Equipment unit · VIN-decoded · NHTSA vPIC

2022 Stoughton Trailers

1DW1A5323NSA71830 · Trailer · TRAILER
Carriers run under4
30 mo
Inspections6
all-time
OOS inspections1
of 6
First seenJul 31, 2023
OK
Last seenJan 24, 2026
IL
Inspected under 4 different carriers in 30 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
1DW1A5323NSA71830
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
3 · valid

Deterministic · position 9; calculated value 3.

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
A71830

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 · Jul 31, 2023 – Jan 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 24, 2026ILIII · Driver-only1SEVEN STAR EXPRESS INC 3588865TR5280/ID
Sep 29, 2025TNIII · Driver-only1OOSTRIDENT LOGISTICS INC 3516204TR5280/IA
Feb 11, 2025TNI · Full1TRIDENT LOGISTICS INC 3516204TR5280/ID
Jan 13, 2025AZII · Walk-around2TRIDENT LOGISTICS INC 3516204TR5280/ID
Dec 5, 2024CAI · Full4SSJ ROADWAYS INC 3654881TR5280/ID
Jul 31, 2023OKIII · Driver-only0LDH FREIGHT INC 2904647TR5280/ID
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SEVEN STAR EXPRESS INC3588865Jan 24, 2026Jan 24, 20261CA
TRIDENT LOGISTICS INC3516204Jan 13, 2025Sep 29, 20253CA
SSJ ROADWAYS INC3654881Dec 5, 2024Dec 5, 20241CA
LDH FREIGHT INC2904647Jul 31, 2023Jul 31, 20231CA
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.
TR5280IDSEVEN STAR EXPRESS INCJan 24, 2026Jan 24, 20261
TR5280IATRIDENT LOGISTICS INCSep 29, 2025Sep 29, 20251
TR5280IDTRIDENT LOGISTICS INCJan 13, 2025Feb 11, 20252
TR5280IDSSJ ROADWAYS INCDec 5, 2024Dec 5, 20241
TR5280IDLDH FREIGHT INCJul 31, 2023Jul 31, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026