Equipment unit · VIN-decoded · NHTSA vPIC

1999 Mac trailer manufacturing MAC TRAILER MANUFACTURING

5MADN4029XC001998 · Trailer · TRAILER
Carriers run under2
32 mo
Inspections10
all-time
OOS inspections3
of 10
First seenOct 23, 2023
TX
Last seenJun 24, 2026
TX
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
5MADN4029XC001998
Make
Mac trailer manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
1999
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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 · Oct 23, 2023 – Jun 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 24, 2026TXII · Walk-around6—UNITED A1 TRANSPORT LLC 3933649246C353/TX
Mar 20, 2026TXII · Walk-around3OOSUNITED A1 TRANSPORT LLC 3933649246C353/TX
Dec 16, 2024TXII · Walk-around8—UNITED A1 TRANSPORT LLC 3933649246C353/TX
Oct 29, 2024TXII · Walk-around2—UNITED A1 TRANSPORT LLC 3933649246C353/TX
Oct 21, 2024TXII · Walk-around14—UNITED A1 TRANSPORT LLC 3933649246C353/TX
Oct 7, 2024TXII · Walk-around2—UNITED A1 TRANSPORT LLC 3933649246C353/TX
Aug 22, 2024TXII · Walk-around4—UNITED A1 TRANSPORT LLC 3933649246C353/TX
Jul 2, 2024TXI · Full14OOSUNITED A1 TRANSPORT LLC 3933649219C446/TX
Jun 19, 2024TXI · Full8—AUGUST STANISLAWSKI 1708274219C446/TX
Oct 23, 2023TXI · Full14OOSAUGUST STANISLAWSKI 1708274219C446/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNITED A1 TRANSPORT LLC3933649Jul 2, 2024Jun 24, 20268TX
AUGUST STANISLAWSKI1708274Oct 23, 2023Jun 19, 20242TX
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.
246C353TX2UNITED A1 TRANSPORT LLCAug 22, 2024 → Jun 24, 20267
219C446TX—UNITED A1 TRANSPORT LLCJul 2, 2024 → Jul 2, 20241
219C446TX—AUGUST STANISLAWSKIOct 23, 2023 → Jun 19, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026