Equipment unit · VIN-decoded · NHTSA vPIC

2016 Doonan Specialized Trailer

1D9BG5320G1609735 · Trailer · TRAILER
Carriers run under2
25 mo
Inspections6
all-time
OOS inspections1
of 6
First seenFeb 6, 2024
OH
Last seenMar 13, 2026
MO
Inspected under 2 different carriers in 25 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
1D9BG5320G1609735
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.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1D9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
BG532

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1986 or 2016

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
609735

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
DOONAN SPECIALIZED TRAILER

Prefix basis · 486 decoded VINs at 100.0% prefix purity.

Model
Doonan Specialized Trailer

Prefix basis · 486 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2016

Observed directly for this VIN via NHTSA vPIC.

Observed make
DOONAN SPECIALIZED TRAILER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Doonan Specialized Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Feb 6, 2024 – Mar 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 13, 2026MOIII · Driver-only1FLATTOP TRUCKING LLC 257106154E4W4/MO
Dec 3, 2025MTIII · Driver-only1LEADING EDGE TRANSPORT LLC 324907154E4WH/MO
Mar 28, 2025SDI · Full3OOSLEADING EDGE TRANSPORT LLC 324907154E4WH/MO
Aug 28, 2024OHIII · Driver-only1LEADING EDGE TRANSPORT LLC 324907154E4WH/MO
Mar 27, 2024IAIII · Driver-only2LEADING EDGE TRANSPORT LLC 324907154E4WH/MO
Feb 6, 2024OHII · Walk-around1LEADING EDGE TRANSPORT LLC 324907154E4WH/MO
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FLATTOP TRUCKING LLC2571061Mar 13, 2026Mar 13, 20261MO
LEADING EDGE TRANSPORT LLC3249071Feb 6, 2024Dec 3, 20255MO
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.
54E4W4MOFLATTOP TRUCKING LLCMar 13, 2026Mar 13, 20261
54E4WHMOLEADING EDGE TRANSPORT LLCFeb 6, 2024Dec 3, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026