Equipment unit · VIN-decoded · NHTSA vPIC

2019 Stoughton Trailers

1DW1A5327KSA20584 · Trailer · TRAILER
Carriers run under6
22 mo
Inspections17
all-time
OOS inspections4
of 17
First seenMay 28, 2024
NM
Last seenMar 30, 2026
NM
Inspected under 6 different carriers in 22 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
1DW1A5327KSA20584
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2019
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
1DW

Deterministic · VIN positions 1–3.

Vehicle descriptor section
1A532

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1989 or 2019

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

North American serial sequence
A20584

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
STOUGHTON TRAILERS

Prefix basis · 12,945 decoded VINs at 100.0% prefix purity.

Model
Stoughton Trailers

Prefix basis · 12,945 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
2019

Observed directly for this VIN via NHTSA vPIC.

Observed make
STOUGHTON TRAILERS

Observed directly for this VIN via NHTSA vPIC.

Observed model
Stoughton Trailers

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 28, 2024 – Mar 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 30, 2026NMII · Walk-around0ROYAL GROUP INC 44142715011356/ME
Feb 11, 2026KSIII · Driver-only3ROYAL GROUP INC 44142715011356/ME
Jan 20, 2026NMI · Full4CYL TRUCKING INC 42101155011356/ME
Jan 7, 2026MOI · Full10OOSROYAL GROUP INC 44142715011356/ME
Oct 7, 2025OHII · Walk-around2ROYAL GROUP INC 44142715011356/ME
Oct 6, 2025MOII · Walk-around5ROYAL GROUP INC 44142715011356/ME
Aug 26, 2025CAIII · Driver-only1ROYAL GROUP INC 44142715011356/ME
Jul 22, 2025ILIII · Driver-only0CYL TRUCKING INC 42101155011356/ME
May 16, 2025OHII · Walk-around0HJL TRUCKING CORP 42101805011356/ME
Apr 8, 2025CAI · Full3OOSZNB TRUCKING INC 38898275011356/ME
Dec 12, 2024TNII · Walk-around0ZNB TRUCKING INC 38898275011356/ME
Sep 11, 2024NMII · Walk-around2BIG POWER TRUCKING INC 41644975011356/ME
Aug 6, 2024ARIII · Driver-only0ZNB TRUCKING INC 38898275011356/ME
Jul 29, 2024CAI · Full2OOSREX TRUCKING 41761605011356/ME
Jul 12, 2024NMIII · Driver-only0CYL TRUCKING INC 42101155011356/ME
Jul 12, 2024AZII · Walk-around1OOSCYL TRUCKING INC 42101155011356/ME
May 28, 2024NMII · Walk-around0CYL TRUCKING INC 42101155011356/ME
03

Carriers this unit has run under

6 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROYAL GROUP INC4414271Aug 26, 2025Mar 30, 20266MN
CYL TRUCKING INC4210115May 28, 2024Jan 20, 20265MN
HJL TRUCKING CORP4210180May 16, 2025May 16, 20251MN
ZNB TRUCKING INC3889827Aug 6, 2024Apr 8, 20253CA
BIG POWER TRUCKING INC4164497Sep 11, 2024Sep 11, 20241IL
REX TRUCKING4176160Jul 29, 2024Jul 29, 20241CA
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.
5011356MEROYAL GROUP INCAug 26, 2025Mar 30, 20266
5011356MECYL TRUCKING INCMay 28, 2024Jan 20, 20265
5011356MEHJL TRUCKING CORPMay 16, 2025May 16, 20251
5011356MEZNB TRUCKING INCAug 6, 2024Apr 8, 20253
5011356MEBIG POWER TRUCKING INCSep 11, 2024Sep 11, 20241
5011356MEREX TRUCKINGJul 29, 2024Jul 29, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026