Equipment unit · VIN-decoded · NHTSA vPIC

2019 Doonan specialized trailer Doonan Specialized Trailer

1D9BG4834K1609841 · Trailer · TRAILER
Carriers run under2
20 mo
Inspections7
all-time
OOS inspections2
of 7
First seenAug 31, 2023
NM
Last seenApr 15, 2025
CO
Inspected under 2 different carriers in 20 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
1D9BG4834K1609841
Make
Doonan specialized trailer
Model
Doonan Specialized Trailer
Model year
2019
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 18, 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 · Aug 31, 2023 – Apr 15, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 15, 2025COIII · Driver-only1—MCADEN DAIRY TRUCKING INC 292443801589/IL
Sep 3, 2024SCII · Walk-around2OOSSIMF TRANS INCORPORATED 2924432801589ST/IL
Aug 29, 2024WYI · Full5OOSSIMF TRANS INCORPORATED 2924432801589ST/IL
Jul 10, 2024ARIII · Driver-only0—SIMF TRANS INCORPORATED 2924432801589ST/IL
Mar 6, 2024FLII · Walk-around3—SIMF TRANS INCORPORATED 2924432801589ST/IL
Nov 15, 2023KSIII · Driver-only1—SIMF TRANS INCORPORATED 2924432801589ST/IL
Aug 31, 2023NMIII · Driver-only0—SIMF TRANS INCORPORATED 2924432801589/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MCADEN DAIRY TRUCKING INC292443Apr 15, 2025Apr 15, 20251VA
SIMF TRANS INCORPORATED2924432Aug 31, 2023Sep 3, 20246AL
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.
801589IL—MCADEN DAIRY TRUCKING INCApr 15, 2025 → Apr 15, 20251
801589STIL—SIMF TRANS INCORPORATEDNov 15, 2023 → Sep 3, 20245
801589IL—SIMF TRANS INCORPORATEDAug 31, 2023 → Aug 31, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026