Equipment unit · VIN-decoded · NHTSA vPIC

2023 Polar tank trailer Polar Tank Trailer

1PMKW4529P6115482 · Trailer · TRAILER
Carriers run under3
30 mo
Inspections5
all-time
OOS inspections0
of 5
First seenSep 18, 2023
CA
Last seenMar 26, 2026
AK
Inspected under 3 different carriers in 30 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
1PMKW4529P6115482
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 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 · Sep 18, 2023 – Mar 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 26, 2026AKII · Walk-around1—WEAVER BROTHERS INC 1251344VK7076/CA
Jul 2, 2024CAV · Vehicle-only0—NATIONAL PROPANE LLC 42363014VK7076/CA
May 22, 2024CAI · Full0—SILVER VALLEY PROPANE INC 22666954VK7076/CA
Jan 15, 2024CAI · Full0—SILVER VALLEY PROPANE INC 22666954VK7076/CA
Sep 18, 2023CAI · Full0—SILVER VALLEY PROPANE INC 22666954VK7076/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WEAVER BROTHERS INC125134Mar 26, 2026Mar 26, 20261AK
NATIONAL PROPANE LLC4236301Jul 2, 2024Jul 2, 20241CA
SILVER VALLEY PROPANE INC2266695Sep 18, 2023May 22, 20243CA
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.
4VK7076CA2WEAVER BROTHERS INCMar 26, 2026 → Mar 26, 20261
4VK7076CA—NATIONAL PROPANE LLCJul 2, 2024 → Jul 2, 20241
4VK7076CA—SILVER VALLEY PROPANE INCSep 18, 2023 → May 22, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026