Equipment unit · VIN-decoded · NHTSA vPIC

2021 Doonan specialized trailer Doonan Specialized Trailer

1D9BG5321M1609223 · Trailer · TRAILER
Carriers run under2
22 mo
Inspections5
all-time
OOS inspections0
of 5
First seenJul 10, 2024
CA
Last seenMay 1, 2026
KY
Inspected under 2 different carriers in 22 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
1D9BG5321M1609223
Make
Doonan specialized trailer
Model
Doonan Specialized Trailer
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 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 · Jul 10, 2024 – May 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 1, 2026KYI · Full0—IOWA MOTOR TRUCK TRANSPORT INC 313015FJ2230/IA
Apr 15, 2026TNII · Walk-around0—IOWA MOTOR TRUCK TRANSPORT INC 313015FJ2230/IA
Dec 26, 2025TXII · Walk-around0—RML TRANSPORT INC 3180091FJ2230/IA
Feb 13, 2025TNIII · Driver-only0—IOWA MOTOR TRUCK TRANSPORT INC 313015FJ2230/IA
Jul 10, 2024CAI · Full2—IOWA MOTOR TRUCK TRANSPORT INC 313015FJ2230/IA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
IOWA MOTOR TRUCK TRANSPORT INC313015Jul 10, 2024May 1, 20264IA
RML TRANSPORT INC3180091Dec 26, 2025Dec 26, 20251PA
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.
FJ2230IA—IOWA MOTOR TRUCK TRANSPORT INCJul 10, 2024 → May 1, 20264
FJ2230IA—RML TRANSPORT INCDec 26, 2025 → Dec 26, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026