Equipment unit · VIN-decoded · NHTSA vPIC

2021 Polar tank trailer Polar Tank Trailer

1PMKA4426M7112061 · Trailer · TRAILER
Carriers run under1
24 mo
Inspections8
all-time
OOS inspections1
of 8
First seenMar 6, 2024
IA
Last seenMar 21, 2026
IA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMKA4426M7112061
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 17, 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 · Mar 6, 2024 – Mar 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 21, 2026IAI · Full1OOSROBERT & LARRY KNUTSON 2221082282STX/MN
Jan 13, 2026IAII · Walk-around0ROBERT & LARRY KNUTSON 2221082282STX/MN
May 16, 2025IAI · Full0ROBERT & LARRY KNUTSON 2221082282STX/MN
Sep 7, 2024IAI · Full0ROBERT & LARRY KNUTSON 2221082282STX/MN
Aug 20, 2024IAI · Full0ROBERT & LARRY KNUTSON 2221082282STX/MN
Jul 2, 2024IAII · Walk-around1ROBERT & LARRY KNUTSON 2221082282STX/MN
Mar 20, 2024IAII · Walk-around0ROBERT & LARRY KNUTSON 2221082282STX/MN
Mar 6, 2024IAII · Walk-around0ROBERT & LARRY KNUTSON 2221082282STX/MN
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROBERT & LARRY KNUTSON222108Mar 6, 2024Mar 21, 20268MN
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.
2282STXMNROBERT & LARRY KNUTSONMar 6, 2024Mar 21, 20268
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026