Equipment unit · VIN-decoded · NHTSA vPIC

2012 Mac Trailer Manufacturing

5MADN4028CC024571 · Trailer · TRAILER
Carriers run under2
25 mo
Inspections4
all-time
OOS inspections0
of 4
First seenAug 24, 2023
IN
Last seenSep 29, 2025
IN
Inspected under 2 different carriers in 25 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
5MADN4028CC024571
Make
Mac Trailer Manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2012
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 17, 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
DN402

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1982 or 2012

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

North American serial sequence
024571

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 · 615 decoded VINs at 100.0% prefix purity.

Model
MAC TRAILER MANUFACTURING

Prefix basis · 615 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
2012

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 · Aug 24, 2023 – Sep 29, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 29, 2025INII · Walk-around0JENNINGS TRANSPORT LLC 4147707PD55219/IN
Sep 23, 2025INII · Walk-around0JENNINGS TRANSPORT LLC 4147707PD55219/IN
Jan 31, 2025INII · Walk-around0JENNINGS TRANSPORT LLC 4147707SP589MXC/IN
Aug 24, 2023INIII · Driver-only1BRIAN DINING 3157398SP589MXC/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JENNINGS TRANSPORT LLC4147707Jan 31, 2025Sep 29, 20253IN
BRIAN DINING3157398Aug 24, 2023Aug 24, 20231IL
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.
PD55219INJENNINGS TRANSPORT LLCSep 23, 2025Sep 29, 20252
SP589MXCINJENNINGS TRANSPORT LLCJan 31, 2025Jan 31, 20251
SP589MXCINBRIAN DININGAug 24, 2023Aug 24, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 17, 2026