Equipment unit · VIN-decoded · NHTSA vPIC

2020 Doonan Specialized Trailer

1D9BG5323L1609321 · Trailer · TRAILER
Carriers run under1
25 mo
Inspections5
all-time
OOS inspections2
of 5
First seenNov 12, 2023
LA
Last seenDec 18, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1D9BG5323L1609321
Make
Doonan Specialized Trailer
Model
Doonan Specialized Trailer
Model year
2020
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
BG532

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1990 or 2020

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

North American serial sequence
609321

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
2020

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 · Nov 12, 2023 – Dec 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 18, 2025TXI · Full1OOSSHOCKER AG SERVICES LLC 2426605172B726/TX
Jan 29, 2025ALII · Walk-around0SHOCKER AG SERVICES LLC 2426605172B726/TX
Jul 25, 2024GAIII · Driver-only1SHOCKER AG SERVICES LLC 2426605172B726/TX
Jul 9, 2024TXII · Walk-around2OOSSHOCKER AG SERVICES LLC 2426605172B726/TX
Nov 12, 2023LAIII · Driver-only1SHOCKER AG SERVICES LLC 2426605172B726/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SHOCKER AG SERVICES LLC2426605Nov 12, 2023Dec 18, 20255TX
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.
172B726TXSHOCKER AG SERVICES LLCNov 12, 2023Dec 18, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026