Equipment unit · VIN-decoded · NHTSA vPIC

2019 Dragon Esp

1UNST4423KS151147 · Trailer · TRAILER
Carriers run under1
5 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJul 21, 2025
TX
Last seenDec 20, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1UNST4423KS151147
Make
Dragon Esp
Model
Dragon ESP
Model year
2019
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 26, 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
ST442

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
151147

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
2019

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 · Jul 21, 2025 – Dec 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 20, 2025TXII · Walk-around0BIG STAR TRANSPORTATION LLC 2186770255C713/TX
Sep 4, 2025TXII · Walk-around0BIG STAR TRANSPORTATION LLC 2186770255C713/TX
Jul 21, 2025TXII · Walk-around1OOSBIG STAR TRANSPORTATION LLC 2186770255C713/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BIG STAR TRANSPORTATION LLC2186770Jul 21, 2025Dec 20, 20253OK
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.
255C713TXBIG STAR TRANSPORTATION LLCJul 21, 2025Dec 20, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026