VEVOR Drain Cleaner Machine 100 FT x 1/2 Inch, Auto Feed Sewer Snake Drain Auger on Wheels, Portable Drain Cleaning Machine with 8 Cutters & Air-Activated Foot Switch for 2" to 6" Pipes

Yes, this machine can cut tree roots in 4-inch pipes, 4-inch pipe is within its applicable pipe range of 2"to 6".

The device has a rotation speed of 1700 and a power of 200W.