Equipment unit · VIN-decoded · NHTSA vPIC

2022 Associated Side Dump Development, Inc.

1S9DS4841NS819001 · Trailer · TRAILER
Carriers run under2
18 mo
Inspections3
all-time
OOS inspections0
of 3
First seenNov 21, 2024
MT
Last seenMay 14, 2026
MT
Inspected under 2 different carriers in 18 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
1S9DS4841NS819001
Make
Associated Side Dump Development, Inc.
Model
Associated Side Dump Development, Inc.
Model year
2022
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 26, 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
DS484

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
819001

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
ASSOCIATED SIDE DUMP DEVELOPMENT, INC.

Prefix basis · 4 decoded VINs at 100.0% prefix purity.

Model
Associated Side Dump Development, Inc.

Prefix basis · 4 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
2022

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Nov 21, 2024 – May 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 14, 2026MTII · Walk-around0SHUMAKER TRUCKING & EXCAVATING CONTRACTORS INC 3220512AA5942/MT
Sep 11, 2025MTII · Walk-around0D & D TRUCKING & CONSTRUCTION CO 2595689657306C/MT
Nov 21, 2024MTII · Walk-around1D & D TRUCKING & CONSTRUCTION CO 2595689657306C/MT
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SHUMAKER TRUCKING & EXCAVATING CONTRACTORS INC322051May 14, 2026May 14, 20261MT
D & D TRUCKING & CONSTRUCTION CO2595689Nov 21, 2024Sep 11, 20252MT
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.
2AA5942MTSHUMAKER TRUCKING & EXCAVATING CONTRACTORS INCMay 14, 2026May 14, 20261
657306CMTD & D TRUCKING & CONSTRUCTION CONov 21, 2024Sep 11, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026