Equipment unit · VIN-decoded · NHTSA vPIC

2021 Polar tank trailer Polar Tank Trailer

1PMKW4521M6101894 · Trailer · TRAILER

Carriers run under2

21 mo

Inspections3

all-time

OOS inspections0

of 3

First seenSep 20, 2023

Last seenJun 26, 2025

Inspected under 2 different carriers in 21 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.

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN: 1PMKW4521M6101894
Make: Polar tank trailer
Model: Polar Tank Trailer
Model year: 2021
Body class: Trailer
Vehicle type: TRAILER
GVWR: Not decoded
Decoded at: Jul 26, 2026

vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.

Inspection history

Every roadside inspection of this VIN, newest first · Sep 20, 2023 – Jun 26, 2025

Date	State	Level	Viol.	OOS	Carrier (DOT)	Plate
Jun 26, 2025	NM	III · Driver-only	1	—	D G EXPRESS TRANSPORTS LLC 4347866	J805133/LA
Dec 5, 2024	TX	I · Full	3	—	GRAMMER LOGISTICS INC 184668	J805133/LA
Sep 20, 2023	CO	III · Driver-only	0	—	GRAMMER LOGISTICS INC 184668	J805133/LA

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

Carrier	DOT	First seen	Last seen	Insp.	State
D G EXPRESS TRANSPORTS LLC	4347866	Jun 26, 2025	Jun 26, 2025	1	TX
GRAMMER LOGISTICS INC	184668	Sep 20, 2023	Dec 5, 2024	2	IN

Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.

Plate & unit-number history

The same truck under different plate registrations across carriers

Plate	State / prov.	Unit no.	Carrier	Date range	Insp.
J805133	LA	—	D G EXPRESS TRANSPORTS LLC	Jun 26, 2025 → Jun 26, 2025	1
J805133	LA	2	GRAMMER LOGISTICS INC	Sep 20, 2023 → Dec 5, 2024	2

Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026