Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mac Trailer Manufacturing

5MAFC3924PR082336 · Trailer · TRAILER
Carriers run under2
31 mo
Inspections8
all-time
OOS inspections1
of 8
First seenDec 6, 2023
MI
Last seenJul 22, 2026
MI
Inspected under 2 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
5MAFC3924PR082336
Make
Mac Trailer Manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 21, 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
FC392

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
082336

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 · 18 decoded VINs at 100.0% prefix purity.

Model
MAC TRAILER MANUFACTURING

Prefix basis · 18 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
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 6, 2023 – Jul 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 22, 2026MII · Full3TIRELESS TRANSPORTATION LLC 4454211F3074445/MI
Dec 1, 2025MII · Full1TIRELESS TRANSPORTATION LLC 4454211F307445/MI
Oct 14, 2025ILIII · Driver-only0BIG JIM TRUCKING INC 594213F307445/MI
Sep 22, 2025MIIII · Driver-only1BIG JIM TRUCKING INC 594213E780636/MI
Jun 16, 2025MIII · Walk-around0BIG JIM TRUCKING INC 594213E780636/MI
Oct 1, 2024MIII · Walk-around1BIG JIM TRUCKING INC 594213E780636/MI
Mar 13, 2024MII · Full1OOSBIG JIM TRUCKING INC 594213E780636/MI
Dec 6, 2023MIII · Walk-around1BIG JIM TRUCKING INC 594213E780636/MI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TIRELESS TRANSPORTATION LLC4454211Dec 1, 2025Jul 22, 20262MI
BIG JIM TRUCKING INC594213Dec 6, 2023Oct 14, 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.
F3074445MI2TIRELESS TRANSPORTATION LLCJul 22, 2026Jul 22, 20261
F307445MITIRELESS TRANSPORTATION LLCDec 1, 2025Dec 1, 20251
F307445MIBIG JIM TRUCKING INCOct 14, 2025Oct 14, 20251
E780636MIBIG JIM TRUCKING INCDec 6, 2023Sep 22, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026