Key Specs
Motor
1.5 HP
Voltage / Frequency
120V / 60 Hz
Pad Driver Speed
3,540 RPM / orbits per minute
Power Cord
50 ft, 14/3 safety yellow
Weights
Three removable 21 lb weights
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Clarke FM40 LX Floor Machine
The Clarke FM40 LX Floor Machine is a deluxe orbital floor machine designed for wet and dry floor care, including scrubbing, stripping, screening, sanding, polishing, buffing, bonnet cleaning, and baseboard cleaning. Built with a 14-inch x 20-inch rectangular orbital deck, a 1.5 HP motor, 3,540 RPM pad speed, and 160 pounds of down pressure, the FM40 LX gives operators strong cleaning performance with less side torque than many traditional rotary floor machines.
This machine is a strong choice for schools, universities, healthcare facilities, retail stores, commercial offices, building service contractors, supermarkets, hotels, gymnasiums, and facility maintenance teams that need one versatile machine for multiple floor care applications.
Deluxe Orbital Floor Machine Performance
The Clarke FM40 LX is designed as a versatile replacement for multiple floor machines. Its orbital deck allows operators to perform a wide range of tasks, from daily scrubbing and floor prep to chemical-free stripping, marble polishing, concrete burnishing, and bonnet carpet cleaning.
The rectangular deck also gives the machine better edge and corner reach than many round-pad machines, helping reduce hand detailing and improve productivity.
14 x 20 Inch Rectangular Pad Deck
The FM40 LX uses a 14-inch x 20-inch rectangular pad deck. This pad size gives operators a broad working area while maintaining a compact footprint that is easy to maneuver in hallways, classrooms, offices, retail aisles, lobbies, and other commercial spaces.
The rectangular deck is especially useful along edges, in corners, near baseboards, and around obstacles where round machines often leave more detail work behind.
1.5 HP Motor
The Clarke FM40 LX is powered by a full 1.5 HP motor. This motor gives the machine the strength needed for demanding floor care tasks, including stripping, scrubbing, sanding, screening, and polishing.
The motor drives the orbital deck at high speed while maintaining the torque and pressure needed for consistent cleaning and finish preparation.
3,540 RPM Orbital Pad Speed
The FM40 LX operates at 3,540 RPM, giving the pad driver a fast orbital action that helps improve cleaning results and reduce the need for multiple passes. This high-speed orbital motion helps the machine scrub, polish, strip, and prep floors effectively without the same side pull often associated with traditional rotary floor machines.
The orbital movement also helps improve operator control and reduces fatigue during longer floor care jobs.
160 Pounds of Down Pressure
The Clarke FM40 LX is designed with approximately 160 pounds of down pressure when configured with the included weights. This gives the machine the pressure needed for effective floor prep, stripping, scrubbing, and surface refinement.
The LX model includes three removable 21-pound weights, allowing crews to remove weight for easier transport or adjust setup based on the application.
Wheels-Up / Wheels-Down Operating Modes
One of the key LX features is the ability to operate in wheels-up or wheels-down mode. This gives operators the ability to quickly switch from traditional floor machine operation to a back-and-forth burnisher-style motion.
This flexibility helps the FM40 LX adapt to different tasks, floor types, and operator preferences.
Built-In Baseboard Cleaner
The FM40 LX comes standard with a baseboard cleaner attachment. This attachment allows operators to clean baseboards without purchasing a separate machine or scrubbing by hand.
For schools, healthcare facilities, offices, and public buildings, baseboard cleaning can be time-consuming. The LX baseboard cleaner helps reduce labor and improves the overall appearance of the space.
Tool-Free Disassembly for Transport
The Clarke FM40 LX is designed to disassemble without tools, making it easier to transport between jobsites, load into vehicles, and move through buildings. The removable handle and removable weights make the machine more manageable for building service contractors and facility teams.
This is a major advantage for contractors and multi-building facilities that need to move floor care equipment frequently.
Low Noise and Low Vibration
The FM40 LX is designed for quiet, low-vibration operation. Clarke/Nilfisk materials list the sound level at approximately 68 dBA, making the machine practical for use in noise-sensitive environments.
This is useful in schools, healthcare facilities, offices, retail stores, and other occupied buildings where cleaning may happen during business hours.
Wet and Dry Applications
The FM40 LX is designed for both wet and dry applications. It can be used for wet scrubbing, stripping, and floor prep, as well as dry sanding, screening, polishing, and burnishing-type tasks when paired with the correct pads, screens, and floor care process.
This flexibility makes the machine a strong multipurpose tool for floor maintenance programs.
Chemical-Free Stripping and Floor Prep
The Clarke FM40 LX is commonly used for chemical-free stripping and floor preparation when paired with the correct surface preparation pads. Facilities that want to reduce chemical use may use orbital floor machines like the FM40 LX for finish removal, top scrub, and recoat preparation.
Proper pad selection, water use, and process control are important for good results.
Great for Multiple Floor Types
With the correct pad, screen, or accessory, the Clarke FM40 LX can be used on a variety of surfaces and floor care tasks, including:
- VCT floor scrubbing
- Floor finish removal
- Top scrub and recoat preparation
- Chemical-free stripping
- Marble polishing
- Terrazzo polishing
- Concrete polishing support
- Tile and grout cleaning
- Gym floor screening
- Wood floor sanding and screening
- Bonnet carpet cleaning
- Baseboard cleaning
- Daily floor scrubbing
- Dry polishing and buffing
Operator-Friendly Design
Orbital machines are easier for many operators to control because they do not pull side-to-side like traditional rotary machines. The FM40 LX's orbital action allows the operator to guide the machine forward, backward, and side-to-side with less strain.
This makes the machine easier to train on and more comfortable for long cleaning tasks.
50-Foot Safety Yellow Power Cord
The FM40 LX includes a 50-foot 14/3 safety yellow power cord. The long cord gives operators a practical working radius from available outlets while helping improve visibility and cord safety.
Cord management is important during operation to avoid tangles, trip hazards, and contact with wet areas.
What the Clarke FM40 LX Can Be Used For
With the proper pads, screens, and accessories, the Clarke FM40 LX Floor Machine can be used for applications such as:
- Daily floor scrubbing
- Deep scrubbing
- Chemical-free stripping
- Floor finish removal
- Top scrub and recoat preparation
- Floor buffing
- Terrazzo polishing
- Marble polishing
- Concrete polishing support
- Wood gym floor screening
- Floor sanding support
- Tile and grout cleaning
- Bonnet carpet cleaning
- Baseboard cleaning
- Wet floor cleaning
- Dry floor preparation
Key Features
- Deluxe orbital floor machine
- Clarke FM40 LX model
- Product number 56105620
- 14-inch x 20-inch rectangular pad deck
- 1.5 HP motor
- 3,540 RPM orbital pad driver
- 1/4-inch orbit diameter
- 160 pounds of down pressure
- Three removable 21-pound weights
- 50-foot 14/3 safety yellow power cord
- 120V / 60 Hz cord-electric operation
- 68 dBA sound level
- Wheels-up / wheels-down operating modes
- Standard baseboard cleaner attachment
- Detachable handle
- Tool-free disassembly for transport
- Low-vibration design
- Suitable for wet and dry applications
- Strong fit for scrubbing, stripping, polishing, buffing, screening, sanding, bonnet cleaning, and baseboard cleaning
Included Items
The Clarke FM40 LX Floor Machine is commonly sold with items such as:
- Clarke FM40 LX orbital floor machine
- Rectangular pad driver
- Three 21-pound removable weights
- Baseboard cleaner attachment
- Detachable handle assembly
- 50-foot power cord
- Operator documentation
Included accessories may vary by supplier, package, and machine configuration.
Recommended Accessories
The Clarke FM40 LX is commonly paired with accessories and support items such as:
- 14-inch x 20-inch floor pads
- 3M SPP pads
- Sanding screens
- Diamond pads
- Scrubbing pads
- Stripping pads
- Burnishing or polishing pads
- Bonnet carpet cleaning pads
- Baseboard cleaning pads
- Replacement pad driver parts
- Floor finish stripper where chemical stripping is used
- Floor neutralizer
- Floor finish
- Operator PPE
Accessory requirements vary by floor type, coating system, finish condition, and cleaning process.
Ideal Applications
The Clarke FM40 LX Floor Machine is a strong fit for:
- School floor care
- Healthcare facility floor maintenance
- Retail floor cleaning
- Office building floor care
- Grocery store floor maintenance
- Gym floor screening
- Marble and terrazzo polishing
- Concrete floor care
- Baseboard cleaning
- Bonnet carpet cleaning
- Commercial cleaning accounts
- Building service contractors
- Facilities that need one machine for multiple floor care tasks
Why Choose the Clarke FM40 LX Floor Machine?
The Clarke FM40 LX is built for facilities and contractors that need a versatile orbital floor machine with strong down pressure, low vibration, and application flexibility. Its 14 x 20 inch rectangular deck, 1.5 HP motor, 3,540 RPM orbital motion, 160 pounds of down pressure, baseboard cleaner, removable weights, and wheels-up/wheels-down modes make it a powerful choice for wet and dry floor care.
For professionals who scrub, strip, polish, buff, screen, sand, bonnet clean, or maintain baseboards, the Clarke FM40 LX offers a strong combination of versatility, productivity, operator control, and jobsite convenience.
See It In Action
Finance This Machine
Rates from 5.05% · Terms up to 84 months · Apply in minutes
50+ Years in Business
Serving customers since 1977
5 Locations
4 in Ohio, 1 in Florida
Factory-Trained Technicians
Certified service after the sale
Parts & Service
In-stock parts, fast turnaround

More from Clarke
Clarke has been manufacturing professional floor care equipment for over 90 years, offering one of the broadest product lines in the commercial cleaning industry. From compact walk-behind scrubbers and industrial sweepers to carpet extractors, floor machines, and vacuums, Clarke covers every floor type and facility size. Jordan Power Equipment is a stocking Clarke dealer with 35 models in inventory — all in stock. Clarke equipment is trusted by janitorial contractors, facility managers, and building service contractors across the country.
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