Equipment unit · VIN-decoded · NHTSA vPIC

2012 Dragon Products

1UNST4429CS100639 · Trailer · TRAILER
Carriers run under3
25 mo
Inspections3
all-time
OOS inspections1
of 3
First seenAug 23, 2024
TX
Last seenSep 28, 2026
TX
Inspected under 3 different carriers in 25 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
1UNST4429CS100639
Make
Dragon Products
Model
Dragon Products
Model year
2012
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 30, 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.

Source · 49 CFR Part 565 ↗
Vehicle descriptor section
ST442

Deterministic · VIN positions 4–8.

Source · 49 CFR Part 565 ↗
Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Source · 49 CFR Part 565 ↗
Model year candidates
1982 or 2012

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

Source · 49 CFR Part 565 ↗
North American serial sequence
100639

Deterministic · positions 12–17 for a North American WMI.

Source · 49 CFR Part 565 ↗

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.

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 · Aug 23, 2024 – Sep 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 28, 2026TXII · Walk-around2—EXPLORE PETROLEUM LLC 3185707152C049/TX
Apr 21, 2026TXII · Walk-around1—MKC LOGISTICS LLC 3656733152C049/TX
Aug 23, 2024TXII · Walk-around2OOSBIG PALM LOGISTICS LLC 3800628152C049/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
EXPLORE PETROLEUM LLC3185707Sep 28, 2026Sep 28, 20261TX
MKC LOGISTICS LLC3656733Apr 21, 2026Apr 21, 20261TX
BIG PALM LOGISTICS LLC3800628Aug 23, 2024Aug 23, 20241TX
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.
152C049TX2EXPLORE PETROLEUM LLCSep 28, 2026 → Sep 28, 20261
152C049TX—MKC LOGISTICS LLCApr 21, 2026 → Apr 21, 20261
152C049TX—BIG PALM LOGISTICS LLCAug 23, 2024 → Aug 23, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 30, 2026