Equipment unit · VIN-decoded · NHTSA vPIC

2024 Polar Tank Trailer

1PMKA442XR7123135 · Trailer · TRAILER
Carriers run under2
24 mo
Inspections6
all-time
OOS inspections0
of 6
First seenApr 29, 2024
OH
Last seenApr 16, 2026
OH
Inspected under 2 different carriers in 24 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
1PMKA442XR7123135
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2024
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 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
KA442

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1994 or 2024

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

North American serial sequence
123135

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 · 387 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 387 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
2024

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 29, 2024 – Apr 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 16, 2026OHII · Walk-around0R J WRIGHT & SONS LTD 440743TSF2372/OH
Apr 14, 2026OHI · Full0R J WRIGHT & SONS LTD 440743TSF2372/OH
Apr 9, 2026OHII · Walk-around0R J WRIGHT & SONS LTD 440743TSF2372/OH
Jan 17, 2025OHII · Walk-around0R J WRIGHT & SONS LTD 440743TSF2372/OH
Jan 10, 2025OHII · Walk-around0DELILLE OXYGEN COMPANY 390728TSF2372/OH
Apr 29, 2024OHII · Walk-around0R J WRIGHT & SONS LTD 440743TSF2372/OH
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
R J WRIGHT & SONS LTD440743Apr 29, 2024Apr 16, 20265OH
DELILLE OXYGEN COMPANY390728Jan 10, 2025Jan 10, 20251OH
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.
TSF2372OHR J WRIGHT & SONS LTDApr 29, 2024Apr 16, 20265
TSF2372OH2DELILLE OXYGEN COMPANYJan 10, 2025Jan 10, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026