Equipment unit · VIN-decoded · NHTSA vPIC

2013 Dragon Products

1UNST4227DL114117 · Trailer · TRAILER
Carriers run under2
27 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJul 13, 2023
TX
Last seenOct 22, 2025
TX
Inspected under 2 different carriers in 27 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
1UNST4227DL114117
Make
Dragon Products
Model
Dragon Products
Model year
2013
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
ST422

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1983 or 2013

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

North American serial sequence
114117

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
2013

Observed directly for this VIN via NHTSA vPIC.

Observed make
DRAGON PRODUCTS

Observed directly for this VIN via NHTSA vPIC.

Observed model
Dragon Products

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 13, 2023 – Oct 22, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 22, 2025TXII · Walk-around4SPUR VACUUM TRUCKS LLC 2273729253C688/TX
Dec 20, 2024TXII · Walk-around4SPUR VACUUM TRUCKS LLC 2273729253C688/TX
Jul 13, 2023TXII · Walk-around8OOSR & D VACUUM SERVICE INC 1973340081C738/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SPUR VACUUM TRUCKS LLC2273729Dec 20, 2024Oct 22, 20252TX
R & D VACUUM SERVICE INC1973340Jul 13, 2023Jul 13, 20231TX
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.
253C688TXSPUR VACUUM TRUCKS LLCDec 20, 2024Oct 22, 20252
081C738TXR & D VACUUM SERVICE INCJul 13, 2023Jul 13, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026