Equipment unit · VIN-decoded · NHTSA vPIC

2023 Dragon Esp

1UNST4224PS199234 · Trailer · TRAILER
Carriers run under1
28 mo
Inspections5
all-time
OOS inspections0
of 5
First seenJan 30, 2024
LA
Last seenMay 29, 2026
LA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1UNST4224PS199234
Make
Dragon Esp
Model
Dragon ESP
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
1UN

Deterministic · VIN positions 1–3.

Vehicle descriptor section
ST422

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
199234

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
DRAGON ESP

Observed directly for this VIN via NHTSA vPIC.

Observed model
Dragon ESP

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jan 30, 2024 – May 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 29, 2026LAII · Walk-around1A3M VACUUM SERVICES LLC 254717J113705/LA
Dec 5, 2025MSIII · Driver-only1A3M VACUUM SERVICES LLC 254717J113705/LA
Jul 9, 2025LAIII · Driver-only0A3M VACUUM SERVICES LLC 254717J113705/LA
Jun 23, 2025LAIII · Driver-only0A3M VACUUM SERVICES LLC 254717J113705/LA
Jan 30, 2024LAI · Full1A3M VACUUM SERVICES LLC 254717J113705/LA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
A3M VACUUM SERVICES LLC254717Jan 30, 2024May 29, 20265LA
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.
J113705LAA3M VACUUM SERVICES LLCJan 30, 2024May 29, 20265
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026