Equipment unit · VIN-decoded · NHTSA vPIC

2018 Stoughton Trailers

1DW1A5321JS793756 · Trailer · TRAILER
Carriers run under2
17 mo
Inspections7
all-time
OOS inspections2
of 7
First seenJul 18, 2023
OH
Last seenDec 13, 2024
OH
Inspected under 2 different carriers in 17 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
1DW1A5321JS793756
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 21, 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
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1988 or 2018

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

North American serial sequence
793756

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
2018

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 · Jul 18, 2023 – Dec 13, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 13, 2024OHII · Walk-around2CERTAIN MOTOR FREIGHT LLC 3912649P6108K/ON
Dec 4, 2024MIII · Walk-around3OOSCERTAIN MOTOR FREIGHT LLC 3912649P6108K/ON
Jul 14, 2024NCIII · Driver-only0CERTAIN MOTOR FREIGHT LLC 3912649P6108K/ON
Jul 5, 2024MIII · Walk-around4CERTAIN MOTOR FREIGHT LLC 3912649P6108K/ON
Jun 7, 2024FLIII · Driver-only2CERTAIN MOTOR FREIGHT LLC 3912649P6108K/ON
Dec 8, 2023DEII · Walk-around0CERTAIN TRUCKING LTD 2043079P6108K/ON
Jul 18, 2023OHII · Walk-around2OOSCERTAIN TRUCKING LTD 2043079P6108K/PQ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CERTAIN MOTOR FREIGHT LLC3912649Jun 7, 2024Dec 13, 20245MI
CERTAIN TRUCKING LTD2043079Jul 18, 2023Dec 8, 20232OH
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.
P6108KONCERTAIN MOTOR FREIGHT LLCJun 7, 2024Dec 13, 20245
P6108KONCERTAIN TRUCKING LTDDec 8, 2023Dec 8, 20231
P6108KPQCERTAIN TRUCKING LTDJul 18, 2023Jul 18, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026