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Toro Greensmaster Flex 2120 - Walk Behind Greens Mower

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Walking your greens has never been easier. The Greensmaster® Flex™ walk mowers improve upon the industry leading cutting performance you’ve come to expect from Toro. Add improved productivity and simplified serviceability to the list and you’ll quickly understand why the all-new Greensmaster® Flex™ 2120 promises to make the best greensmowers on the planet even better!

The Greensmaster Flex 2120 Petrol is also commonly known as: GM2120, GM 2120, Greenmaster, Green Master 2120, GM Petrol, Flex greensmaster, Toro Greensmaster

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Powerful Subaru® Industrial Engine
The reliable high-tech Subaru® heavy-duty industrial engine is precision manufactured for high torque output at low rpms for easy starting. The new engine has the power necessary to accommodate groomers, light kits, and all of your most challenging greens cutting applications.
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Proven Flex Suspension (Patented)
Superior contour following capability utilises an integrated "Flex" linkage system to allow cutting units to pivot around the centre of the front roller to master undulations and prevent side-to-side scrubbing of the putting surface.
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Built-in Clip Adjustments
Each new Flex walker includes six - easy to configure - clip rate options to accommodate specific cutting heights and playability requirements for every event or desired playing condition. Three colour-coded pulleys can quickly be rearranged, with a single wrench, to match your reels and clip rates to achieve the desired result.
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EdgeSeries™ Reels
Dual Precision Adjustment (DPA) cutting units – featuring Toro’s EdgeSeries™ reels combine to deliver a consistent, high quality cut and superior after cut appearance, while reducing maintenance with improved reel edge
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Adjustable - Telescoping Handle
The new telescoping handle can be adjusted up or down for enhanced operator comfort and to accommodate tall or short operators.
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No Grease Points
No grease points means less time spent on routine maintenance tasks and no more worry about grease "blurbs" on your turf.
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Loop Handle - Control Panel
The loop-style handle and operator controls are ergonomically designed for ease of operation. The Flex control panel is designed to be accessible, intuitively simple to understand, with control functions that are easy to master


The Greensmaster® Flex™ 2120 Series mowers deliver pristine results time and time again. Greensmaster Flex mowers cut closely to follow severe undulations at extremely low heights, and provide an excellent solution for greens that require precision mowing. The unique and patented Flex suspension system utilises an integrated linkage system to allow cutting units to pivot around the centre of the front roller, which prevents side-to-side scrubbing of the putting surface. All functions are easily controlled from the operator station, including both traction and reel engagement.

The Flex 2120 features a heavy-duty industrial 4.3 hp (3.2 kW) Subaru® gasoline engine and reaches transport speeds of up to 5.7 mph (9.2 km/h). With a cutting width of  21”, operators will appreciate the precision handling and pristine after cut appearance that the Flex 2120 delivers.

It feature an all-aluminium die-cast precision frame and a belt drive transmission and can achieve cutting heights as low as 1/16 inch (1.59mm). All Toro Greensmaster mowers feature patented dual precision adjustment (DPA) cutting units and require no regular greasing as part of a preventative maintenance plan.

  • Engine: Subaru® 4.3 HP (3.2 kw) @ 4000 RPM
  • Fuel Capacity: 3 Litres capacity
  • Mowing Speed: 1.6 - 3.7 mph (2.5 - 5.9 km/h)
  • Transport Speed: 9.2 km/h
  • Cutting Width: 46 - 53cm
  • Height of cut: 2mm – 25.4mm (two positions)
  • Number of Blades: 8, 11, 14 blade reels
  • Warranty: 2-Year Limited
  • Certification: ANSI & CE

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Brochures, Parts & Manuals

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  • 2023-24 Toro Performance Parts Quick Reference Guide (Full Brochure)

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  • Toro Service Reel Reference Chart – Fairway

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  • Toro Bedknives Reference Chart – Fairway

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Why choose Toro? 100 Years of Excellence

With roots dating back to 1914, The Toro Company was built on a tradition of quality and caring relationships. Today, the company is a leading worldwide provider of innovative solutions for the outdoor environment including turf and landscape maintenance, snow and ice management, underground utility construction, rental and specialty construction, and irrigation and outdoor lighting solutions. Through a strong network of professional distributors, dealers, rental stores and retailers in more than 125 countries, we proudly offer a wide range of products across a family of global brands to help golf courses, professional contractors, underground construction professionals, groundskeepers, agricultural growers, rental companies, government and educational institutions, and homeowners – in addition to many leading sports venues and historic sites around the world.

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