Equipment unit · VIN-decoded · NHTSA vPIC

2020 Polar tank trailer Polar Tank Trailer

1PMKA4521L7108447 · Trailer · TRAILER
Carriers run under2
33 mo
Inspections6
all-time
OOS inspections1
of 6
First seen09/04/2023
IL
Last seen06/10/2026
MS
Inspected under 2 different carriers in 33 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
1PMKA4521L7108447
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
2020
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
06/22/2026
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 · 09/04/2023 – 06/10/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
06/10/2026MSI · Full0WINDERS TRUCKING LLC 2948096PT242844/AR
03/31/2025TNI · Full0WINDERS TRUCKING LLC 2948096PT242844/AR
03/14/2025TNI · Full0WINDERS TRUCKING LLC 2948096PT242844/AR
05/09/2024ILI · Full1OOSDIMMITT TRANSFER INC 2803923625222ST/IL
04/23/2024ILIII · Driver-only0DIMMITT TRANSFER INC 2803923625222ST/IL
09/04/2023ILIII · Driver-only1DIMMITT TRANSFER INC 2803923625222ST/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WINDERS TRUCKING LLC294809603/14/202506/10/20263AR
DIMMITT TRANSFER INC280392309/04/202305/09/20243IL
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.
PT242844ARWINDERS TRUCKING LLC03/14/202506/10/20263
625222STILDIMMITT TRANSFER INC09/04/202305/09/20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/22/2026