Equipment unit · VIN-decoded · NHTSA vPIC

2023 Doonan Specialized Trailer

1D9BG4836P1609766 · Trailer · TRAILER
Carriers run under3
24 mo
Inspections5
all-time
OOS inspections1
of 5
First seenJun 24, 2024
NM
Last seenJun 24, 2026
CA
Inspected under 3 different carriers in 24 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
1D9BG4836P1609766
Make
Doonan Specialized Trailer
Model
Doonan Specialized Trailer
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 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
BG483

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1993 or 2023

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

North American serial sequence
609766

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 · 28 decoded VINs at 100.0% prefix purity.

Model
Doonan Specialized Trailer

Prefix basis · 28 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
2023

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 · Jun 24, 2024 – Jun 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 24, 2026CAI · Full2BGZ TRANSPORT LLC 39063544WM6011/CA
Feb 11, 2026CAIII · Driver-only0BGZ TRANSPORT LLC 39063544WM6011/CA
Oct 31, 2024CAI · Full0ROAD RUNNERS INC 40283894VD7463/CA
Oct 31, 2024CAI · Full1OOSROAD RUNNERS INC 40283894VD7463/CA
Jun 24, 2024NMIII · Driver-only0SEAM FREIGHT SOLUTIONS LLC 41937524VD7463/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BGZ TRANSPORT LLC3906354Feb 11, 2026Jun 24, 20262CA
ROAD RUNNERS INC4028389Oct 31, 2024Oct 31, 20242CA
SEAM FREIGHT SOLUTIONS LLC4193752Jun 24, 2024Jun 24, 20241CA
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.
4WM6011CA2BGZ TRANSPORT LLCFeb 11, 2026Jun 24, 20262
4VD7463CAROAD RUNNERS INCOct 31, 2024Oct 31, 20242
4VD7463CASEAM FREIGHT SOLUTIONS LLCJun 24, 2024Jun 24, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026