Equipment unit · VIN-decoded · NHTSA vPIC

1999 Polar tank trailer Polar Tank Trailer

1PMA34320X5001867 · Trailer · TRAILER
Carriers run under3
15 mo
Inspections3
all-time
OOS inspections2
of 3
First seenJan 28, 2025
TX
Last seenApr 17, 2026
US
Inspected under 3 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

VIN
1PMA34320X5001867
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
1999
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 26, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
02

Inspection history

Every roadside inspection of this VIN, newest first · Jan 28, 2025 – Apr 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 17, 2026USI · Full7OOSBLANCA ESTHER ALEJANDRO MARTINEZ 3339885181B483/TX
Feb 24, 2026TXII · Walk-around3—DELROS 4WHEEL LLC 4257239181B483/TX
Jan 28, 2025TXII · Walk-around1OOSPEGASUS INTERTRANSPORT LLC 3133806181B483/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BLANCA ESTHER ALEJANDRO MARTINEZ3339885Apr 17, 2026Apr 17, 20261TA
DELROS 4WHEEL LLC4257239Feb 24, 2026Feb 24, 20261TX
PEGASUS INTERTRANSPORT LLC3133806Jan 28, 2025Jan 28, 20251TX
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.
181B483TX—BLANCA ESTHER ALEJANDRO MARTINEZApr 17, 2026 → Apr 17, 20261
181B483TX—DELROS 4WHEEL LLCFeb 24, 2026 → Feb 24, 20261
181B483TX—PEGASUS INTERTRANSPORT LLCJan 28, 2025 → Jan 28, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026