Equipment unit · VIN-decoded · NHTSA vPIC

2020 Stoughton Trailers

1DW1A5322LSA43160 · Trailer · TRAILER
Carriers run under5
27 mo
Inspections5
all-time
OOS inspections1
of 5
First seenDec 21, 2023
NM
Last seenMar 2, 2026
NC
Inspected under 5 different carriers in 27 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
1DW1A5322LSA43160
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2020
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 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
1DW

Deterministic · VIN positions 1–3.

Vehicle descriptor section
1A532

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1990 or 2020

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

North American serial sequence
A43160

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
2020

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 · Dec 21, 2023 – Mar 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 2, 2026NCIII · Driver-only2OOSTRUST GROUP LOGISTICS LLC 3777731TN1718/OH
May 21, 2024MDI · Full1BUOYANT TRUCKING LLC 3724544TN1718/ID
Apr 1, 2024INIII · Driver-only1S&M EXPRESS TRUCKING LLC 3499978TN1718/ID
Mar 21, 2024OHIII · Driver-only1KEVIN'S EXPRESS INC 2469675TN1718/ID
Dec 21, 2023NMII · Walk-around0HARMONY EXPRESS TRUCKING INC 3921002TN1718/ID
03

Carriers this unit has run under

5 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRUST GROUP LOGISTICS LLC3777731Mar 2, 2026Mar 2, 20261OH
BUOYANT TRUCKING LLC3724544May 21, 2024May 21, 20241VA
S&M EXPRESS TRUCKING LLC3499978Apr 1, 2024Apr 1, 20241MI
KEVIN'S EXPRESS INC2469675Mar 21, 2024Mar 21, 20241PA
HARMONY EXPRESS TRUCKING INC3921002Dec 21, 2023Dec 21, 20231TX
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.
TN1718OHTRUST GROUP LOGISTICS LLCMar 2, 2026Mar 2, 20261
TN1718IDBUOYANT TRUCKING LLCMay 21, 2024May 21, 20241
TN1718IDS&M EXPRESS TRUCKING LLCApr 1, 2024Apr 1, 20241
TN1718IDKEVIN'S EXPRESS INCMar 21, 2024Mar 21, 20241
TN1718IDHARMONY EXPRESS TRUCKING INCDec 21, 2023Dec 21, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 26, 2026