Equipment unit · VIN-decoded · NHTSA vPIC

1992 Polar tank trailer Polar Tank Trailer

1PMS44229N1011885 · Trailer · TRAILER
Carriers run under3
31 mo
Inspections7
all-time
OOS inspections1
of 7
First seenNov 8, 2023
KY
Last seenJun 9, 2026
LA
Inspected under 3 different carriers in 31 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
1PMS44229N1011885
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
1992
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 23, 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 · Nov 8, 2023 – Jun 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 9, 2026LAII · Walk-around0—ALTOM TRANSPORT INC 2975725369223/ME
Oct 29, 2024TXII · Walk-around1OOSEVONIK CORPORATION 3957995008D729/TX
Jun 11, 2024ALII · Walk-around0—SERVICE TRANSPORT COMPANY 229662008D729/TX
May 21, 2024TXII · Walk-around0—SERVICE TRANSPORT COMPANY 229662008D729/TX
May 8, 2024COII · Walk-around0—SERVICE TRANSPORT COMPANY 229662008D729/TX
Apr 23, 2024VAI · Full0—SERVICE TRANSPORT COMPANY 229662008D729/TX
Nov 8, 2023KYI · Full0—SERVICE TRANSPORT COMPANY 229662008D729/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALTOM TRANSPORT INC297572Jun 9, 2026Jun 9, 20261IL
EVONIK CORPORATION3957995Oct 29, 2024Oct 29, 20241TX
SERVICE TRANSPORT COMPANY229662Nov 8, 2023Jun 11, 20245TX
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.
5369223ME2ALTOM TRANSPORT INCJun 9, 2026 → Jun 9, 20261
008D729TX—EVONIK CORPORATIONOct 29, 2024 → Oct 29, 20241
008D729TX2SERVICE TRANSPORT COMPANYNov 8, 2023 → Jun 11, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026