Equipment unit · VIN-decoded · NHTSA vPIC

2022 Dragon Esp

1UNSD3725NS174677 · Trailer · TRAILER
Carriers run under1
25 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJul 13, 2023
TX
Last seenAug 27, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1UNSD3725NS174677
Make
Dragon Esp
Model
Dragon ESP
Model year
2022
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 8, 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
SD372

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

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
174677

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
DRAGON ESP

Prefix basis · 26 decoded VINs at 96.2% prefix purity.

Model
Dragon ESP

Prefix basis · 26 decoded VINs at 96.2% 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
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

  • 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 – Aug 27, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 27, 2025TXII · Walk-around2OOSCOLLIER MATERIALS INC 1935788078C098/TX
Apr 29, 2025TXI · Full0COLLIER MATERIALS INC 1935788078C098/TX
Nov 19, 2024TXI · Full0COLLIER MATERIALS INC 1935788078C098/TX
Jul 13, 2023TXII · Walk-around0COLLIER MATERIALS INC 1935788AW7548/OK
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
COLLIER MATERIALS INC1935788Jul 13, 2023Aug 27, 20254TX
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.
078C098TXCOLLIER MATERIALS INCNov 19, 2024Aug 27, 20253
AW7548OKCOLLIER MATERIALS INCJul 13, 2023Jul 13, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 8, 2026