Equipment unit · VIN-decoded · NHTSA vPIC

2020 Doonan specialized trailer Doonan Specialized Trailer

1D9BG4827L1609521 · Trailer · TRAILER
Carriers run under2
14 mo
Inspections5
all-time
OOS inspections1
of 5
First seenJul 3, 2024
TX
Last seenSep 19, 2025
TX
Inspected under 2 different carriers in 14 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
1D9BG4827L1609521
Make
Doonan specialized trailer
Model
Doonan Specialized Trailer
Model year
2020
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.
02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 3, 2024 – Sep 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 19, 2025TXIII · Driver-only0—CIRCLE C EQUIPMENT LLC 3004394CS3230/OK
May 23, 2025KYIII · Driver-only2—CIRCLE C EQUIPMENT LLC 3004394CS3230/OK
Dec 17, 2024OKI · Full3—CIRCLE C EQUIPMENT LLC 3004394CS3230/OK
Dec 3, 2024SDII · Walk-around3OOSCIRCLE C EQUIPMENT LLC 3004394CS3230/OK
Jul 3, 2024TXII · Walk-around2—RAMROD TRUCKING INC 213372CS3230/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CIRCLE C EQUIPMENT LLC3004394Dec 3, 2024Sep 19, 20254OK
RAMROD TRUCKING INC213372Jul 3, 2024Jul 3, 20241TX
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.
CS3230OK—CIRCLE C EQUIPMENT LLCDec 3, 2024 → Sep 19, 20254
CS3230OK—RAMROD TRUCKING INCJul 3, 2024 → Jul 3, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026