Equipment unit · VIN-decoded · NHTSA vPIC

2025 Polar tank trailer Polar Tank Trailer

1PMKF4326S1168939 · Trailer · TRAILER
Carriers run under2
11 mo
Inspections6
all-time
OOS inspections1
of 6
First seen03/12/2025
TX
Last seen02/23/2026
IA
Inspected under 2 different carriers in 11 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
1PMKF4326S1168939
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
06/23/2026
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 · 03/12/2025 – 02/23/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
02/23/2026IAII · Walk-around1OOSGROENDYKE TRANSPORT INC 4247DH4286/OK
01/04/2026WYII · Walk-around0—GROENDYKE TRANSPORT INC 4247DH4286/OK
10/01/2025OKII · Walk-around3—CUSTOM COMMODITIES INC 293238DH4286/OK
06/19/2025MIII · Walk-around1—CUSTOM COMMODITIES INC 293238DH4286/OK
04/23/2025UTI · Full3—CUSTOM COMMODITIES INC 293238DH4286/OK
03/12/2025TXI · Full2—CUSTOM COMMODITIES INC 293238DH4286/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GROENDYKE TRANSPORT INC424701/04/202602/23/20262OK
CUSTOM COMMODITIES INC29323803/12/202510/01/20254TX
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.
DH4286OK2GROENDYKE TRANSPORT INC01/04/2026 → 02/23/20262
DH4286OK—CUSTOM COMMODITIES INC03/12/2025 → 10/01/20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/23/2026