Equipment unit · VIN-decoded · NHTSA vPIC

2019 Mac trailer manufacturing MAC TRAILER MANUFACTURING

5MADN4021KW045534 · Trailer · TRAILER
Carriers run under2
27 mo
Inspections6
all-time
OOS inspections1
of 6
First seenJun 20, 2023
SC
Last seenSep 17, 2025
KY
Inspected under 2 different carriers in 27 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
5MADN4021KW045534
Make
Mac trailer manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2019
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 25, 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 20, 2023 – Sep 17, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 17, 2025KYIII · Driver-only0—WAYLON A JEFFERS 1130003206334T/TN
Dec 14, 2023KYI · Full2—CLINCH MOUNTAIN TRANSPORT INC 487665206334T/TN
Dec 8, 2023TNIII · Driver-only0—CLINCH MOUNTAIN TRANSPORT INC 487665206334T/TN
Dec 7, 2023GAIII · Driver-only1—CLINCH MOUNTAIN TRANSPORT INC 487665206334T/GA
Oct 18, 2023KYII · Walk-around1—CLINCH MOUNTAIN TRANSPORT INC 487665206334T/TN
Jun 20, 2023SCII · Walk-around3OOSCLINCH MOUNTAIN TRANSPORT INC 487665U766921/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WAYLON A JEFFERS1130003Sep 17, 2025Sep 17, 20251TN
CLINCH MOUNTAIN TRANSPORT INC487665Jun 20, 2023Dec 14, 20235TN
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.
206334TTN—WAYLON A JEFFERSSep 17, 2025 → Sep 17, 20251
206334TTN—CLINCH MOUNTAIN TRANSPORT INCOct 18, 2023 → Dec 14, 20233
206334TGA—CLINCH MOUNTAIN TRANSPORT INCDec 7, 2023 → Dec 7, 20231
U766921TN—CLINCH MOUNTAIN TRANSPORT INCJun 20, 2023 → Jun 20, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026