Equipment unit · VIN-decoded · NHTSA vPIC

2018 Mac Trailer Manufacturing

5MADN3929JC041650 · Trailer · TRAILER
Carriers run under1
22 mo
Inspections3
all-time
OOS inspections0
of 3
First seenDec 12, 2023
IL
Last seenOct 30, 2025
IN
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5MADN3929JC041650
Make
Mac Trailer Manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 9, 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
5MA

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DN392

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1988 or 2018

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

North American serial sequence
041650

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
MAC TRAILER MANUFACTURING

Prefix basis · 200 decoded VINs at 100.0% prefix purity.

Model
MAC TRAILER MANUFACTURING

Prefix basis · 200 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
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
MAC TRAILER MANUFACTURING

Observed directly for this VIN via NHTSA vPIC.

Observed model
MAC 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 · Dec 12, 2023 – Oct 30, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 30, 2025INIII · Driver-only1STANFA TRUCKING LLC 1304055953778ST/IL
Jun 6, 2025ILIII · Driver-only0STANFA TRUCKING LLC 1304055953778ST/IL
Dec 12, 2023ILIII · Driver-only0STANFA TRUCKING LLC 1304055953778ST/IL
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
STANFA TRUCKING LLC1304055Dec 12, 2023Oct 30, 20253IL
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.
953778STILSTANFA TRUCKING LLCDec 12, 2023Oct 30, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 9, 2026