Equipment unit · VIN-decoded · NHTSA vPIC

2013 Mac trailer manufacturing MAC TRAILER MANUFACTURING

5MADN3924DC023531 · Trailer · TRAILER
Carriers run under3
29 mo
Inspections5
all-time
OOS inspections0
of 5
First seenJun 22, 2023
CA
Last seenNov 10, 2025
CA
Inspected under 3 different carriers in 29 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
5MADN3924DC023531
Make
Mac trailer manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2013
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 2, 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 · Jun 22, 2023 – Nov 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 10, 2025CAIII · Driver-only0—CSF TRANSPORT LLC 39984404RZ7309/CA
Oct 31, 2025CAII · Walk-around2—CSF TRANSPORT LLC 39984404RZ7309/CA
Jan 15, 2024CAIII · Driver-only0—SANTIAGO HERNANDEZ TRUCKING INC 32470824RZ7309/CA
Jun 29, 2023CAI · Full1—SANTIAGO A HERNANDEZ 27318784RZ7309/CA
Jun 22, 2023CAI · Full1—SANTIAGO A HERNANDEZ 27318784RZ7309/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CSF TRANSPORT LLC3998440Oct 31, 2025Nov 10, 20252CA
SANTIAGO HERNANDEZ TRUCKING INC3247082Jan 15, 2024Jan 15, 20241CA
SANTIAGO A HERNANDEZ2731878Jun 22, 2023Jun 29, 20232CA
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.
4RZ7309CA—CSF TRANSPORT LLCOct 31, 2025 → Nov 10, 20252
4RZ7309CA—SANTIAGO HERNANDEZ TRUCKING INCJan 15, 2024 → Jan 15, 20241
4RZ7309CA—SANTIAGO A HERNANDEZJun 22, 2023 → Jun 29, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 2, 2026