Equipment unit · VIN-decoded · NHTSA vPIC

2019 Polar tank trailer Polar Tank Trailer

3H6KF4328K3051592 · Trailer · TRAILER
Carriers run under2
20 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJun 17, 2024
TX
Last seenFeb 10, 2026
AL
Inspected under 2 different carriers in 20 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
3H6KF4328K3051592
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
2019
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 5, 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 · Jun 17, 2024 – Feb 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 10, 2026ALII · Walk-around1—MARTIN TRANSPORT INC 33094035D441/TX
Oct 29, 2025KYI · Full0—MARTIN TRANSPORT INC 33094035D441/TX
Jun 17, 2024TXII · Walk-around3OOSTRANSPORTES SAL-AVE SA DE CV 610377017F197/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARTIN TRANSPORT INC33094Oct 29, 2025Feb 10, 20262TX
TRANSPORTES SAL-AVE SA DE CV610377Jun 17, 2024Jun 17, 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.
035D441TX2MARTIN TRANSPORT INCOct 29, 2025 → Feb 10, 20262
017F197TX—TRANSPORTES SAL-AVE SA DE CVJun 17, 2024 → Jun 17, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 5, 2026