Equipment unit · VIN-decoded · NHTSA vPIC

2016 Doonan specialized trailer Doonan Specialized Trailer

1D9BW4828G1609021 · Trailer · TRAILER
Carriers run under2
7 mo
Inspections6
all-time
OOS inspections1
of 6
First seenFeb 25, 2025
AL
Last seenSep 20, 2025
OH
Inspected under 2 different carriers in 7 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
1D9BW4828G1609021
Make
Doonan specialized trailer
Model
Doonan Specialized Trailer
Model year
2016
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 21, 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 · Feb 25, 2025 – Sep 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 20, 2025OHIII · Driver-only2—DAG DIESEL INC 32724631002238ST/IL
Aug 8, 2025INIII · Driver-only2—DAG DIESEL INC 32724631002238ST/IL
Jul 24, 2025PAIII · Driver-only1—DAG DIESEL INC 32724631002238ST/IL
Jun 5, 2025CTII · Walk-around1—DAG DIESEL INC 32724631002238ST/IL
Apr 11, 2025KSII · Walk-around9OOSVSP TRANSPORT LLC 33702741002238 ST/IL
Feb 25, 2025ALIII · Driver-only0—VSP TRANSPORT LLC 33702741002238ST/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DAG DIESEL INC3272463Jun 5, 2025Sep 20, 20254IL
VSP TRANSPORT LLC3370274Feb 25, 2025Apr 11, 20252IL
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.
1002238STIL—DAG DIESEL INCJun 5, 2025 → Sep 20, 20254
1002238 STIL—VSP TRANSPORT LLCApr 11, 2025 → Apr 11, 20251
1002238STIL—VSP TRANSPORT LLCFeb 25, 2025 → Feb 25, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026