Equipment unit · VIN-decoded · NHTSA vPIC

2021 Polar tank trailer Polar Tank Trailer

3H6KF4327M3109789 · Trailer · TRAILER
Carriers run under2
30 mo
Inspections5
all-time
OOS inspections1
of 5
First seenOct 3, 2023
TX
Last seenApr 30, 2026
TX
Inspected under 2 different carriers in 30 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
3H6KF4327M3109789
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 3, 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 · Oct 3, 2023 – Apr 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 30, 2026TXII · Walk-around2OOSMARTIN TRANSPORT INC 33094018F486/TX
Jul 1, 2025TXII · Walk-around0—MARTIN TRANSPORT INC 33094018F486/TX
Aug 2, 2024TXII · Walk-around0—MARTIN TRANSPORT INC 33094018F486/TX
Jan 30, 2024TXII · Walk-around1—TRANSPORTES SAL-AVE SA DE CV 610377018F486/TX
Oct 3, 2023TXI · Full1—MARTIN TRANSPORT INC 33094018F486/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARTIN TRANSPORT INC33094Oct 3, 2023Apr 30, 20264TX
TRANSPORTES SAL-AVE SA DE CV610377Jan 30, 2024Jan 30, 20241TA
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.
018F486TX2MARTIN TRANSPORT INCOct 3, 2023 → Apr 30, 20264
018F486TX—TRANSPORTES SAL-AVE SA DE CVJan 30, 2024 → Jan 30, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 3, 2026