Equipment unit · VIN-decoded · NHTSA vPIC

1UNST5031CS100090

Not yet decoded
Carriers run under2
15 mo
Inspections2
all-time
OOS inspections0
of 2
First seenFeb 12, 2024
ME
Last seenMay 2, 2025
ME
Inspected under 2 different carriers in 15 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
ST503

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1982 or 2012

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

North American serial sequence
100090

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 PRODUCTS

Prefix basis · 25 decoded VINs at 96.0% prefix purity.

Model
Dragon Products

Prefix basis · 25 decoded VINs at 96.0% 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.

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 · Feb 12, 2024 – May 2, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 2, 2025MEIII · Driver-only1DUBE TRANSPORT INC 20574265270092/ME
Feb 12, 2024MEII · Walk-around2DUBE ENVIRONMENTAL INC 18400255270092/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DUBE TRANSPORT INC2057426May 2, 2025May 2, 20251ME
DUBE ENVIRONMENTAL INC1840025Feb 12, 2024Feb 12, 20241ME
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.
5270092MEDUBE TRANSPORT INCMay 2, 2025May 2, 20251
5270092MEDUBE ENVIRONMENTAL INCFeb 12, 2024Feb 12, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC