Equipment unit · VIN-decoded · NHTSA vPIC

2020 Mac trailer manufacturing MAC TRAILER MANUFACTURING

5MAMN4821LW056037 · Trailer · TRAILER
Carriers run under2
24 mo
Inspections5
all-time
OOS inspections1
of 5
First seen09/13/2023
AL
Last seen09/23/2025
TN
Inspected under 2 different carriers in 24 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
5MAMN4821LW056037
Make
Mac trailer manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2020
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
07/02/2026
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 · 09/13/2023 – 09/23/2025

DateStateLevelViol.OOSCarrier (DOT)Plate
09/23/2025TNIII · Driver-only0—SHAW TRUCKING INC 1062814131929A/MS
10/16/2024TNII · Walk-around2OOSSHAW TRUCKING INC 1062814131929A/MS
07/02/2024TNII · Walk-around3—SHAW TRUCKING INC 1062814131929A/MS
03/29/2024TNIII · Driver-only3—SHAW TRUCKING INC 1062814131929A/UK
09/13/2023ALII · Walk-around1—ATOMIC TRANSPORT LLC 2496911TLR131929A/MS
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SHAW TRUCKING INC106281403/29/202409/23/20254TN
ATOMIC TRANSPORT LLC249691109/13/202309/13/20231TN
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.
131929AMS—SHAW TRUCKING INC07/02/2024 → 09/23/20253
131929AUK—SHAW TRUCKING INC03/29/2024 → 03/29/20241
TLR131929AMS—ATOMIC TRANSPORT LLC09/13/2023 → 09/13/20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/02/2026