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Tomahawk 20 Inch Walk Behind Concrete Saw with 13 HP Honda Water Tank GX390 Engine for Asphalt Concrete Cutting

PRE ORDER: THIS ITEM ARRIVES APRIL 30TH AND WILL SHIP OUT THE FOLLOWING BUSINESS DAY

CUTTING EDGE PRECISION

 

Description

Built tough for all-day performance, Tomahawk Walk-Behind Concrete Saws are engineered for pros who don’t back down from big jobs. This 20-inch concrete cutter is built for high-performance use on commercial job sites including asphalt cutting, driveway and sidewalk repairs, concrete slab demolition, and trenching. Powered by a commercial-grade Honda GX390 13HP engine, this flat saw delivers reliable torque, smooth operation, and deep cuts up to 7.1 inches. An OSHA-compliant water tank suppresses dust and cools the blade, while the manual depth control offers clean, accurate results.

Features

[POWERED BY HONDA] Built with a commercial-grade Honda GX390 engine for unmatched reliability, torque, and long-lasting performance.

[20-INCH BLADE CAPACITY] Handles up to a 20” diamond blade for deep cutting in concrete, asphalt, and pavement.    

[7.1” MAX CUT DEPTH] Precise depth control with a manual rotating handle, ideal for demo and trenching.    

[EASY DEPTH CONTROL] Precise blade depth adjustment makes it easy to dial in accurate cutting depths for different materials and applications.    

[WATER TANK] OSHA Compliant water tank for ample water distribution to both sides of the blade    

[BUILT TOUGH] Rigid steel construction provides stability and reduces vibration for smoother, straighter cuts and longer blade life.    

[3-YEAR WARRANTY] Backed by Tomahawk’s nationwide support team with expert technician service and next-day parts availability.

Specifications

  • Engine: Honda GX390, 4-stroke, air-cooled
  • Power: 11.7 HP (8.7 kW) @ 3,600 RPM
  • Fuel Type: Gasoline
  • Fuel Tank Capacity: 6.4 qt (6.1 liters)
  • Cutting Depth (Max): 7.1 in. (180 mm)
  • Blade Capacity: 20 in. (500 mm)
  • Arbor Size: 1 in. (25.4 mm)
  • Blade Depth Control: Manual, rotating handle
  • Water Tank: Integrated with hose connection
  • Product Dimensions: 48.4" x 25" x 41.5" (1230 x 635 x 1055 mm)
  • Net Weight: 364 lbs (165 kg)
  • Shipping Dimensions: 50" x 25.2" x 45.3" (1270 x 640 x 1150 mm)
  • Gross Weight: 445 lbs (202 kg)

Package Includes

  • TFS20H Concrete Saw
  • Blades Not Included

Applications

  • Parking Lots
  • Side Walks

  • Residential and Commercial Applications
  • Garages
  • Patios
  • Driveways
  • Decorative Jobsite Enhancements

How Does this Ship?

⚠ This is an oversized item which requires shipment on a freight truck. Ship this item to a business address to shave 1-2 days off the transit time!

HOW DOES THIS SHIP?

CA Proposition 65 Warning

⚠ WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer.


Info and Guides

• Specification Sheet

Innovation and Reliability at Our Core

At Machine Horizon, we believe that powerful machines drive progress. Our mission is to make advanced technology accessible to creators, engineers, and businesses across industries—from precision CNC and milling to farming, printing, and laboratory equipment.

We’re dedicated to providing reliable, high-performance machines that help you produce, build, and innovate with confidence. Every product we offer is carefully selected for its engineering quality, efficiency, and long-term value.

A Customer-First Approach

We’re more than an online store—we’re your partner in finding the best machine for your need. Unlike large, impersonal retailers, our dedicated team delivers personalized guidance at every step. Whether you’re exploring, seeking expert advice, or need ongoing support, our specialists are always just a call or email away.

Passion for Machinery & Resilience


Our brand is built on a deep respect for craftsmanship, performance, and reliability. We understand how important the right equipment is to your success—that’s why we focus on machines that combine innovation with lasting durability. From small workshops to large production facilities, Machine Horizon provides solutions that help you work smarter, faster, and better.

Trusted Experts, Curated Brands


We partner directly with industry-leading manufacturers across multiple sectors to ensure every product meets our standards for quality and performance. Our curated selection means you can shop with confidence, knowing each machine is backed by expert support and full manufacturer warranties.

More Reasons to Choose Machine Horizon

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With Machine Horizon, you don’t just buy equipment—you invest in performance, precision, and long-term reliability

Frequently Asked Questions

Yes! We provide free and fast shipping on orders within the continental United States.
Most orders ship out within 1–3 business days and arrive within 5-7 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-720-5193 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
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