Equipment unit · VIN-decoded · NHTSA vPIC

2025 Polar tank trailer Polar Tank Trailer

1PMKW4522S6051567 · Trailer · TRAILER
Carriers run under2
15 mo
Inspections4
all-time
OOS inspections1
of 4
First seen12/29/2024
NC
Last seen03/25/2026
NY
Inspected under 2 different carriers in 15 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
1PMKW4522S6051567
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
07/07/2026
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 · 12/29/2024 – 03/25/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
03/25/2026NYI · Full0NORTHERN GAS TRANSPORT INC 863105578337/ME
09/12/2025MAI · Full4NORTHERN GAS TRANSPORT INC 863105578337/ME
01/27/2025SCII · Walk-around5OOSMARSH LP GAS INC 984574577190T/TN
12/29/2024NCII · Walk-around0MARSH LP GAS INC 984574577190T/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NORTHERN GAS TRANSPORT INC8631009/12/202503/25/20262VT
MARSH LP GAS INC98457412/29/202401/27/20252TN
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.
5578337MENORTHERN GAS TRANSPORT INC09/12/202503/25/20262
577190TTNMARSH LP GAS INC12/29/202401/27/20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/07/2026