Carrier profile · USDOT 75810 · MC-35628 · Updated Jun 13, 2026

INTERSTATE MOTOR FREIGHT SYSTEM INC

DBA INTERSTATE SYSTEM

1,947 power unitsGRAND RAPIDS, MI50/100
CARRIER INACTIVEMC-35628 INACTIVE
Verified linksFMCSA SAFER

Equipment

Haulable capacity (power units only — trailers are towed context), equipment mix, and the VIN-decoded unit roster. Click any VIN to trace that unit across every carrier that has run it.

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150)
1,947
Observed power (24 mo)
—
Trailers (towed)
—

Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.