Equipment unit · VIN-decoded · NHTSA vPIC

2022 Dragon Esp

1UNSD3928NS151214 · Trailer · TRAILER
Carriers run under2
30 mo
Inspections3
all-time
OOS inspections3
of 3
First seenJun 28, 2023
AZ
Last seenDec 16, 2025
CA
Inspected under 2 different carriers in 30 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
1UNSD3928NS151214
Make
Dragon Esp
Model
Dragon ESP
Model year
2022
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
SD392

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1992 or 2022

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

North American serial sequence
151214

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
2022

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 · Jun 28, 2023 – Dec 16, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 16, 2025CAIII · Driver-only3OOSROSAS & SONS TRUCKING LLC 41711614UG3782/CA
Aug 18, 2023AZI · Full14OOSSGK TRUCKING LLC 32947964U3782/CA
Jun 28, 2023AZII · Walk-around6OOSSGK TRUCKING LLC 32947964UG3782/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROSAS & SONS TRUCKING LLC4171161Dec 16, 2025Dec 16, 20251CA
SGK TRUCKING LLC3294796Jun 28, 2023Aug 18, 20232CA
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.
4UG3782CAROSAS & SONS TRUCKING LLCDec 16, 2025Dec 16, 20251
4U3782CASGK TRUCKING LLCAug 18, 2023Aug 18, 20231
4UG3782CASGK TRUCKING LLCJun 28, 2023Jun 28, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026