Equipment unit · VIN-decoded · NHTSA vPIC

2018 Polar Tank Trailer

1PMS34221J1009285 · TRAILER
Carriers run under2
19 mo
Inspections6
all-time
OOS inspections0
of 6
First seenOct 9, 2023
NM
Last seenMay 20, 2025
NM
Inspected under 2 different carriers in 19 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
1PMS34221J1009285
Make
Polar Tank Trailer
Model
Not decoded
Model year
2018
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 7, 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
S3422

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1988 or 2018

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

North American serial sequence
009285

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 · 246 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 246 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
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
POLAR TANK TRAILER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

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 · Oct 9, 2023 – May 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 20, 2025NMIII · Driver-only0BLT TRUCKING LLC 21885445300066/ME
Jul 20, 2024NMIII · Driver-only0RIO VALLEY BIOFUEL TRANSPORT INC 23355132247533/ME
Jul 19, 2024CAIII · Driver-only0RIO VALLEY BIOFUEL TRANSPORT INC 23355135300066/ME
Mar 12, 2024NMII · Walk-around0RIO VALLEY BIOFUEL TRANSPORT INC 23355132247533/ME
Jan 17, 2024AZIII · Driver-only2RIO VALLEY BIOFUEL TRANSPORT INC 23355132247533/ME
Oct 9, 2023NMII · Walk-around0RIO VALLEY BIOFUEL TRANSPORT INC 23355132247533/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BLT TRUCKING LLC2188544May 20, 2025May 20, 20251NM
RIO VALLEY BIOFUEL TRANSPORT INC2335513Oct 9, 2023Jul 20, 20245TX
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.
5300066MEBLT TRUCKING LLCMay 20, 2025May 20, 20251
2247533MERIO VALLEY BIOFUEL TRANSPORT INCOct 9, 2023Jul 20, 20244
5300066MERIO VALLEY BIOFUEL TRANSPORT INCJul 19, 2024Jul 19, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 7, 2026