With 32 in. wide grinding width PG 820 is our most productive concrete floor grinder suitable for industrial applications.

With planetary drive system and Dual Drive Technology™, PG 820 is one of the market's most powerful and efficient machines. Excellent choice for concrete floor preparation and repair as well as all polishing and grinding applications - both wet and dry. Perfect for HiPERFLOOR® concrete floor polishing system.


Grindingwidth - "®32 in
Rated input power - "®17 hp
Phases - "®3 ph


Want to take a closer look? Learn more about the product in depth by exploring its features and benefits.

Best in class
Outstanding productivity and reliability.

Dual Drive Technology™
Dual Drive Technology™ - fully independent control of both planetary and satellite grinding heads in regards to speed and direction of rotation.

High production rate
High power machinery with Dual Drive Technology™ capable of delivering high production rates, increasing profit and saving valuable time.

Gear-driven planetary head
Gear-driven planetary head; premium quality belt for powering grinding heads.

Time saving tool change
Redi Lock® is an instant and hassle-free system for changing diamond tooling.

Long service intervals
Thanks to the 5-way sealing mechanism, the spring steel head system and all zinc plated steel parts, service is not needed as often.

Ergonomic working position
Adjustable handlebar makes the setting of an ergonomic position easy.

Redi Lock®
Redi Lock® is an instant and hassle-free system for changing diamond tooling. Robust system design ensures maximum protection and life of your diamond tools.

Stable operation over undulating surfaces
The triple-headed grinder delivers more downward pressure and power to the grinding heads.

Strong durable design
Robust steel frame and strong single-piece aluminium cover.


Rated input power
17 hp
Rated current
43 A
200-240 V
3 ph
50 Hz

Grinding width
32 in
Grinding disc speed min
250 rpm
Grinding disc speed max
1100 rpm
Planetary head speed max
5-65 rpm
Direction of rotation
Independent FWD/REV direction control on both grinding discs and planetary head.
Number of grinding discs

Product size width
33 in
Product size height
80 in
1000 lbs