Equipment unit · VIN-decoded · NHTSA vPIC

2015 Polar tank trailer Polar Tank Trailer

1PMS14226F1046023 · Trailer · TRAILER
Carriers run under3
33 mo
Inspections5
all-time
OOS inspections1
of 5
First seenSep 11, 2023
MN
Last seenJun 16, 2026
SD
Inspected under 3 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
1PMS14226F1046023
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
2015
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 11, 2023 – Jun 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 16, 2026SDII · Walk-around1OOSCARSTENSEN & SONS TRUCKING INC 285579STF4325/MN
Jan 2, 2025MNIII · Driver-only1—CARSTENSEN & SONS TRUCKING INC 2855792162STP/MN
Jul 10, 2024WIIII · Driver-only1—STIER TRUCKING LLC 15904212162STP/MN
Mar 18, 2024MNIII · Driver-only1—LIND BROTHERS SERVICES LLC 28595772162STP/MN
Sep 11, 2023MNIII · Driver-only1—STIER TRUCKING LLC 15904212162STP/MN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CARSTENSEN & SONS TRUCKING INC285579Jan 2, 2025Jun 16, 20262MN
STIER TRUCKING LLC1590421Sep 11, 2023Jul 10, 20242MN
LIND BROTHERS SERVICES LLC2859577Mar 18, 2024Mar 18, 20241MN
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.
STF4325MN2CARSTENSEN & SONS TRUCKING INCJun 16, 2026 → Jun 16, 20261
2162STPMN—CARSTENSEN & SONS TRUCKING INCJan 2, 2025 → Jan 2, 20251
2162STPMN—STIER TRUCKING LLCSep 11, 2023 → Jul 10, 20242
2162STPMN—LIND BROTHERS SERVICES LLCMar 18, 2024 → Mar 18, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026