Equipment unit · VIN-decoded · NHTSA vPIC

2020 Stoughton Trailers

1DW1A5324LSA46576 · Trailer · TRAILER
Carriers run under4
28 mo
Inspections7
all-time
OOS inspections0
of 7
First seenNov 25, 2023
NM
Last seenMar 17, 2026
CA
Inspected under 4 different carriers in 28 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
1DW1A5324LSA46576
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
4 · valid

Deterministic · position 9; calculated value 4.

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
A46576

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 · Nov 25, 2023 – Mar 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 17, 2026CAI · Full0EP SOUTH WEST LOGISTICS INC 2990523131B661/TX
Nov 22, 2025TXIII · Driver-only0DIIM TRANSFER SA DE CV 3921827131B661/TX
Mar 15, 2025TXII · Walk-around0SERVICIO BINACIONAL DE TRANSPORTE RAMOS SA DE CV 624695131B661/TX
May 1, 2024MOII · Walk-around7FAT AND BROKE INC 1267279131B661/TX
Nov 25, 2023NMIII · Driver-only0FAT AND BROKE INC 1267279131B61/TX
Nov 25, 2023NMIII · Driver-only0FAT AND BROKE INC 1267279131B61/TX
Nov 25, 2023NMIII · Driver-only0FAT AND BROKE INC 1267279131B61/TX
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
EP SOUTH WEST LOGISTICS INC2990523Mar 17, 2026Mar 17, 20261TX
DIIM TRANSFER SA DE CV3921827Nov 22, 2025Nov 22, 20251CI
SERVICIO BINACIONAL DE TRANSPORTE RAMOS SA DE CV624695Mar 15, 2025Mar 15, 20251CI
FAT AND BROKE INC1267279Nov 25, 2023May 1, 20244TX
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.
131B661TXEP SOUTH WEST LOGISTICS INCMar 17, 2026Mar 17, 20261
131B661TXDIIM TRANSFER SA DE CVNov 22, 2025Nov 22, 20251
131B661TXSERVICIO BINACIONAL DE TRANSPORTE RAMOS SA DE CVMar 15, 2025Mar 15, 20251
131B661TXFAT AND BROKE INCMay 1, 2024May 1, 20241
131B61TX2FAT AND BROKE INCNov 25, 2023Nov 25, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 26, 2026