Equipment unit · VIN-decoded · NHTSA vPIC

2021 Stoughton Trailers

1DW1A5329MBA46994 · Trailer · TRAILER
Carriers run under3
19 mo
Inspections4
all-time
OOS inspections0
of 4
First seenMar 20, 2025
CA
Last seenOct 1, 2026
CA
Inspected under 3 different carriers in 19 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
1DW1A5329MBA46994
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2021
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
1A532

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1991 or 2021

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

North American serial sequence
A46994

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.

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 · Mar 20, 2025 – Oct 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 1, 2026CAIII · Driver-only0—CHEEMA TRUCKLINE LLC 3014873P916526/IN
Dec 27, 2025CAII · Walk-around0—CHEEMA TRUCKLINE LLC 3014873P916526/IN
Dec 8, 2025CAIII · Driver-only0—R T H TRUCKING INC 2380861P916526/IN
Mar 20, 2025CAIII · Driver-only0—MPX TRANS INC 3307637P916526/IN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CHEEMA TRUCKLINE LLC3014873Dec 27, 2025Oct 1, 20262CA
R T H TRUCKING INC2380861Dec 8, 2025Dec 8, 20251CA
MPX TRANS INC3307637Mar 20, 2025Mar 20, 20251CA
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.
P916526IN2CHEEMA TRUCKLINE LLCDec 27, 2025 → Oct 1, 20262
P916526IN—R T H TRUCKING INCDec 8, 2025 → Dec 8, 20251
P916526IN—MPX TRANS INCMar 20, 2025 → Mar 20, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 19, 2026