Equipment unit · VIN-decoded · NHTSA vPIC

2023 Polar tank trailer Polar Tank Trailer

1PMKR4326P1121828 · Trailer · TRAILER
Carriers run under2
24 mo
Inspections3
all-time
OOS inspections0
of 3
First seenDec 9, 2023
TX
Last seenDec 8, 2025
TX
Inspected under 2 different carriers in 24 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
1PMKR4326P1121828
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
2023
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 · Dec 9, 2023 – Dec 8, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 8, 2025TXII · Walk-around1CIRCLE BAR A INC 1937828133S14/TX
Aug 13, 2024TXII · Walk-around0CIRCLE BAR A INC 1937828127J16/TX
Dec 9, 2023TXII · Walk-around1ROCKIN Y LLC 2046522127J16/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CIRCLE BAR A INC1937828Aug 13, 2024Dec 8, 20252TX
ROCKIN Y LLC2046522Dec 9, 2023Dec 9, 20231TX
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.
133S14TXCIRCLE BAR A INCDec 8, 2025Dec 8, 20251
127J16TXCIRCLE BAR A INCAug 13, 2024Aug 13, 20241
127J16TXROCKIN Y LLCDec 9, 2023Dec 9, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026