Equipment unit · VIN-decoded · NHTSA vPIC

1999 Polar tank trailer Polar Tank Trailer

1PMS54222X1021187 · Trailer · TRAILER
Carriers run under2
17 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJun 4, 2024
WI
Last seenNov 19, 2025
WI
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
1PMS54222X1021187
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
1999
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.
02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 4, 2024 – Nov 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 19, 2025WIIII · Driver-only2—OLSON CARRIERS INC 252915FB7435/IA
Jun 19, 2024WIII · Walk-around4OOSRA-LY TRANSPORTS LLC 974808FB7439/IA
Jun 4, 2024WIIII · Driver-only1—RA-LY TRANSPORTS LLC 974808FB7439/IA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OLSON CARRIERS INC252915Nov 19, 2025Nov 19, 20251MN
RA-LY TRANSPORTS LLC974808Jun 4, 2024Jun 19, 20242IA
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.
FB7435IA—OLSON CARRIERS INCNov 19, 2025 → Nov 19, 20251
FB7439IA—RA-LY TRANSPORTS LLCJun 4, 2024 → Jun 19, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026
1999 Polar tank trailer Polar Tank Trailer — VIN 1PMS54222X1021187