Equipment unit · VIN-decoded · NHTSA vPIC

2025 Polar tank trailer Polar Tank Trailer

3H6KL4323S3168053 · Trailer · TRAILER
Carriers run under2
23 mo
Inspections6
all-time
OOS inspections3
of 6
First seenJun 5, 2024
AZ
Last seenMay 14, 2026
AZ
Inspected under 2 different carriers in 23 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
3H6KL4323S3168053
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 24, 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 5, 2024 – May 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 14, 2026AZII · Walk-around7OOSPINA TRANSPORT LLC 3760792L1A1SZ/AZ
Feb 16, 2026AZII · Walk-around3—ROBLES LOGISTICS LLC 3863036L1A1SZ/AZ
Aug 26, 2025AZII · Walk-around9OOSROBLES LOGISTICS LLC 3863036L1A1SZ/AZ
Apr 21, 2025AZII · Walk-around1OOSROBLES LOGISTICS LLC 3863036L1A1SZ/AZ
Jan 23, 2025AZIII · Driver-only5—ROBLES LOGISTICS LLC 3863036L1A1SZ/AZ
Jun 5, 2024AZII · Walk-around2—ROBLES LOGISTICS LLC 3863036D2A5VW/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PINA TRANSPORT LLC3760792May 14, 2026May 14, 20261AZ
ROBLES LOGISTICS LLC3863036Jun 5, 2024Feb 16, 20265AZ
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.
L1A1SZAZ—PINA TRANSPORT LLCMay 14, 2026 → May 14, 20261
L1A1SZAZ—ROBLES LOGISTICS LLCJan 23, 2025 → Feb 16, 20264
D2A5VWAZ—ROBLES LOGISTICS LLCJun 5, 2024 → Jun 5, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026