Equipment unit · VIN-decoded · NHTSA vPIC

2025 Polar tank trailer Polar Tank Trailer

1PMKL4427S1168228 · Trailer · TRAILER
Carriers run under2
17 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJan 8, 2025
ND
Last seenJun 6, 2026
IA
Inspected under 2 different carriers in 17 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
1PMKL4427S1168228
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 7, 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 · Jan 8, 2025 – Jun 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 6, 2026IAII · Walk-around2—JACOBSON TRANSPORT INC 490378T924506/ND
Feb 17, 2026SDIII · Driver-only1—SCHWANTES TRANSPORT LLC 3941068T924506/ND
Dec 11, 2025SDIII · Driver-only0—JACOBSON TRANSPORT INC 490378T924506/ND
Jan 8, 2025NDIII · Driver-only1—JACOBSON TRANSPORT INC 490378T924506/ND
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JACOBSON TRANSPORT INC490378Jan 8, 2025Jun 6, 20263ND
SCHWANTES TRANSPORT LLC3941068Feb 17, 2026Feb 17, 20261SD
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.
T924506ND—JACOBSON TRANSPORT INCJan 8, 2025 → Jun 6, 20263
T924506ND—SCHWANTES TRANSPORT LLCFeb 17, 2026 → Feb 17, 20261
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026