Equipment unit · VIN-decoded · NHTSA vPIC

2019 Doonan Specialized Trailer

1D9BG5324K1609648 · Trailer · TRAILER
Carriers run under2
13 mo
Inspections3
all-time
OOS inspections2
of 3
First seenOct 3, 2023
OK
Last seenNov 14, 2024
TX
Inspected under 2 different carriers in 13 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
1D9BG5324K1609648
Make
Doonan Specialized Trailer
Model
Doonan Specialized Trailer
Model year
2019
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.
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
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1989 or 2019

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

North American serial sequence
609648

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
2019

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 · Oct 3, 2023 – Nov 14, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 14, 2024TXII · Walk-around1OOSSHOCKER AG SERVICES LLC 2426605199C152/TX
Jul 17, 2024TXII · Walk-around1OOSSHOCKER AG SERVICES LLC 2426605199C152/TX
Oct 3, 2023OKIII · Driver-only0T C HOLZEN INC 2426005199C152/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SHOCKER AG SERVICES LLC2426605Jul 17, 2024Nov 14, 20242TX
T C HOLZEN INC2426005Oct 3, 2023Oct 3, 20231OH
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.
199C152TXSHOCKER AG SERVICES LLCJul 17, 2024Nov 14, 20242
199C152TXT C HOLZEN INCOct 3, 2023Oct 3, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 19, 2026