Equipment unit · VIN-decoded · NHTSA vPIC

2003 Polar tank trailer Polar Tank Trailer

1PMA1432231026633 · Trailer · TRAILER
Carriers run under2
23 mo
Inspections7
all-time
OOS inspections2
of 7
First seenJul 10, 2024
US
Last seenJun 19, 2026
CA
Inspected under 2 different carriers in 23 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
1PMA1432231026633
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
2003
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 22, 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 · Jul 10, 2024 – Jun 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 19, 2026CAII · Walk-around2OOSMGJ TRANSPORT LLC 40164114MA7984/CA
Oct 28, 2025CAII · Walk-around3—SOUTHBAY TRANSPORT INC 18379734MA7984/CA
Oct 13, 2025CAII · Walk-around2—SOUTHBAY TRANSPORT INC 18379734MA7984/CA
Oct 1, 2025CAI · Full0—SOUTHBAY TRANSPORT INC 18379734MA7984/CA
Sep 23, 2025CAI · Full0—SOUTHBAY TRANSPORT INC 18379734MA7984/CA
Sep 18, 2025CAI · Full2OOSSOUTHBAY TRANSPORT INC 18379734MA7984/CA
Jul 10, 2024USI · Full1—SOUTHBAY TRANSPORT INC 18379734MA7984/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MGJ TRANSPORT LLC4016411Jun 19, 2026Jun 19, 20261AZ
SOUTHBAY TRANSPORT INC1837973Jul 10, 2024Oct 28, 20256CA
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.
4MA7984CA2MGJ TRANSPORT LLCJun 19, 2026 → Jun 19, 20261
4MA7984CA—SOUTHBAY TRANSPORT INCJul 10, 2024 → Oct 28, 20256
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026