Equipment unit · VIN-decoded · NHTSA vPIC

2026 Polar tank trailer Polar Tank Trailer

3H6KS4121T3168348 · Trailer · TRAILER
Carriers run under1
9 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJun 25, 2025
TX
Last seenMar 19, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3H6KS4121T3168348
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
2026
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 25, 2025 – Mar 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 19, 2026TXI · Full0—BEST BLOCK LLC 23845795524003/ME
Feb 17, 2026TXII · Walk-around0—BEST BLOCK LLC 23845795524003/ME
Jun 25, 2025TXII · Walk-around0—BEST BLOCK LLC 23845795524003/ME
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BEST BLOCK LLC2384579Jun 25, 2025Mar 19, 20263GA
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.
5524003ME—BEST BLOCK LLCJun 25, 2025 → Mar 19, 20263
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 5, 2026