Equipment unit · VIN-decoded · NHTSA vPIC

2021 Doonan specialized trailer Doonan Specialized Trailer

1D9BG5321M1609092 · Trailer · TRAILER

Carriers run under2

20 mo

Inspections3

all-time

OOS inspections0

of 3

First seenOct 8, 2024

Last seenJun 10, 2026

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.

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN: 1D9BG5321M1609092
Make: Doonan specialized trailer
Model: Doonan Specialized Trailer
Model year: 2021
Body class: Trailer
Vehicle type: TRAILER
GVWR: Not decoded
Decoded at: Jul 19, 2026

vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.

Inspection history

Every roadside inspection of this VIN, newest first · Oct 8, 2024 – Jun 10, 2026

Date	State	Level	Viol.	OOS	Carrier (DOT)	Plate
Jun 10, 2026	ND	II · Walk-around	0	—	HEATH HOLTAPP 1050859	FH8076/IA
Jul 3, 2025	SD	III · Driver-only	0	—	TIM MOHR 2019794	FH8076/IA
Oct 8, 2024	MN	III · Driver-only	1	—	TIM MOHR 2019794	FH8076/IA

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

Carrier	DOT	First seen	Last seen	Insp.	State
HEATH HOLTAPP	1050859	Jun 10, 2026	Jun 10, 2026	1	IA
TIM MOHR	2019794	Oct 8, 2024	Jul 3, 2025	2	IA

Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.

Plate & unit-number history

The same truck under different plate registrations across carriers

Plate	State / prov.	Unit no.	Carrier	Date range	Insp.
FH8076	IA	—	HEATH HOLTAPP	Jun 10, 2026 → Jun 10, 2026	1
FH8076	IA	—	TIM MOHR	Oct 8, 2024 → Jul 3, 2025	2

Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 19, 2026