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  • 4.3hp (3.2kW) Subaru® gas engine
  • Multi-Disk Wet Clutch with Dual Cast Aluminum Traction Drums and Poly-V Belt Drive
  • 18" and 21" Cutting Widths
  • Ground Speed - Mowing: 1.6-3.7 mph (2.5-5.9 km/h) Transport: 0-5.7 mph (0-9.2 km/h)

The Greensmaster® Flex™ 1820 / 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 utilizes an integrated linkage system to allow cutting units to pivot around the center 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 1820 / 2120 features a heavy-duty industrial 4.5 hp Subaru® gasoline engine, and reaches transport speeds of up to 5.3 mph. With a cutting width of 18” / 21”, operators will appreciate the precision handling and pristine aftercut appearance that the Flex 1820 / 2120 delivers. Both units feature an all-aluminum die-cast precision frame and a belt drive transmission, and can achieve cutting heights as low as 1/16 inch. All Toro Greensmaster mowers feature patented dual precision adjustment (DPA) cutting units, and require no regular greasing as part of a preventative maintenance plan.

Configuration Options:

  • Greensmaster Flex 1820 - 18" Cutting Width
  • Greensmaster Flex 2120 - 21" Cutting Width

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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 rpm's and for easy starting. The new engine has the power necessary to accomodate groomers, light kits, and all of your most challenging greens cutting applications.

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Proven Flex Suspension (Patented)

Superior contour following capability utilizes an integrated "Flex" linkage system to allow cutting units to pivot around the center 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 color-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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Dual Precision Adjustment (DPA) Cutting Units

Precision machined cutting units maintain levelness and hold adjustments. DPA allows quick bedknife to reel adjustment. Harder reel and bedknife steel retain a sharp edge up to 3 times longer to minimize the need and frequency of adjustments, backlapping and grinding leading to healthier turf that stays green.

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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

  • Engine
    Subaru® 4.3 HP (3.2 kw) @ 4000 RPM
  • Fuel Capacity
    3 Liters (.79 US Gallons) capacity
  • Mowing Speed
    1.6 - 3.7 mph (2.5 - 5.9 km/h)
  • Transport Speed
    5.7 mph (9.2 km/h)
  • Cutting Width
    18" (46 cm)
  • Number of Blades
    8, 11, 14 blade reels
  • Warranty
    2-Year Limited
  • Certification
    ANSI & CE
  • Weight
    260 lbs (118 kg)
Documents Type Language
Data Sheet Greensmaster Flex Series Sell Sheet English PDF

Select your serial number range from the options below to view parts & manuals.

Serial #
316000001-316001000
316001001-316999999
400000000-401400000
401400001-999999999