Equipment unit · VIN-decoded · NHTSA vPIC

2021 Polar tank trailer Polar Tank Trailer

3H6KF4329M3113181 · Trailer · TRAILER
Carriers run under1
16 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJun 11, 2024
AZ
Last seenOct 13, 2025
AZ
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3H6KF4329M3113181
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
2021
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 11, 2024 – Oct 13, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 13, 2025AZII · Walk-around0CTI INC 139548V8A8CHA/AZ
Jun 18, 2025AZI · Full0CTI INC 139548V8A8CHA/AZ
Jun 11, 2024AZII · Walk-around2CTI INC 139548V8A8CHA/AZ
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CTI INC139548Jun 11, 2024Oct 13, 20253AZ
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.
V8A8CHAAZ2CTI INCJun 11, 2024Oct 13, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 5, 2026