Equipment unit · VIN-decoded · NHTSA vPIC

2023 Midwest Trailer Manufacturing

4M9DS2321P1017054 · Trailer · TRAILER
Carriers run under1
4 mo
Inspections6
all-time
OOS inspections0
of 6
First seenJun 18, 2025
MI
Last seenOct 10, 2025
MI
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4M9DS2321P1017054
Make
Midwest Trailer Manufacturing
Model
Midwest Trailer Manufacturing
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 24, 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
4M9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DS232

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1993 or 2023

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

North American serial sequence
017054

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
MIDWEST TRAILER MANUFACTURING

Prefix basis · 35 decoded VINs at 100.0% prefix purity.

Model
Midwest Trailer Manufacturing

Prefix basis · 35 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
2023

Observed directly for this VIN via NHTSA vPIC.

Observed make
MIDWEST TRAILER MANUFACTURING

Observed directly for this VIN via NHTSA vPIC.

Observed model
Midwest Trailer Manufacturing

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 · Jun 18, 2025 – Oct 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 10, 2025MIII · Walk-around6COUNTY ASPHALT LLC 4403718F327946/MI
Sep 10, 2025MIIII · Driver-only0COUNTY ASPHALT LLC 4403718F327946/MI
Aug 22, 2025MIIII · Driver-only4COUNTY ASPHALT LLC 44037185271T48/TX
Aug 14, 2025MIII · Walk-around6COUNTY ASPHALT LLC 44037182573T93/TX
Aug 14, 2025MIII · Walk-around3COUNTY ASPHALT LLC 44037185271T48/TX
Jun 18, 2025MIIII · Driver-only1COUNTY ASPHALT LLC 4403718TEMP/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
COUNTY ASPHALT LLC4403718Jun 18, 2025Oct 10, 20256MI
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.
F327946MICOUNTY ASPHALT LLCSep 10, 2025Oct 10, 20252
5271T48TXCOUNTY ASPHALT LLCAug 14, 2025Aug 22, 20252
2573T93TXCOUNTY ASPHALT LLCAug 14, 2025Aug 14, 20251
TEMPTXCOUNTY ASPHALT LLCJun 18, 2025Jun 18, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026