Equipment unit · VIN-decoded · NHTSA vPIC

2019 Stoughton Trailers

1DW1A5324KSA16802 · Trailer · TRAILER
Carriers run under3
21 mo
Inspections3
all-time
OOS inspections0
of 3
First seenSep 19, 2023
NY
Last seenJun 18, 2025
NY
Inspected under 3 different carriers in 21 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
1DW1A5324KSA16802
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2019
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 19, 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
4 · valid

Deterministic · position 9; calculated value 4.

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
A16802

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 · Sep 19, 2023 – Jun 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 18, 2025NYII · Walk-around1SPARTAN FREIGHT SYSTEMS INC 1712434R2495H/ON
Mar 10, 2025MOII · Walk-around2CHARTER GROUP INC 4143573R2495M/ON
Sep 19, 2023NYII · Walk-around0NAMAHA TRANSPORT SERVICES INC 1315600R2495H/ON
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SPARTAN FREIGHT SYSTEMS INC1712434Jun 18, 2025Jun 18, 20251ON
CHARTER GROUP INC4143573Mar 10, 2025Mar 10, 20251BC
NAMAHA TRANSPORT SERVICES INC1315600Sep 19, 2023Sep 19, 20231ON
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.
R2495HONSPARTAN FREIGHT SYSTEMS INCJun 18, 2025Jun 18, 20251
R2495MONCHARTER GROUP INCMar 10, 2025Mar 10, 20251
R2495HONNAMAHA TRANSPORT SERVICES INCSep 19, 2023Sep 19, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 19, 2026