Equipment unit · VIN-decoded · NHTSA vPIC

2019 Doonan specialized trailer Doonan Specialized Trailer

1D9BG4820K1609407 · Trailer · TRAILER
Carriers run under2
32 mo
Inspections4
all-time
OOS inspections0
of 4
First seenOct 7, 2023
NE
Last seenJun 24, 2026
GA
Inspected under 2 different carriers in 32 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
1D9BG4820K1609407
Make
Doonan specialized trailer
Model
Doonan Specialized Trailer
Model year
2019
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.
02

Inspection history

Every roadside inspection of this VIN, newest first · Oct 7, 2023 – Jun 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 24, 2026GAIII · Driver-only1—IOWA MOTOR TRUCK TRANSPORT INC 313015DZ5830/IA
Jul 14, 2025NMIII · Driver-only0—THINK BIG ENTERPRISES LLC 3213015DZ5830/IA
Sep 2, 2024NMII · Walk-around0—IOWA MOTOR TRUCK TRANSPORT INC 313015DZ5830/IA
Oct 7, 2023NEIII · Driver-only0—IOWA MOTOR TRUCK TRANSPORT INC 313015DZ5830/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 INC313015Oct 7, 2023Jun 24, 20263IA
THINK BIG ENTERPRISES LLC3213015Jul 14, 2025Jul 14, 20251VA
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.
DZ5830IA2IOWA MOTOR TRUCK TRANSPORT INCOct 7, 2023 → Jun 24, 20263
DZ5830IA—THINK BIG ENTERPRISES LLCJul 14, 2025 → Jul 14, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026