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Propane Concrete Floor Grinder 24″ | Prep/Master 2418LP

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Looking for a propane concrete floor grinder for your next project?
Contact us today for pricing, availability, and expert recommendations.

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Prep/Master 2418LP 24″ Propane Concrete Floor Grinder

High-Performance Propane Concrete Floor Grinder for Mid-Size Projects

The Prep/Master 2418LP propane concrete floor grinder is a powerful, versatile machine designed for surface preparation, grinding, and polishing across concrete, terrazzo, marble, and stone floors. Built for contractors who need production efficiency without sacrificing maneuverability, this 24-inch grinder delivers the power of a larger machine in a compact, jobsite-friendly design.

Powered by a reliable 18HP Kawasaki propane engine, the 2418LP eliminates the need for a generator, making it ideal for mobile crews and job sites without easy electrical access.

The moveable pocket weight system adjusts head pressure depending upon application and the standard water tank makes it easy to switch from dry to wet work. Uses four tool plates (included). Recommended for project sizes up to 5,000 SF (500m2).


✅ Key Features of This Propane Concrete Floor Grinder

  • 24″ Grinding Width – Covers more surface area for faster production
  • 18HP Kawasaki Propane Engine – No generator required
  • Variable Speed Drive – Adjust performance for grinding or polishing
  • 4 Tool Plates / 12 Tools – Consistent, high-quality finish
  • Adjustable Weight System – Optimize head pressure for different applications
  • Wet or Dry Operation – Built-in water tank for flexibility
  • Compact & Maneuverable – Ideal for mid-size jobs and tighter spaces

This propane concrete floor grinder eliminates the need for generators and power cords on the jobsite.


⚙️ Propane Concrete Floor Grinder Specifications

  • Working Width: 24 inches (61 cm)
  • Engine: Kawasaki 18HP propane motor
  • Fuel Type: Propane
  • Weight: Approx. 895 lbs (406 kg)
  • Dimensions: ~78″ L x 24″ W x 48″ H
  • Tool Plates: 4
  • Total Tooling: 12 tools
  • Recommended Project Size: Up to 5,000 sq ft

🏗️ Applications for Concrete Floor Grinding & Polishing

Best Uses for a Propane Concrete Floor Grinder in Commercial Projects

The 2418LP is engineered for a wide range of surface prep and polishing applications:

  • Concrete grinding and polishing
  • Epoxy and coating removal
  • Terrazzo surface finishing
  • Warehouse and commercial floor prep
  • Adhesive and mastic removal
  • Stone and marble polishing

This propane concrete floor grinder is ideal for commercial and industrial concrete flooring applications.


🔥 Why Choose a Propane Floor Grinder?

Compared to electric grinders, a propane concrete floor grinder offers key advantages:

  • No power cords or generators required
  • Ideal for large or remote job sites
  • Faster setup and mobility
  • Consistent power output

The Prep/Master 2418LP is a top choice for contractors who need maximum flexibility and jobsite efficiency.


🧠 Why Choose the Prep/Master 2418LP?

  • Combines high production capability with excellent maneuverability
  • Built for contractors handling mid-size commercial projects
  • Compatible with a wide range of STI tooling systems
  • Designed for consistent, professional-grade results

Whether you’re polishing concrete floors or removing coatings, this machine delivers reliable performance across multiple surfaces.

Item # 432418001


electric concrete floor grinder Prep Master 2420

Watch the 2418LP in Action

❓ Frequently Asked Questions

What size jobs is the 2418LP best for?

This machine is ideal for projects up to approximately 5,000 square feet, making it perfect for mid-size commercial jobs.

Can this grinder be used for polishing concrete?

Yes. The 2418LP is designed for both grinding and polishing, depending on tooling selection.

Does this machine require a generator?

No. The propane engine eliminates the need for a generator, improving mobility and setup time.

What surfaces can this machine handle?

It is suitable for concrete, terrazzo, marble, and stone surfaces.

How many tools does it use?

The machine uses 4 tool plates with a total of 12 tools installed at once.


🔗 Related Resources

  • https://www.kawasakienginesusa.com/products/engines – Manufacturer of the 18HP propane engine
  • https://www.osha.gov/silica-crystalline/construction – Dust safety standards for grinding

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