANSPORTATION LLC 1188080TG1230/ID
Jun 7, 2024NMI · Full0ALTA TRANSPORTATION LLC 1188080TG1230/ID
May 5, 2024NMII · Walk-around1OOSALTA TRANSPORTATION LLC 1188080TG1230/ID
Apr 5, 2024COI · Full1ALTA TRANSPORTATION LLC 1188080TG1233/ID
Jul 11, 2023COIII · Driver-only0ALTA TRANSPORTATION LLC 1188080TG1230/ID
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALTA TRANSPORTATION LLC1188080Jul 11, 2023Dec 13, 20246CO
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.
TG1230IDALTA TRANSPORTATION LLCJul 11, 2023Dec 13, 20245
TG1233IDALTA TRANSPORTATION LLCApr 5, 2024Apr 5, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026