Equipment unit · VIN-decoded · NHTSA vPIC

2023 Polar tank trailer Polar Tank Trailer

3H6KR4327P3117340 · Trailer · TRAILER

Carriers run under3

35 mo

Inspections4

all-time

OOS inspections1

of 4

First seenJun 21, 2023

Last seenMay 28, 2026

Inspected under 3 different carriers in 35 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: 3H6KR4327P3117340
Make: Polar tank trailer
Model: Polar Tank Trailer
Model year: 2023
Body class: Trailer
Vehicle type: TRAILER
GVWR: Not decoded
Decoded at: Jul 12, 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 · Jun 21, 2023 – May 28, 2026

Date	State	Level	Viol.	OOS	Carrier (DOT)	Plate
May 28, 2026	SD	III · Driver-only	3	—	PAT DAVIS & SONS TRUCKING LLC 2859121	T910130/ND
Apr 23, 2025	ND	III · Driver-only	1	—	WWW TRUCKING LLC 2901958	T910130/ND
May 10, 2024	ND	III · Driver-only	2	OOS	DAN FIEDLER 1960739	T910130/ND
Jun 21, 2023	MN	III · Driver-only	2	—	DAN FIEDLER 1960739	T910130/ND

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

Carrier	DOT	First seen	Last seen	Insp.	State
PAT DAVIS & SONS TRUCKING LLC	2859121	May 28, 2026	May 28, 2026	1	ND
WWW TRUCKING LLC	2901958	Apr 23, 2025	Apr 23, 2025	1	ND
DAN FIEDLER	1960739	Jun 21, 2023	May 10, 2024	2	NE

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.
T910130	ND	—	PAT DAVIS & SONS TRUCKING LLC	May 28, 2026 → May 28, 2026	1
T910130	ND	—	WWW TRUCKING LLC	Apr 23, 2025 → Apr 23, 2025	1
T910130	ND	—	DAN FIEDLER	Jun 21, 2023 → May 10, 2024	2

Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026