Equipment unit · VIN-decoded · NHTSA vPIC

2012 Polar Tank Trailer

1PMA24327C5009820 · Trailer · TRAILER
Carriers run under2
18 mo
Inspections8
all-time
OOS inspections2
of 8
First seenJan 3, 2025
TX
Last seenJul 16, 2026
TX
Inspected under 2 different carriers in 18 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
1PMA24327C5009820
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2012
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 23, 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
7 · valid

Deterministic · position 9; calculated value 7.

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
009820

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 · Jan 3, 2025 – Jul 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 16, 2026TXI · Full0CASEY'S SERVICES COMPANY 162449LR5611/IA
Jun 16, 2026TXI · Full0CASEY'S SERVICES COMPANY 162449LR5611/IA
May 21, 2026TXII · Walk-around0CASEY'S SERVICES COMPANY 162449LR5611/IA
Jan 2, 2026TXII · Walk-around2CASEY'S SERVICES COMPANY 162449LR5611/IA
Apr 22, 2025TXI · Full0GROUP PETROLEUM SERVICES INC 1720398132E55/TX
Mar 18, 2025TXI · Full2OOSGROUP PETROLEUM SERVICES INC 1720398110N89/TX
Jan 6, 2025TXII · Walk-around2OOSGROUP PETROLEUM SERVICES INC 1720398110N89/TX
Jan 3, 2025TXII · Walk-around0GROUP PETROLEUM SERVICES INC 1720398110N89/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CASEY'S SERVICES COMPANY162449Jan 2, 2026Jul 16, 20264IA
GROUP PETROLEUM SERVICES INC1720398Jan 3, 2025Apr 22, 20254TX
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.
LR5611IA2CASEY'S SERVICES COMPANYJan 2, 2026Jul 16, 20264
132E55TXGROUP PETROLEUM SERVICES INCApr 22, 2025Apr 22, 20251
110N89TXGROUP PETROLEUM SERVICES INCJan 3, 2025Mar 18, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026