Husqvarna PG 510 Floor Grinder - 970754903
The PG 510 is a planetary floor grinder with three grinding discs and a total grinding width of 515 mm. It is suitable for removing coatings, grinding and polishing concrete, etc. The grinding head on the PG 510 is effectively sealed to keep dust and moisture out. This greatly extends the lifetime of the bearings and belts. The PG 510 is ideal as a rental machine and suitable for both professional and semi-professional work. Quick-release couplings allow the grinding head to be separated from the chassis which can then be easily folded for transport. The grinder also has a digital hour meter.
Features
- Performs all types of applications such as concrete grinding, coating removal, concrete repair and polishing
- User-friendly logical control panel with overload protection - speed is fixed and no settings are required
- Self-adjusting floating cover with brush skirt follows the surface of the floor and the tight seal prevents dust from entering the working environment
- The machine is light and fits easily in any car thanks to the compact design and foldable frame and dividable parts
- The machine has three grinding discs making it suitable for a wide range of applications
- The grinding head is effectively sealed to keep dust and moisture out, greatly extending the lifetime of the bearings and belt
- EZchange is an instant and hassle-free system for changing diamond tooling
- Diamond segments and accessories sold separately
Specifications
| MPN |
970754903 |
| Power Supply |
1-phase |
| Voltage |
220-240 V |
| Engine Power |
4 hp |
| Rated Current |
18 amps |
| Pins |
2-pins |
| Grinding Disc Width |
20" (515 mm) |
| Number of Grinding Discs |
3 |
| Grinding Disc Diameter |
9" (229 mm) |
| Grinding Disc Speed |
438 rpm |
| Direction of Rotation |
One Direction |
| Dimensions |
60" x 22" x 37" (1,525 x 555 x 950 mm) |
| Weight |
265 lb (120 kg) |
What our Experts Think
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Professional-Grade Surface Prep
Planetary floor grinder with three grinding discs and 515 mm (20 in) width, ideal for concrete grinding, coating removal and light polishing — a versatile choice for contractors and pros.
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Durable & Dust-Smart Design
Sealed grinding head and self-adjusting floating cover provide strong dust management, protecting bearings and belts to extend service life — crucial for jobsite reliability.
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Easy to Operate & Maintain
Fixed-speed operation with a logical control panel and overload protection means minimal setup and operator fatigue, even for less experienced users.
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Transport-Friendly Construction
Foldable frame and quick-release coupling let you separate the grinding head from the chassis, simplifying transport, setup and storage.
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Efficient & Productive
Three-head planetary system ensures stable, consistent contact and rapid surface removal over uneven floors — enhancing productivity on coatings, concrete repair or finish prep.
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Rental Market & Versatile Use
Designed to excel in rental fleets and professional workflows where reliability, ease-of-use and performance drive popularity and strong SEO/merchant relevance.
Q&A
Q: What is the Husqvarna PG 510 Floor Grinder?
A: A planetary floor grinder designed for professional surface preparation, including coating removal, concrete grinding, and polishing.
Q: What are its core specifications?
A: Features three grinding discs with a 515 mm (20″) grinding width, 4 kW/4 hp motor, and weighs around 133 kg (varies by configuration).
Q: What applications is it best suited for?
A: Ideal for floor prep, surface levelling, coating removal, concrete polishing, and repair work on commercial and industrial floors.
Q: What performance and usability features does it offer?
A: Planetary grinding system for even results, efficient dust management, sealed grinding head to protect components, digital hour meter, and quick-release chassis for easier transport.
Q: Who is this grinder ideal for?
A: Contractors, surface prep professionals, and rental fleets looking for a reliable, powerful grinder with reduced maintenance and strong dust control.
Q: Why choose the PG 510 over similar grinders?
A: Offers durable construction, fixed-speed simplicity, Redi Lock® tooling option for fast disc changes, and strong dust sealing to extend service life.
Maintenance Tips
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Clean after each use – Remove dust, debris and slurry from grinding head, guards and air openings to prevent buildup and overheating.
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Inspect grinding discs – Check diamond tools for wear or damage before and after use; replace worn discs to maintain optimal grinding performance.
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Check electrical components – Ensure power cord, plugs and emergency stop function are intact and undamaged before operation.
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Monitor wear parts – Examine grind holders and rubber components regularly; replace if worn to prevent uneven grinding.
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Verify dust extraction – Always connect a compatible dust vacuum and keep filters clean to protect bearings and internal parts.
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Tighten fasteners – Secure all bolts, handles and guards before grinding to ensure stability and safety.
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Proper storage – Store the grinder in a dry, clean area and cover when not in use to reduce corrosion and prolong service life.
