Equipment unit · VIN-decoded · NHTSA vPIC

2011 Mac Trailer Manufacturing

5MAPA5323BA020531 · Trailer · TRAILER
Carriers run under2
30 mo
Inspections7
all-time
OOS inspections2
of 7
First seenAug 7, 2023
IL
Last seenFeb 5, 2026
AZ
Inspected under 2 different carriers in 30 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
5MAPA5323BA020531
Make
Mac Trailer Manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2011
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Sep 1, 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
PA532

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1981 or 2011

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

North American serial sequence
020531

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 · 984 decoded VINs at 100.0% prefix purity.

Model
MAC TRAILER MANUFACTURING

Prefix basis · 984 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
2011

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 7, 2023 – Feb 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 5, 2026AZIII · Driver-only0A&B CONTRACTING LLC 750540L55891/IN
Dec 9, 2025KYI · Full1A&B CONTRACTING LLC 750540L55891/IN
Nov 14, 2025INIII · Driver-only1A&B CONTRACTING LLC 750540L55891/IN
Dec 20, 2024KYII · Walk-around2OOSA&B LOGISTICS LLC 4175419L55891/IN
Jun 17, 2024NCI · Full0A&B CONTRACTING LLC 750540L55891/IN
Nov 1, 2023KYI · Full7OOSA&B CONTRACTING LLC 750540L55891/IN
Aug 7, 2023ILIII · Driver-only1A&B CONTRACTING LLC 750540L55891/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
A&B CONTRACTING LLC750540Aug 7, 2023Feb 5, 20266IN
A&B LOGISTICS LLC4175419Dec 20, 2024Dec 20, 20241IN
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.
L55891INA&B CONTRACTING LLCAug 7, 2023Feb 5, 20266
L55891INA&B LOGISTICS LLCDec 20, 2024Dec 20, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 1, 2026