Equipment unit · VIN-decoded · NHTSA vPIC

2015 Associated Side Dump Development, Inc.

1S9DS3929FS819126 · Trailer · TRAILER
Carriers run under2
20 mo
Inspections2
all-time
OOS inspections1
of 2
First seenDec 16, 2024
CO
Last seenAug 11, 2026
CO
Inspected under 2 different carriers in 20 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
1S9DS3929FS819126
Make
Associated Side Dump Development, Inc.
Model
Associated Side Dump Development, Inc.
Model year
2015
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
1S9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DS392

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1985 or 2015

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

North American serial sequence
819126

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
2015

Observed directly for this VIN via NHTSA vPIC.

Observed make
ASSOCIATED SIDE DUMP DEVELOPMENT, INC.

Observed directly for this VIN via NHTSA vPIC.

Observed model
Associated Side Dump Development, Inc.

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 · Dec 16, 2024 – Aug 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 11, 2026COII · Walk-around9ROYAL TRANSPORTS SERVICES LLC 2780037CDXZ14/CO
Dec 16, 2024COI · Full16OOSVALIANT HAULING LLC 3765913CKHP10/CO
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROYAL TRANSPORTS SERVICES LLC2780037Aug 11, 2026Aug 11, 20261CO
VALIANT HAULING LLC3765913Dec 16, 2024Dec 16, 20241CO
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.
CDXZ14CO2ROYAL TRANSPORTS SERVICES LLCAug 11, 2026Aug 11, 20261
CKHP10COVALIANT HAULING LLCDec 16, 2024Dec 16, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 30, 2026