Equipment unit · VIN-decoded · NHTSA vPIC

1PMB1422135003374

Not yet decoded
Carriers run under2
15 mo
Inspections2
all-time
OOS inspections1
of 2
First seenFeb 22, 2024
TX
Last seenMay 14, 2025
TX
Inspected under 2 different carriers in 15 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
B1422

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
2003 or 2033

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

North American serial sequence
003374

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 · 83 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 83 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 22, 2024 – May 14, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 14, 2025TXII · Walk-around2R A D TRUCKING LTD 1152201DP5751/OK
Feb 22, 2024TXI · Full7OOSALAMO TRANSIT COMPANY 1941898Y54409/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
R A D TRUCKING LTD1152201May 14, 2025May 14, 20251TX
ALAMO TRANSIT COMPANY1941898Feb 22, 2024Feb 22, 20241TX
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.
DP5751OKR A D TRUCKING LTDMay 14, 2025May 14, 20251
Y54409TXALAMO TRANSIT COMPANYFeb 22, 2024Feb 22, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC