Equipment unit · VIN-decoded · NHTSA vPIC

2007 Polar Tank Trailer

1PMB1422575005862 · Trailer · TRAILER
Carriers run under2
28 mo
Inspections4
all-time
OOS inspections0
of 4
First seenApr 15, 2024
TX
Last seenAug 28, 2026
NM
Inspected under 2 different carriers in 28 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
1PMB1422575005862
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2007
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 26, 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
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
2007 or 2037

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

North American serial sequence
005862

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
2007

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 · Apr 15, 2024 – Aug 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 28, 2026NMI · Full0ROCKY MOUNTAIN TRANSPORTATION INC 354049BR5391/OK
Aug 13, 2024TXII · Walk-around0ROCKY MOUNTAIN TRANSPORTATION INC 354049BR5391/OK
Jun 10, 2024TXII · Walk-around0RC BONNING TRUCKING LLC 3789381BR5391/OK
Apr 15, 2024TXII · Walk-around0RC BONNING TRUCKING LLC 3789381BR5391/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROCKY MOUNTAIN TRANSPORTATION INC354049Aug 13, 2024Aug 28, 20262NM
RC BONNING TRUCKING LLC3789381Apr 15, 2024Jun 10, 20242AZ
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.
BR5391OK2ROCKY MOUNTAIN TRANSPORTATION INCAug 13, 2024Aug 28, 20262
BR5391OKRC BONNING TRUCKING LLCApr 15, 2024Jun 10, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026