Equipment unit · VIN-decoded · NHTSA vPIC

2022 Stoughton Trailers

1DW1A5328NSA79213 · Trailer · TRAILER
Carriers run under3
25 mo
Inspections6
all-time
OOS inspections3
of 6
First seenJan 10, 2024
CA
Last seenFeb 4, 2026
CA
Inspected under 3 different carriers in 25 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
1DW1A5328NSA79213
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2022
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 22, 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
8 · valid

Deterministic · position 9; calculated value 8.

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
A79213

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
2022

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 · Jan 10, 2024 – Feb 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 4, 2026CAI · Full0GREENWAY TRANSPORTATION SERVICES INC 19771703048166/ME
Nov 7, 2025CAII · Walk-around3OOSDOLLAR TRANSPORT INC 40722333048166/ME
Aug 12, 2025CAII · Walk-around1OOSSANDHAR BROS TRANSPORT INC 15673803048166/ME
Apr 2, 2025CAI · Full0GREENWAY TRANSPORTATION SERVICES INC 19771703048166/ME
Oct 7, 2024CAI · Full2OOSGREENWAY TRANSPORTATION SERVICES INC 19771703048166/ME
Jan 10, 2024CAIII · Driver-only0GREENWAY TRANSPORTATION SERVICES INC 19771703048166/ME
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GREENWAY TRANSPORTATION SERVICES INC1977170Jan 10, 2024Feb 4, 20264CA
DOLLAR TRANSPORT INC4072233Nov 7, 2025Nov 7, 20251CA
SANDHAR BROS TRANSPORT INC1567380Aug 12, 2025Aug 12, 20251CA
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.
3048166MEGREENWAY TRANSPORTATION SERVICES INCJan 10, 2024Feb 4, 20264
3048166MEDOLLAR TRANSPORT INCNov 7, 2025Nov 7, 20251
3048166MESANDHAR BROS TRANSPORT INCAug 12, 2025Aug 12, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026