Equipment unit · VIN-decoded · NHTSA vPIC

1PMB14126F5013839

Not yet decoded
Carriers run under2
19 mo
Inspections2
all-time
OOS inspections1
of 2
First seenJun 19, 2024
PA
Last seenJan 21, 2026
PA
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

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
B1412

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1985 or 2015

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

North American serial sequence
013839

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 · 64 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 64 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 · Jun 19, 2024 – Jan 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 21, 2026PAI · Full6OOSFRANK KERIS JR 3187036PT403V6/PA
Jun 19, 2024PAII · Walk-around3FENTON WELDING TRANSPORT LLC 2106940PT5536Y/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FRANK KERIS JR3187036Jan 21, 2026Jan 21, 20261PA
FENTON WELDING TRANSPORT LLC2106940Jun 19, 2024Jun 19, 20241PA
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.
PT403V6PAFRANK KERIS JRJan 21, 2026Jan 21, 20261
PT5536YPAFENTON WELDING TRANSPORT LLCJun 19, 2024Jun 19, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC