
Milwaukee M18 FUEL Sawzall: Revolutionizing Cordless Reciprocating Saws
For tradesmen and DIY enthusiasts alike, the demand for powerful, reliable, and portable tools has never been higher. Among the most trusted names in the industry, Milwaukee Tool stands out, especially with its groundbreaking M18 FUEL cordless platform. This innovative system, featuring the robust Red Lithium-Ion XC battery, delivers an unprecedented level of power and endurance to a diverse range of 18V cordless tools, setting new benchmarks for performance and durability.
At the forefront of this cordless revolution is the iconic Milwaukee Sawzall, now reimagined for the modern era within the M18 FUEL ecosystem. This cordless reciprocating saw isn’t just another battery-powered tool; it’s engineered to rival, and often surpass, the power output typically associated with its corded predecessors. It represents a significant leap forward, offering unparalleled freedom and flexibility on any job site without compromising on brute strength or sustained performance.
A Legacy of Innovation: The Sawzall Story
Milwaukee’s commitment to innovation runs deep, particularly when it comes to the reciprocating saw. As Christian Coulis, Director of Marketing for Milwaukee Tool Corporation, eloquently puts it, “Milwaukee invented the recip saw in 1951, and the SAWZALL® has led the industry in both durability and performance for over 60 years.” This rich history underscores the brand’s profound understanding of what professionals need from such a critical tool. The Sawzall isn’t just a product; it’s a testament to enduring quality and relentless pursuit of excellence.
Building upon this renowned reputation and leveraging Milwaukee’s unparalleled expertise in cordless technology, the M18 FUEL Sawzall was a natural evolution. Coulis continues, “With the renowned reputation and history of the SAWZALL, coupled with Milwaukee’s expertise and leadership in cordless technology, we are very proud to deliver a new SAWZALL that will truly be a game changer for the industry.” This sentiment perfectly encapsulates the ambition behind the M18 FUEL Sawzall – to redefine what’s possible with cordless power tools.
Designed with the most demanding tradesmen in mind, the M18 FUEL Sawzall is not merely a tool; it’s a compact powerhouse delivering unrivaled performance. Like all M18 FUEL products, its superior capabilities stem from three Milwaukee-exclusive innovations: the POWERSTATE™ Brushless Motor, the REDLITHIUM™ XC4.0 Battery Pack, and the intelligent REDLINK PLUS™ Hardware and Software. Together, these technologies orchestrate a symphony of unmatched power, extended run-time, and exceptional durability, ensuring the tool performs optimally in the harshest environments.

The Core Technologies Driving M18 FUEL Performance
POWERSTATE™ Brushless Motor: Engineered for Excellence
At the heart of the M18 FUEL Sawzall’s incredible performance lies the POWERSTATE™ Brushless Motor. This advanced motor is meticulously engineered to work harder, last longer, and convert energy into power with remarkable efficiency. Unlike conventional brushed motors, the POWERSTATE™ design eliminates wearable components, such as carbon brushes, significantly reducing friction and heat buildup. This translates directly into a tool that not only delivers 30% faster cutting speeds compared to some corded saws but also offers years of maintenance-free operation.
The absence of brush-related wear and tear means fewer losses due to vibration and less heat generation, allowing the motor to maintain optimal performance even under extreme load. Fully designed, engineered, and built by Milwaukee Tool, the POWERSTATE™ Brushless Motor is a testament to precision manufacturing and a commitment to delivering superior, long-lasting power. This sophisticated motor technology ensures that every cut is delivered with consistent, high-torque power, making light work of challenging materials.
REDLINK PLUS™ Intelligence: The Brains Behind the Brawn
Power is nothing without control, and that’s precisely where REDLINK PLUS™ Intelligence shines. This hardware and software system represents the most advanced electronic package available on the market, acting as the ‘brain’ of the M18 FUEL platform. REDLINK PLUS™ establishes seamless, full-circle communication between the tool, its battery, and the charger. This constant dialogue enables dynamic optimization and protection, guarding against common job-site hazards like overloading, overheating, and over-discharging.
By constantly monitoring and adjusting performance parameters, REDLINK PLUS™ ensures that the tool operates under ideal conditions, maximizing application performance and significantly extending the overall lifespan of both the tool and the battery. This intelligent protection not only safeguards your investment but also guarantees consistent, fade-free power delivery, even during the most demanding tasks. It’s an indispensable feature that elevates the M18 FUEL Sawzall beyond mere raw power to smart, protected, and reliable performance.
REDLITHIUM™ XC4.0 Battery: Unmatched Power and Endurance
Completing the M18 FUEL triumvirate is the Milwaukee REDLITHIUM™ XC4.0 battery pack. This innovative battery provides up to two times more run-time and recharges compared to standard Lithium-Ion batteries, translating to less downtime and greater productivity on the job site. Engineered for resilience, REDLITHIUM™ XC4.0 batteries deliver best-in-class performance even in the most extreme conditions. With Milwaukee’s legendary durability built into every pack, these batteries operate cooler, preventing performance degradation due to heat.
Furthermore, they are designed to perform flawlessly in harsh climates, maintaining fade-free power even in temperatures below 0°F (-18°C). This makes the M18 FUEL Sawzall a reliable companion whether you’re working in the scorching heat of summer or the biting cold of winter. An integrated battery fuel gauge conveniently displays the remaining charge, allowing users to plan their work more efficiently and avoid unexpected interruptions, further enhancing productivity.
The Sawzall Mechanism: Durability Meets Performance
The M18 FUEL Sawzall reciprocating saw isn’t just about its cutting-edge motor and battery technology; it also incorporates Milwaukee’s patented gear protecting clutch and mechanism design. This proprietary engineering is the secret behind the legendary performance and unparalleled durability that, until now, was exclusively found in corded Sawzall models. This robust mechanism is specifically designed to absorb impact and protect the motor and gearing from sudden blade lock-ups, common during aggressive cutting applications.
The synergy of this advanced mechanism with the POWERSTATE™ brushless motor and REDLINK PLUS™ Intelligence creates a tool that is not only powerful but also incredibly resilient. This combination provides up to an astonishing 5X longer life than many competitive units, offering tradesmen a tool they can rely on for years of rigorous use. It ensures that the M18 FUEL Sawzall can tackle the toughest demolition, remodeling, and construction tasks day in and day out, making it an indispensable asset on any job site.

Ergonomics, Features, and Job Site Versatility
Beyond its internal innovations, the M18 FUEL Sawzall is designed with the user experience firmly in mind. It features a host of practical attributes that enhance comfort, safety, and efficiency on the job site. The adjustable shoe allows users to optimize cutting depth and extend blade life by exposing fresh teeth, while also improving stability during cuts. An integrated LED light illuminates the work area, providing crucial visibility in dimly lit conditions and ensuring precise cutting, even in cramped spaces.
For added convenience, a sturdy hang hook is integrated into the tool’s design, enabling easy storage and quick access when working at height or moving between tasks. This thoughtful addition helps keep the workspace tidy and the tool within reach. All M18 FUEL products, including this Sawzall, are bundled with the new multi-voltage charger, a versatile accessory that allows users to charge all M12™ and M18™ batteries with a single, efficient unit, streamlining battery management on the job site.
The cordless freedom offered by the M18 FUEL Sawzall dramatically increases versatility. No longer tethered by power cords, users can navigate congested work sites with ease, access remote areas, and complete tasks quicker without the hassle of searching for outlets or managing cumbersome extension cords. This makes it ideal for a wide array of applications, from aggressive demolition work involving wood, metal, and plaster to precise cuts in plumbing and electrical installations, ensuring maximum productivity across diverse trade disciplines.
Availability and Specifications
Initially launched in October of 2013, the M18 FUEL™ SAWZALL® Recip Saw immediately established itself as a true testament to Milwaukee’s unwavering focus on the end-user and its substantial investment in game-changing technology. Its introduction marked a pivotal moment, offering professionals an uncompromising blend of cordless convenience and corded power.
For more detailed information on the M18 FUEL™ platform and its extensive range of tools, please visit Milwaukee’s official website.
M18 FUEL™ SAWZALL® Reciprocating Saw Kit (2720-21) Specifications:
- Stroke Length: 1-1/8”
- Strokes Per Minute (SPM): 0-3,000
- Tool Length: 18-1/2”
- Tool Weight: 8.9 lbs
- Included in Kit: M18 FUEL™ SAWZALL® Recip Saw, (1) M18™ REDLITHIUM™ XC 4.0 Extended Capacity Battery Pack, (1) M18™ & M12™ Multi-Voltage Charger, a cutting blade, and a durable carrying case.
*The M18 FUEL™ SAWZALL® is also available with two batteries (model 2720-22) and as a bare tool (model 2720-20) for those who already own M18 batteries and chargers.
Conclusion: The Future of Cordless Power
The Milwaukee M18 FUEL Sawzall is more than just a reciprocating saw; it’s a symbol of Milwaukee’s commitment to pushing the boundaries of cordless technology. By integrating the POWERSTATE™ Brushless Motor, REDLITHIUM™ XC4.0 Battery Pack, and REDLINK PLUS™ Intelligence, Milwaukee has delivered a tool that offers the power of corded saws with the unmatched freedom and durability demanded by today’s professionals. It’s a game-changer that continues to set the standard for heavy-duty cordless performance, empowering users to tackle any challenge with confidence and efficiency.