Equipment unit · VIN-decoded · NHTSA vPIC

2017 Dragon Esp

591SD3422HR136977 · Trailer · TRAILER
Carriers run under3
21 mo
Inspections9
all-time
OOS inspections4
of 9
First seenMay 8, 2024
TX
Last seenFeb 10, 2026
TX
Inspected under 3 different carriers in 21 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
591SD3422HR136977
Make
Dragon Esp
Model
Dragon ESP
Model year
2017
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
591

Deterministic · VIN positions 1–3.

Vehicle descriptor section
SD342

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1987 or 2017

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

North American serial sequence
136977

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 · 147 decoded VINs at 100.0% prefix purity.

Model
Dragon ESP

Prefix basis · 147 decoded VINs at 100.0% 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
2017

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 · May 8, 2024 – Feb 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 10, 2026TXII · Walk-around8TRIPLE AD ENTERPRISES LLC 3456262114B365/TX
Jan 17, 2026TXII · Walk-around5TRIPLE AD ENTERPRISES LLC 3456262114B365/TX
Dec 23, 2025TXII · Walk-around11TRIPLE AD ENTERPRISES LLC 3456262114B365/TX
Dec 11, 2025TXII · Walk-around8OOSTRIPLE AD ENTERPRISES LLC 3456262114B365/TX
Nov 25, 2025TXII · Walk-around21OOSWILLIAM ROGERS 4077105114B365/TX
Nov 15, 2025TXII · Walk-around9TRIPLE AD ENTERPRISES LLC 3456262114B365/TX
Nov 4, 2025TXII · Walk-around9OOSTRIPLE AD ENTERPRISES LLC 345626211B365/TX
Jul 3, 2025TXI · Full7OOSD&L TRANSPORT LLC 3868181114B365/TX
May 8, 2024TXII · Walk-around5D&L TRANSPORT LLC 3868181114B365/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRIPLE AD ENTERPRISES LLC3456262Nov 4, 2025Feb 10, 20266TX
WILLIAM ROGERS4077105Nov 25, 2025Nov 25, 20251TX
D&L TRANSPORT LLC3868181May 8, 2024Jul 3, 20252TX
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.
114B365TXTRIPLE AD ENTERPRISES LLCNov 15, 2025Feb 10, 20265
114B365TXWILLIAM ROGERSNov 25, 2025Nov 25, 20251
11B365TXTRIPLE AD ENTERPRISES LLCNov 4, 2025Nov 4, 20251
114B365TXD&L TRANSPORT LLCMay 8, 2024Jul 3, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026