Six S Trucking Inc

USDOT 3973496MC-1485553USDOT activeAuthority active· Yankton, SD

Six S Trucking Inc (USDOT 3973496) holds active operating authority as a motor carrier of property under MC-1485553 based in Yankton, SD. The earliest grant on file is from November 2022, 3 years, 11 months ago. $1,000,000 of liability coverage is on file with Great West Casualty Co. It reported 2 power units and 1 driver on its last MCS-150 update (June 2025).

Operating authority

Docket	Authority	Status	Insurance required	On file
MC-1485553	Motor carrier of property	Active	$750,000 liability	$1,000,000 liability

Earliest grant on file: Nov 17, 2022 (3 years, 11 months ago).

Insurance and bonds on file

Type	Insurer	Coverage	Effective	Cancellation
Liability (BIPD) · form 91X	Great West Casualty Co.	$1,000,000	Nov 9, 2022	—

Confirm coverage with the insurer before tendering a load.

Authority history

Date	Docket	Action
Nov 17, 2022	MC-1485553	Granted · motor carrier of property

Registration

USDOT number	3973496
USDOT status	Active
MC number	MC-1485553
Legal name	Six S Trucking Inc
Operation	Interstate
Classification	Authorized for hire, Exempt for hire
Location	Yankton, South Dakota 57078
USDOT added	Oct 20, 2022
Last MCS-150 update	Jun 9, 2025
Safety rating	Not rated

Fleet

Power units	2
Trucks	2
Drivers	1 · 1 with a CDL
Annual miles	110,000 · 2024

Cargo carried

General freight, Grain, feed, hay, other

Check it yourself

Data as of Nov 14, 2026. Sources

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