Toro-Groundsmaster® 5900 Series 16ft (4.8m) Cutting Width

Toro-Groundsmaster® 5900 Series 16ft (4.8m) Cutting Width

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  • 72 hp (53.7 kW) Yanmar® Tier 4 Final and EU Stage IV emissions compliant Turbo-Diesel Engine
  • Full-Time 4-Wheel Drive with CrossTrax™
  • 16 ft (4.88m) Cutting Width; up to 20.8 acres/hr (8.4 hectares/hr)
  • Ground Speed – Mowing: 0-10.8 mph (0-17.4 km/h) Transport: 0-20 mph (0-32.2 km/h)


The Groundsmaster® 5900-D and 5910-D rotary mowers offer an impressive 16′ (4.88 meter) cutting width for making quick work of even the largest jobs. Equipped with a 72 hp (53.7 kW), diesel engine, the 5900-D and 5910-D are powerful and efficient. The onboard InfoCenter™ provides diagnostics to identify potential maintenance issues. These features, along with the SmartCool™ system with an auto-reversing cooling fan, ensure a long, productive life. Users can choose the open-air 5900-D model, or the climate-controlled, safety cab 5910-D model.

Configuration Options:

  • Groundsmaster 5900 with ROPS
  • Groundsmaster 5910 with All-Season Safety Cab
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EnergySmart Efficiency

Innovative system designs improve horsepower efficiency through: Hydraulics: (12hp savings) Cooling: (7hp savings) Cutting: (10hp savings)

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Smart Power™

Smart Power allows the operator to effortlessly maintain the correct speed for optimal cutting.

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Mows 20.8 Acres/Hour

One Groundsmaster 5900 has the equivalent production of two 11 ft mowers or four 6 ft out front rotaries.

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Powerful Tier 4 Engine

3.3L (202cu. in.) Yanmar Tier 4 Final Compliant turbo-diesel engine, 72 HP (53.7kW) @2500 rpm, 206 lb. ft. (279 Nm) torque @1625 rpm, B20 diesel compatible.

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0″ Uncut Circle

The ability to mow a 0″ uncut circle – without wheel brakes – allows you to easily mow striping patterns without leaving any grass uncut.

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Flexible Cutting Width

With the ability to mow widths ranging from 57″ (145 cm) to 192″ (487 cm) the Groundsmaster 5900 has the flexibility necessary for nearly any mowing need.

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HybridDrive™ Cutting Deck System

Belts transfer power more efficiently than hydraulic motors while adding a layer of protection against hydraulic failures. Large diameter spindle housing dissipates impact loads, and dual tapered roller bearings last up to six times longer than ball bearings.

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Heavy Duty Spindle

Ductile cast iron spindle housing is large in diameter [ 9 in. (229 mm) at the base] to dissipate impact loads. Dual tapered roller bearings last up to six times longer than ball bearings.

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All Time Traction Assist

CrossTrax® all-wheel drive system offers increased cross wheel traction control.

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Onboard InfoCenter™

The onboard InfoCenter™ gives the operator a quick read on all systems and even provides assistance at the right moment.

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eFan Cooling System

Two independently controlled 24v electric fan banks provide system cooling for hydraulics and engine.

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The SmartCool™ system prevents over-heating with auto-reversing cooling fans.

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Reduced Operator Vibration

4-way adjustable seat and air-ride suspension isolate the operator platform to reduce noise and vibration.

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All Season Safety Cab

The optional, factory installed, permanent safety cab protects the operator with a four-post rollover protection structure (ROPS), tempered safety glass, and climate controlled environment including both air conditioning and heater.