Equipment unit · VIN-decoded · NHTSA vPIC

2005 Polar Tank Trailer

1PMB1422752028610 · Trailer · TRAILER
Carriers run under2
34 mo
Inspections2
all-time
OOS inspections1
of 2
First seenJul 10, 2023
SC
Last seenMay 20, 2026
SC
Inspected under 2 different carriers in 34 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
1PMB1422752028610
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2005
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 29, 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
B1422

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
2005 or 2035

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

North American serial sequence
028610

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 · 83 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 83 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
2005

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 10, 2023 – May 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 20, 2026SCIII · Driver-only1R O HARRELL INC 84324105948PT/SC
Jul 10, 2023SCII · Walk-around2OOSSOUTHERN TANK TRANSPORT INC 54830433168PT/SC
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
R O HARRELL INC84324May 20, 2026May 20, 20261VA
SOUTHERN TANK TRANSPORT INC548304Jul 10, 2023Jul 10, 20231SC
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.
105948PTSCR O HARRELL INCMay 20, 2026May 20, 20261
33168PTSCSOUTHERN TANK TRANSPORT INCJul 10, 2023Jul 10, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 29, 2026