Equipment unit · VIN-decoded · NHTSA vPIC

2022 Polar tank trailer Polar Tank Trailer

3H6KF4323N3118216 · Trailer · TRAILER
Carriers run under2
25 mo
Inspections7
all-time
OOS inspections0
of 7
First seenMar 28, 2024
IA
Last seenApr 17, 2026
IA
Inspected under 2 different carriers in 25 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
3H6KF4323N3118216
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
2022
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 21, 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 · Mar 28, 2024 – Apr 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 17, 2026IAI · Full0—QUEST LINER INC 1609038815113/WI
Apr 7, 2026MOII · Walk-around1—QUEST LINER INC 1609038815113/WI
Sep 30, 2025TXI · Full0—QUEST LINER INC 1609038815113/WI
Aug 10, 2024MOII · Walk-around0—QUEST LINER INC 1609038815113/WI
Apr 8, 2024IAII · Walk-around1—QUEST LINER INC 1609038815113/WI
Mar 31, 2024KSII · Walk-around0—HEWITT INTERIORS INC 1608038815113/WI
Mar 28, 2024IAII · Walk-around0—QUEST LINER INC 1609038815113/WI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
QUEST LINER INC1609038Mar 28, 2024Apr 17, 20266IA
HEWITT INTERIORS INC1608038Mar 31, 2024Mar 31, 20241IN
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.
815113WI—QUEST LINER INCMar 28, 2024 → Apr 17, 20266
815113WI—HEWITT INTERIORS INCMar 31, 2024 → Mar 31, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026