Equipment unit · VIN-decoded · NHTSA vPIC

1PMS34321F1046021

Not yet decoded
Carriers run under2
27 mo
Inspections2
all-time
OOS inspections1
of 2
First seenNov 1, 2023
TX
Last seenFeb 9, 2026
TX
Inspected under 2 different carriers in 27 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
S3432

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
046021

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 · 526 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 526 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 · Nov 1, 2023 – Feb 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 9, 2026TXI · Full0ANDREWS LOGISTICS TEXAS LP 736714232B181/TX
Nov 1, 2023TXII · Walk-around2OOSB K T TRUCKING INC 2541206232B181/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ANDREWS LOGISTICS TEXAS LP736714Feb 9, 2026Feb 9, 20261TX
B K T TRUCKING INC2541206Nov 1, 2023Nov 1, 20231IL
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.
232B181TX2ANDREWS LOGISTICS TEXAS LPFeb 9, 2026Feb 9, 20261
232B181TXB K T TRUCKING INCNov 1, 2023Nov 1, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC