Equipment unit · VIN-decoded · NHTSA vPIC

2009 Mac Trailer Manufacturing

5MAPA48229A016970 · Trailer · TRAILER
Carriers run under2
28 mo
Inspections6
all-time
OOS inspections1
of 6
First seenAug 30, 2023
SC
Last seenDec 29, 2025
SC
Inspected under 2 different carriers in 28 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
5MAPA48229A016970
Make
Mac Trailer Manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2009
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 8, 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
PA482

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
2009 or 2039

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

North American serial sequence
016970

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 · 1,229 decoded VINs at 100.0% prefix purity.

Model
MAC TRAILER MANUFACTURING

Prefix basis · 1,229 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
2009

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 30, 2023 – Dec 29, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 29, 2025SCII · Walk-around14OOSALPHA TRANSPORTATION SYSTEMS INC 12422945096550/ME
Nov 9, 2025SCIII · Driver-only0ALPHA TRANSPORTATION SYSTEMS INC 12422945096550/ME
Oct 12, 2025NCIII · Driver-only0MUELLER AUTOMOTIVE LLP 33599475096550/ME
Aug 22, 2024NCIII · Driver-only0ALPHA TRANSPORTATION SYSTEMS INC 12422945096550/ME
Jun 28, 2024VAIII · Driver-only2ALPHA TRANSPORTATION SYSTEMS INC 12422945096550/ME
Aug 30, 2023SCIII · Driver-only3ALPHA TRANSPORTATION SYSTEMS INC 12422945096550/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALPHA TRANSPORTATION SYSTEMS INC1242294Aug 30, 2023Dec 29, 20255NC
MUELLER AUTOMOTIVE LLP3359947Oct 12, 2025Oct 12, 20251NC
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.
5096550MEALPHA TRANSPORTATION SYSTEMS INCAug 30, 2023Dec 29, 20255
5096550MEMUELLER AUTOMOTIVE LLPOct 12, 2025Oct 12, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 8, 2026