Equipment unit · VIN-decoded · NHTSA vPIC

5MADN3929EC028399

Not yet decoded
Carriers run under2
26 mo
Inspections2
all-time
OOS inspections1
of 2
First seenAug 16, 2023
AL
Last seenOct 23, 2025
AL
Inspected under 2 different carriers in 26 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
1984 or 2014

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

North American serial sequence
028399

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.

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 16, 2023 – Oct 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 23, 2025ALII · Walk-around7OOSBLACK ROCK EXPRESS LLC 2947864675854T/TN
Aug 16, 2023ALII · Walk-around4COMMERCIAL HAULING CO INC 226614264854T/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BLACK ROCK EXPRESS LLC2947864Oct 23, 2025Oct 23, 20251TN
COMMERCIAL HAULING CO INC226614Aug 16, 2023Aug 16, 20231AL
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.
675854TTNBLACK ROCK EXPRESS LLCOct 23, 2025Oct 23, 20251
264854TTNCOMMERCIAL HAULING CO INCAug 16, 2023Aug 16, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC