American Sanders Orbital Floor Sander
Score: 85/100
Onfloor 16 Inch Floor Sander
Score: 88/100Rankings

The Onfloor OF16S-H is a high-speed planetary floor grinder featuring a 1.5 HP motor and integrated 1 HP vacuum for superior dust control. Its patented triple-belt system and foldable design make it highly efficient and portable for professional contractors. However, the 16A power draw requires a dedicated 20A circuit, and the motor may overheat during extended heavy-duty use.
The American Sanders - Clarke 07081B is a professional-grade 18-inch orbital floor sander designed for hardwood refinishing, featuring a 1.0 HP motor and integrated dust control system. Its random-orbital action delivers a swirl-free finish, making it ideal for final finishing stages. However, its heavy 125 lb weight and single-pad design limit its versatility for edge work and solo operation.
| Attribute | American Sanders Orbital Floor Sander | ![]() |
|---|---|---|
18 inchesbest | 16 inches | |
746 W | 1,119 Wbest | |
3,600 rpmbest | 3,450 rpm | |
| ↓ lower better | 109 lbsbest | 160 lbs |
50 ftbest | — | |
12 inchesbest | — | |
115 Vbest | 110 V | |
1.5 inchesbest | 1.5 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | American Sanders Orbital Floor Sander | ![]() |
|---|---|---|
Dust & Vacuum(1) | ||
Dust Collection System | Integrated Vacuum Fan | On-Board Vacuum |
Sanding Performance(4) | ||
Sanding Path Width (inches) | 18 inches | 16 inches |
Drum Speed (rpm) | 3600 rpm | 3450 rpm |
Sanding Mechanism | Orbital | Planetary |
Abrasive Paper Size (inches) | 12x18 inches | N/A inches |
Power & Electrical(4) | ||
Motor Power (W) | 746 W | 1119 W |
Power Cord Length (ft) | 50 ft | N/A ft |
Voltage (V) | 115 V | 110 V |
Full Load Amperage (A) | N/A A | 16 A |
Physical & Ergonomics(3) | ||
Tool Weight (lbs) | 109 lbs | 160 lbs |
Handle Configuration | Lifting Handle | Foldable Handle |
Overall Dimensions | 20x45x18.5 | 16x16x16 |
Safety & Warranty(3) | ||
Safety Protection | Hospital-grade Plug | Circuit Breaker, Thermal Protector |
Warranty Duration (years) | 1 years | N/A years |
Included Accessories | Vacuum Fan, Dust Skirt, Wheels, Handle, Cable | Handle, Circuit Breaker, Vacuum Adapter |

Manufacturer and retailer descriptions position the OBS-18DC as the industry's most powerful orbital floor sander, emphasizing its heavy-duty build, precision, and dust compatibility with systems like AVAC vacuums. It is portrayed as essential for contractors demanding power, precision, and versatility for residential and commercial floor refinishing.
There is no consumer sentiment data available as search results indicate a lack of public testimonials, with one retailer noting 'Be the first to review this product.' Consequently, common themes regarding everyday user experiences cannot be identified.

Professional reviewers and editors highlight the Onfloor OF16S-H as a mastercraft grinder that excels in speed and portability. Experts praise its 3450 RPM motor and planetary drive for delivering high production rates on concrete and wood while maintaining safety through onboard circuit breakers.
Everyday users and DIYers appreciate the machine's speed and ease of use, often noting it is simple enough for beginners to master quickly. Common praise focuses on its effectiveness in removing adhesives and its lightweight nature. However, recurring complaints center on electrical issues with standard home breakers and motor overheating during extended use periods.
“Super fast on glue/mastic removal-did 300 sq ft in under an hour”

“Easy to maneuver at 160 lbs; folds for transport”

“Tripped my 15A breaker twice; need dedicated 20A line”

