Prep/Master Junior

If you’re in need of a compact yet powerful and efficient floor grinding machine, the Prep/Master Jr. Electric Floor Grinding Machine is for you! Designed and crafted for small, medium, and large-sized surface preparation projects up to 1,000SF (100 2). Say goodbye to the dreaded days of limited accessibility and say hello to working with a more compact design that grants surface preparation professionals the ability to reach tight and hard-to-reach surfaces.

Due to the state-of-the-art STI rotary gear system, this grinder operates extremely smoothly yet aggressively. Along with that, this floor grinding machine is priced very cost-effectively when compared to other similarly capable machines.

Please note, it is recommended that any individual operating the Prep/Master Jr. Electric Floor Grinding Machine follows it’s safety manual as closely as possible in order to avoid safety hazards or risks as well as project downtime and other project-related setbacks.


Experience the little machine that could! This machine is one of our favorite in house models.
It has a 23" grinding surface that draws 7.5 horsepower from a 240v single phase motor.
450 lbs