Equipment unit · VIN-decoded · NHTSA vPIC

2009 Mac trailer manufacturing 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 3, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
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-only0—ALPHA TRANSPORTATION SYSTEMS INC 12422945096550/ME
Oct 12, 2025NCIII · Driver-only0—MUELLER AUTOMOTIVE LLP 33599475096550/ME
Aug 22, 2024NCIII · Driver-only0—ALPHA TRANSPORTATION SYSTEMS INC 12422945096550/ME
Jun 28, 2024VAIII · Driver-only2—ALPHA TRANSPORTATION SYSTEMS INC 12422945096550/ME
Aug 30, 2023SCIII · Driver-only3—ALPHA 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.
5096550ME—ALPHA TRANSPORTATION SYSTEMS INCAug 30, 2023 → Dec 29, 20255
5096550ME—MUELLER AUTOMOTIVE LLPOct 12, 2025 → Oct 12, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 3, 2026