Equipment unit · VIN-decoded · NHTSA vPIC

2024 Doonan Specialized Trailer

1D9BG5325R1609927 · Trailer · TRAILER
Carriers run under2
8 mo
Inspections2
all-time
OOS inspections0
of 2
First seenSep 30, 2024
WY
Last seenMay 1, 2025
CA
Inspected under 2 different carriers in 8 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
1D9BG5325R1609927
Make
Doonan Specialized Trailer
Model
Doonan Specialized Trailer
Model year
2024
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 11, 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
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1994 or 2024

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

North American serial sequence
609927

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
2024

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 · Sep 30, 2024 – May 1, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 1, 2025CAI · Full2SAND BUILDING MATERIALS INC 25470584VT5215/CA
Sep 30, 2024WYIII · Driver-only0TA TRANS INC 22911904VT5215/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SAND BUILDING MATERIALS INC2547058May 1, 2025May 1, 20251CA
TA TRANS INC2291190Sep 30, 2024Sep 30, 20241IL
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.
4VT5215CASAND BUILDING MATERIALS INCMay 1, 2025May 1, 20251
4VT5215CATA TRANS INCSep 30, 2024Sep 30, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 11, 2026