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Reelmaster® 3100-D (03171)


  • Sidewinder® Swath Adjustment System
  • DPA Cutting Units
  • 21.5 hp (16 kw) Rear Mounted Diesel Engine
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.


Sidewinder cutting units shift left and right a total of 24 inches (61 cm). This increases the cutting unit overhang for precise trimming. The tire tracks can also be shifted within the mowing path to reduce wear on the turf.

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.

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.

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.

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.

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.

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.

Engine 21.5 hp (16 kw) Kubota® Diesel
Fuel Capacity 7.5 gal (28.4 L)
Mowing Speed 0 - 6 mph (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" to 2.5" (6 mm to 6.4 cm)
Reel Diameter 7 in (18 cm)
Number of Blades 5, 8, and 11 blade
Reel Drive Hydraulic
Reel Length 27 or 32 in (69 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

Verti-Cutting Reels

Used to minimize, remove and control thatch to prevent scalping and disease. Cut the rhizomes and stolons to enable regenerative grass growth. Extended wear carbide tipped blades are standard.

EdgeMax™ Bedknives, Comb Kit, Scrapers

The comb helps the grass stand up for more precise cutting. The scrapers help keep the rollers clean to minimize the clumping of grass around trim and surround areas. The HD bedknife is harder and the lip is taller than the standard bedknife providing longer life. The HD bedknife is recommended for ½" (1.3 cm) heights of cut or higher.

Grass Basket

Collect the clippings with the optional grass basket.

SpecificationsView Detailed SpecificationsEnglish PDF
Product LiteratureReelmaster 3100-D BrochureEnglish PDF
Operator ManualEnglish PDF56 Pages
 Bulgarian PDF64 Pages
 Czech PDF60 Pages
 Danish PDF60 Pages
 German PDF60 Pages
 Spanish PDF60 Pages
 Finnish PDF60 Pages
 French PDF60 Pages
 Italian PDF60 Pages
 Japanese PDF60 Pages
 Dutch PDF60 Pages
 Norwegian PDF60 Pages
 Polish PDF64 Pages
 Portugese PDF60 Pages
 Russian PDF68 Pages
 Swedish PDF56 Pages
Parts CatalogEnglish PDF80 Pages
Schematic Drawing - ElectricalEnglish PDF1 Pages
Schematic Drawing - HydraulicEnglish PDF1 Pages


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