Equipment unit · VIN-decoded · NHTSA vPIC

2014 Mac trailer manufacturing MAC TRAILER MANUFACTURING

5MAPA4820EA028576 · Trailer · TRAILER
Carriers run under3
31 mo
Inspections8
all-time
OOS inspections2
of 8
First seenSep 28, 2023
MO
Last seenApr 22, 2026
CA
Inspected under 3 different carriers in 31 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
5MAPA4820EA028576
Make
Mac trailer manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2014
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 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 · Sep 28, 2023 – Apr 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 22, 2026CAI · Full1OOSWELKIN TRANSPORT LTD 256143793063L/BC
Mar 20, 2026MTIII · Driver-only0—WELKIN TRANSPORT LTD 256143743063L/BC
Dec 18, 2025CAI · Full1OOSZINCO TRANSPORT LTD 251021521614L/BC
Dec 16, 2025CAII · Walk-around0—ZINCO TRANSPORT LTD 251021521614L/BC
Sep 23, 2025COIII · Driver-only0—ZINCO TRANSPORT LTD 251021521614L/BC
Jun 23, 2025MNIII · Driver-only2—ZINCO TRANSPORT LTD 251021521614L/BC
May 13, 2025COIII · Driver-only0—ZINCO TRANSPORT LTD 251021521614L/BC
Sep 28, 2023MOII · Walk-around4—BLUE FLAME TRANSPORT LTD 367546619457K/BC
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WELKIN TRANSPORT LTD2561437Mar 20, 2026Apr 22, 20262BC
ZINCO TRANSPORT LTD2510215May 13, 2025Dec 18, 20255BC
BLUE FLAME TRANSPORT LTD3675466Sep 28, 2023Sep 28, 20231BC
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.
93063LBC—WELKIN TRANSPORT LTDApr 22, 2026 → Apr 22, 20261
43063LBC—WELKIN TRANSPORT LTDMar 20, 2026 → Mar 20, 20261
21614LBC—ZINCO TRANSPORT LTDMay 13, 2025 → Dec 18, 20255
19457KBC—BLUE FLAME TRANSPORT LTDSep 28, 2023 → Sep 28, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 2, 2026