Equipment unit · VIN-decoded · NHTSA vPIC

2025 Polar tank trailer Polar Tank Trailer

3H6KL4320S3168057 · Trailer · TRAILER
Carriers run under2
13 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJul 1, 2024
AZ
Last seenAug 19, 2025
AZ
Inspected under 2 different carriers in 13 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
3H6KL4320S3168057
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 12, 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 · Jul 1, 2024 – Aug 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 19, 2025AZII · Walk-around7—LD2 TRANSPORT LLC 25976045DA5YY/AZ
Oct 18, 2024NMII · Walk-around1—MUS TRANSPORT SERVICES LLC 3926487DZA3VW/AZ
Jul 24, 2024NMII · Walk-around0—MUS TRANSPORT SERVICES LLC 3926487DZA3VW/AZ
Jul 1, 2024AZII · Walk-around1—MUS TRANSPORT SERVICES LLC 3926487DZA3VW/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LD2 TRANSPORT LLC2597604Aug 19, 2025Aug 19, 20251AZ
MUS TRANSPORT SERVICES LLC3926487Jul 1, 2024Oct 18, 20243AZ
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.
5DA5YYAZ—LD2 TRANSPORT LLCAug 19, 2025 → Aug 19, 20251
DZA3VWAZ—MUS TRANSPORT SERVICES LLCJul 1, 2024 → Oct 18, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026