Equipment unit · VIN-decoded · NHTSA vPIC

2021 Polar tank trailer Polar Tank Trailer

1PMKF4325M1113790 · Trailer · TRAILER

Carriers run under2

33 mo

Inspections3

all-time

OOS inspections1

of 3

First seenAug 14, 2023

Last seenMay 13, 2026

Inspected under 2 different carriers in 33 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.

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN: 1PMKF4325M1113790
Make: Polar tank trailer
Model: Polar Tank Trailer
Model year: 2021
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.

Inspection history

Every roadside inspection of this VIN, newest first · Aug 14, 2023 – May 13, 2026

Date	State	Level	Viol.	OOS	Carrier (DOT)	Plate
May 13, 2026	LA	II · Walk-around	0	—	MARTIN TRANSPORT INC 33094	018F504/TX
Nov 4, 2024	AL	II · Walk-around	2	OOS	MARTIN TRANSPORT INC 33094	018F504/TX
Aug 14, 2023	US	I · Full	0	—	TRANSPORTES SAL-AVE SA DE CV 610377	018F504/TX

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

Carrier	DOT	First seen	Last seen	Insp.	State
MARTIN TRANSPORT INC	33094	Nov 4, 2024	May 13, 2026	2	TX
TRANSPORTES SAL-AVE SA DE CV	610377	Aug 14, 2023	Aug 14, 2023	1	TA

Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.

Plate & unit-number history

The same truck under different plate registrations across carriers

Plate	State / prov.	Unit no.	Carrier	Date range	Insp.
018F504	TX	2	MARTIN TRANSPORT INC	Nov 4, 2024 → May 13, 2026	2
018F504	TX	—	TRANSPORTES SAL-AVE SA DE CV	Aug 14, 2023 → Aug 14, 2023	1

Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026