Equipment unit · VIN-decoded · NHTSA vPIC

2024 Polar tank trailer Polar Tank Trailer

3H6KL4320R3123954 · Trailer · TRAILER
Carriers run under2
35 mo
Inspections6
all-time
OOS inspections1
of 6
First seenAug 25, 2023
NV
Last seenJul 23, 2026
CA
Inspected under 2 different carriers in 35 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
3H6KL4320R3123954
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
2024
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 29, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
View sourced platform decode
02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 25, 2023 – Jul 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 23, 2026CAI · Full0—AC WILLS TRANSPORT LLC 33178254VW9346/CA
May 20, 2026CAI · Full0—AC WILLS TRANSPORT LLC 33178254VW9346/CA
Sep 10, 2025CAI · Full5OOSAC WILLS TRANSPORT LLC 33178254VW9346/CA
Nov 23, 2024CAII · Walk-around0—KING D TRUCKING INC 9799834VW9346/CA
Dec 2, 2023CAI · Full1—KING D TRUCKING INC 97998336A15M/AZ
Aug 25, 2023NVII · Walk-around2—KING D TRUCKING INC 97998336A15M/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AC WILLS TRANSPORT LLC3317825Sep 10, 2025Jul 23, 20263CA
KING D TRUCKING INC979983Aug 25, 2023Nov 23, 20243CA
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.
4VW9346CA2AC WILLS TRANSPORT LLCSep 10, 2025 → Jul 23, 20263
4VW9346CA—KING D TRUCKING INCNov 23, 2024 → Nov 23, 20241
36A15MAZ—KING D TRUCKING INCAug 25, 2023 → Dec 2, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026