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Toro Reelmaster 3100 Ride-on Mower

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Toro® Reelmaster mowers are lauded for their quality of cut, and the 3100-D is no exception. Your choice of 5, 8 or 11-blade reels let you customize the cutting unit to fit a variety of applications. Variable reel speed adjustment offers even greater operator control while onboard backlapping helps keep blades sharp. All this comes in your choice of 183 cm or 216 cm cutting widths to keep you more productive.

The Reelmaster 3100 is also commonly known as: RM 3100, RM3100, Reel master, Reel master 3100, Toro reel master, reel mower

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Sidewinder cutting units shift left and right a total of 24 inches (61 cm). This allows the tire tracks to be shifted within the mowing path to reduce wear on the turf.

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Powerful Engine

With a 21.5 hp (16 kw) Kubota® Diesel Engine, the Reelmaster® 3100-D has the power to climb and power to cut through difficult mowing conditions.

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Dual Precision Adjustment (DPA) Cutting Units 2

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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72″ or 85″ Width of Cut

The Reelmaster® 3100-D is available in a 72″ or 85″ (183 cm or 216 cm) width of cut. With a choice of 5, 8, and 11 blade reels and adjustable reel speed control, this mower can be configured to meet all mowing applications.

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Superior Traction

There’s no need to worry about mowing around objects while traversing hills, even in wet terrain. The parallel hydraulic flow between front and rear wheels assures full-time 4-wheel drive. And the individual wheel brakes provide effective traction assistance on wet turf.

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Ease of Service

With the engine located in the rear of the machine, the Reelmaster® 3100-D is easy to service. Open the engine compartment to have access to all filters, fluids and engine components for fast preventative maintenance.

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Out-Front Operator

The operator sits out-front on the Reelmaster® 3100-D for better mowing visibility and easier access getting on and off the machine. Engine noise, vibration, and exhaust are all located behind the operator.




The Reelmaster® 3100 is the revolutionary triplex mower designed for superior performance on all types of turf. The optional Sidewinder® cutting units can be shifted right and left, on the fly, for increased reel overhang and to vary the tire tracks. The powerful Kubota® 21 hp (15.7 kw) engine and exclusive Series/Parallel 3WD traction drive system gets the mowing job done quickly. And the unique machine layout, with the engine in the rear and the operator out front, allows the operator to mow comfortably and productively, while the mechanic has fast access to all service items.

The Reelmaster® 3100-D is available with Sidewinder® – Toro’s exclusive system that gives operators the ability to shift all three reels left or right while on the fly – providing up to 23″ (58 cm) of overhang and decreased tire tracking.


  • Engine: Kubota® 21.5 hp (16 kw) Diesel
  • Fuel Capacity: 7.5 gal (28 L)
  • Mowing Speed: 0 – 6 mph (0 – 10 km/h)
  • Transport Speed: 0 – 9 mph (0 – 15 km/h)
  • Cutting Width: 72 in or 85 in (1.8 m or 2.1 m)
  • Adjustment: Dual point bedknife to reel
  • Backlapping: Standard on-board
  • Cutting Units: Dual Precision Adjustment (DPA) Cutting Units
  • Height of Cut: .25 in to 2.5 in (.6 cm to 6.4 cm)
  • Reel Diameter: 7 in (18 cm)
  • Number of Blades: 5, 8, or 11 blades
  • Reel Drive: Hydraulic
  • Reel Length: 27 or 32 in (69 cm or 81 cm)
  • Reel Speed: Adjustable – 1000 RPM max
  • Traction Drive: Series / Parallel 3WD
  • Weight: Approx. 1,860 lbs. (840 kg)
  • Warranty: 2 year limited warranty

Brochures, Parts & Manuals

View and download documentation for this item.

  • 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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