Equipment unit · VIN-decoded · NHTSA vPIC

2020 Stoughton Trailers

1DW1A5324LSA44455 · Trailer · TRAILER
Carriers run under4
23 mo
Inspections5
all-time
OOS inspections1
of 5
First seenJan 2, 2024
IA
Last seenDec 26, 2025
NM
Inspected under 4 different carriers in 23 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
1DW1A5324LSA44455
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
A44455

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 · Jan 2, 2024 – Dec 26, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 26, 2025NMII · Walk-around0BLUE VALLEY EXPRESS INC 4343191PA20692/IN
Nov 3, 2025COIII · Driver-only1MISTER TRUCK LLC 4096586PE20692/IN
Nov 3, 2025COIII · Driver-only2MISTER TRUCK LLC 4096586PE20692/IN
Feb 28, 2025TXII · Walk-around04A LOGISTICS LLC 2577473PE20692/IN
Jan 2, 2024IAIII · Driver-only2OOSZAIETS TRANSPORTATION LLC 3069542TN2218/ID
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BLUE VALLEY EXPRESS INC4343191Dec 26, 2025Dec 26, 20251IL
MISTER TRUCK LLC4096586Nov 3, 2025Nov 3, 20252IL
4A LOGISTICS LLC2577473Feb 28, 2025Feb 28, 20251TX
ZAIETS TRANSPORTATION LLC3069542Jan 2, 2024Jan 2, 20241TN
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.
PA20692INBLUE VALLEY EXPRESS INCDec 26, 2025Dec 26, 20251
PE20692INMISTER TRUCK LLCNov 3, 2025Nov 3, 20252
PE20692IN4A LOGISTICS LLCFeb 28, 2025Feb 28, 20251
TN2218IDZAIETS TRANSPORTATION LLCJan 2, 2024Jan 2, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 26, 2026