Equipment unit · VIN-decoded · NHTSA vPIC

2017 Stoughton Trailers

1DW1R5320HS774103 · Trailer · TRAILER
Carriers run under2
29 mo
Inspections3
all-time
OOS inspections0
of 3
First seenOct 26, 2023
WI
Last seenMar 15, 2026
AL
Inspected under 2 different carriers in 29 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
1DW1R5320HS774103
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2017
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
1R532

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1987 or 2017

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
774103

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 · 274 decoded VINs at 100.0% prefix purity.

Model
Stoughton Trailers

Prefix basis · 274 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
2017

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 · Oct 26, 2023 – Mar 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 15, 2026ALIII · Driver-only2PRIMUS TRANS LLC 24423445443382/ME
Nov 26, 2025MDI · Full3PRIMUS TRANS LLC 24423445443382/ME
Oct 26, 2023WIII · Walk-around5R C TRAILER LEASING INC 1836385729859/WI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PRIMUS TRANS LLC2442344Nov 26, 2025Mar 15, 20262VA
R C TRAILER LEASING INC1836385Oct 26, 2023Oct 26, 20231WI
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.
5443382MEPRIMUS TRANS LLCNov 26, 2025Mar 15, 20262
729859WIR C TRAILER LEASING INCOct 26, 2023Oct 26, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 19, 2026