Equipment unit · VIN-decoded · NHTSA vPIC

2021 Freightliner SD122

3AKJGND18MDMA3872 · Truck-Tractor · TRUCK

Carriers run under2

14 mo

Inspections3

all-time

OOS inspections0

of 3

First seenMay 20, 2024

Last seenJul 24, 2025

Inspected under 2 different carriers in 14 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.

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN: 3AKJGND18MDMA3872
Make: Freightliner
Model: SD122
Model year: 2021
Body class: Truck-Tractor
Vehicle type: TRUCK
GVWR: Class 8: 33,001 lb and above (14,969 kg and above)
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.

Inspection history

Every roadside inspection of this VIN, newest first · May 20, 2024 – Jul 24, 2025

Date	State	Level	Viol.	OOS	Carrier (DOT)	Plate
Jul 24, 2025	MI	I · Full	7	—	ROOFLINE INC 739235	BE18478/MI
Sep 26, 2024	MI	III · Driver-only	1	—	ROCK BOTTOM STONE SUPPLY LLC 2283360	BC35480/MI
May 20, 2024	MI	II · Walk-around	4	—	ROCK BOTTOM STONE SUPPLY LLC 2283360	BC35480/MI

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

Carrier	DOT	First seen	Last seen	Insp.	State
ROOFLINE INC	739235	Jul 24, 2025	Jul 24, 2025	1	TX
ROCK BOTTOM STONE SUPPLY LLC	2283360	May 20, 2024	Sep 26, 2024	2	MI

Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.

Plate & unit-number history

The same truck under different plate registrations across carriers

Plate	State / prov.	Unit no.	Carrier	Date range	Insp.
BE18478	MI	—	ROOFLINE INC	Jul 24, 2025 → Jul 24, 2025	1
BC35480	MI	—	ROCK BOTTOM STONE SUPPLY LLC	May 20, 2024 → Sep 26, 2024	2

Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 2, 2026