Equipment unit · VIN-decoded · NHTSA vPIC

2021 Doonan specialized trailer Doonan Specialized Trailer

1D9BG532XM1609429 · Trailer · TRAILER
Carriers run under2
15 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJan 29, 2024
IA
Last seenApr 1, 2025
NY
Inspected under 2 different carriers in 15 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
1D9BG532XM1609429
Make
Doonan specialized trailer
Model
Doonan Specialized Trailer
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 5, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
View sourced platform decode
02

Inspection history

Every roadside inspection of this VIN, newest first · Jan 29, 2024 – Apr 1, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 1, 2025NYII · Walk-around1—DWW TRUCKING LLC 42131665144528/ME
Jun 21, 2024IAII · Walk-around2OOSGRIMSBO TRUCKING INC 3213349KT6817/IA
Mar 5, 2024KSII · Walk-around0—GRIMSBO TRUCKING INC 3213349KT6817/IA
Jan 29, 2024IAII · Walk-around0—GRIMSBO TRUCKING INC 3213349KT6817/IA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DWW TRUCKING LLC4213166Apr 1, 2025Apr 1, 20251IA
GRIMSBO TRUCKING INC3213349Jan 29, 2024Jun 21, 20243MN
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.
5144528ME—DWW TRUCKING LLCApr 1, 2025 → Apr 1, 20251
KT6817IA—GRIMSBO TRUCKING INCJan 29, 2024 → Jun 21, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026