Equipment unit · VIN-decoded · NHTSA vPIC

1PMKF4320R1126213

Not yet decoded
Carriers run under2
2 mo
Inspections2
all-time
OOS inspections1
of 2
First seenFeb 27, 2025
TN
Last seenApr 18, 2025
IN
Inspected under 2 different carriers in 2 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
KF432

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

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
126213

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 · 164 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 164 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.

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 · Feb 27, 2025 – Apr 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 18, 2025INIII · Driver-only4OOSMAC XPRESS LLC 3882793PC69632/IN
Feb 27, 2025TNIII · Driver-only0FREIBURGER AND SONS TRANSPORTATION LLC 1964695PC69632/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MAC XPRESS LLC3882793Apr 18, 2025Apr 18, 20251IN
FREIBURGER AND SONS TRANSPORTATION LLC1964695Feb 27, 2025Feb 27, 20251IN
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.
PC69632INMAC XPRESS LLCApr 18, 2025Apr 18, 20251
PC69632INFREIBURGER AND SONS TRANSPORTATION LLCFeb 27, 2025Feb 27, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC