Equipment unit · VIN-decoded · NHTSA vPIC

2012 Mac Trailer Manufacturing

5MAMN4829CC024227 · Trailer · TRAILER
Carriers run under2
32 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJun 13, 2023
PA
Last seenFeb 24, 2026
PA
Inspected under 2 different carriers in 32 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
5MAMN4829CC024227
Make
Mac Trailer Manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2012
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Sep 22, 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
MN482

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

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
024227

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 · 347 decoded VINs at 100.0% prefix purity.

Model
MAC TRAILER MANUFACTURING

Prefix basis · 347 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 · Jun 13, 2023 – Feb 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 24, 2026PAIII · Driver-only1—WB SERVICES LLC 1314641859082ST/IL
Jun 13, 2023PAIII · Driver-only2—CIRCLE TRANSPORTATION CORP 2507074859082ST/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WB SERVICES LLC1314641Feb 24, 2026Feb 24, 20261PA
CIRCLE TRANSPORTATION CORP2507074Jun 13, 2023Jun 13, 20231PA
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.
859082STIL—WB SERVICES LLCFeb 24, 2026 → Feb 24, 20261
859082STIL—CIRCLE TRANSPORTATION CORPJun 13, 2023 → Jun 13, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 22, 2026