Equipment unit · VIN-decoded · NHTSA vPIC

2004 Polar Tank Trailer

1PMS1442741027281 · Trailer · TRAILER
Carriers run under3
21 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJul 18, 2023
NE
Last seenApr 12, 2025
MO
Inspected under 3 different carriers in 21 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
1PMS1442741027281
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2004
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 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
S1442

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
2004 or 2034

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

North American serial sequence
027281

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 · 24 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 24 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
2004

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 18, 2023 – Apr 12, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 12, 2025MOIII · Driver-only1FALKENA LLC 3395442EM7497/IA
Mar 14, 2025NEIII · Driver-only1B & L TRANSPORT INC 704025EM7497/IA
Dec 23, 2024NEIII · Driver-only2OOSFALKENA LLC 3395442EM7497/IA
Jul 18, 2023NEIII · Driver-only4JAMES THIES 1195294EM7497/IA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FALKENA LLC3395442Dec 23, 2024Apr 12, 20252IA
B & L TRANSPORT INC704025Mar 14, 2025Mar 14, 20251IA
JAMES THIES1195294Jul 18, 2023Jul 18, 20231IA
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.
EM7497IAFALKENA LLCDec 23, 2024Apr 12, 20252
EM7497IAB & L TRANSPORT INCMar 14, 2025Mar 14, 20251
EM7497IAJAMES THIESJul 18, 2023Jul 18, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026