Equipment unit · VIN-decoded · NHTSA vPIC

1999 Stoughton Trailers

1DW1A5327XS316709 · Trailer · TRAILER
Carriers run under4
31 mo
Inspections8
all-time
OOS inspections3
of 8
First seenAug 2, 2023
NV
Last seenMar 14, 2026
CA
Inspected under 4 different carriers in 31 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
1DW1A5327XS316709
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
1999
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 17, 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
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1999 or 2029

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

North American serial sequence
316709

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
1999

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 · Aug 2, 2023 – Mar 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 14, 2026CAI · Full0MGT LOGISTIC INC 44578194RC7531/CA
Mar 14, 2026CAI · Full3OOSMGT LOGISTIC INC 44578194RC7531/CA
Aug 21, 2025CAV · Vehicle-only0KENBO LOGISTIC 33411244RC7531/CA
Jul 2, 2025CAI · Full10OOSLAN TRUCKING INC 35397244RC7531/CA
May 20, 2025CAIII · Driver-only0KENBO LOGISTIC 33411244RC7531/CA
Jun 18, 2024CAV · Vehicle-only0KENBO LOGISTIC 33411244RC7531/CA
Jan 26, 2024NVIII · Driver-only4OOSKENBO LOGISTIC 33411244RC7531/CA
Aug 2, 2023NVII · Walk-around5KNBO LLC 40893194RC7531/CA
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MGT LOGISTIC INC4457819Mar 14, 2026Mar 14, 20262CA
KENBO LOGISTIC3341124Jan 26, 2024Aug 21, 20254CA
LAN TRUCKING INC3539724Jul 2, 2025Jul 2, 20251CA
KNBO LLC4089319Aug 2, 2023Aug 2, 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.
4RC7531CAMGT LOGISTIC INCMar 14, 2026Mar 14, 20262
4RC7531CAKENBO LOGISTICJan 26, 2024Aug 21, 20254
4RC7531CALAN TRUCKING INCJul 2, 2025Jul 2, 20251
4RC7531CAKNBO LLCAug 2, 2023Aug 2, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026