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Toro Groundsmaster® 4000 Ride-on Mower

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The Groundsmaster® 4000-D rotary mower boasts a powerful turbo-charged 55 hp (41 kW), Tier 4 Final and Stage V compliant diesel engine. Featuring Smart Power™ technology, high engine torque and patented, HybridDrive™ cutting deck system, the Groundsmaster 4000-D delivers power where you need it most, no matter how tough the conditions. With its excellent trimming capability and an ability to mow a 0” uncut circle, the Groundsmaster 4000-D is an extremely efficient mower.

The parallel hydraulic traction system maintains consistent hydraulic flow between the front and rear wheels to assure full time 4-wheel drive. This allows you to mow with confidence, even on hills and wet grass. Operators can enjoy the open air with ROPS safety in the Groundsmaster 4000-D.

  • Impressive trimming capability
  • Smart Power Traction
  • Variable speed, temperature actuated reversing fan.
  • Heavy-duty welded steel decks and frames
  • Lets you set traction unit for a continuous operating speed with automatic override when operator moves drive pedal or operates brakes.
  • Full-time 4-wheel drive.
  • Accessories for added value and versatility: rotary broom, 2-stage snowthrower, debris blower, and road package kit.

Product Videos

Product Overview

Toro Groundsmaster® 4000-D and 4100-D

Introducing the new Groundsmaster® 4000-D and 4100-D. Innovative technologies and features make this the most intelligent, comfortable, productive and reliable rotary mower today. Engineered to...

Toro® Groundsmaster® 4000-D – Easy Operation

See the Groundsmaster® 4000-D in use showing safety, comfort and ease of use.

Toro® Groundsmaster® 4000-D – Productivity

See how the Groundsmaster® 4000-D helps you be as productive as possible.

Toro Groundsmaster® 4000/4100-D; Quality of Cut

With its unmatched engine torque and patented hydraulic motors that directly drive spindles on each deck, the 4000-D/4010-D delivers power where you need it most...

Toro Groundsmaster® 4000/4100-D; Info Center

Learn about the Groundsmaster 4000/4100-D Info Center feature.

Toro Groundsmaster® 4000/4100-D; Fuel Efficiency

The Groundsmaster® 4000-D is the strongest most productive 335cm mower available today.

Toro Groundsmaster® 4000/4100-D; Agile and Versatile

All the versatility you need to handle a wide variety of mowing tasks.

Toro Groundsmaster® 4000/4100; Comfort

Operators will like the Groundsmaster® 4000-D/4010-D because it is amazingly quiet. Its low engine speed, low-noise technology gear motors, and a variable-speed cooling fan clutch...

Toro® Groundsmaster® 4000-D & 4100-D Smart Power™

The new Smart Power™ system on Toro® Groundsmaster® 4000-D and 4100-D mowers ensures efficient performance, increased productivity and Tier 4 Final compliance.

Toro Groundsmaster® 4000/4100 SmartCool™ System

Variable speed, temperature actuated reversing fan. Blows chaff off intake screen to help reduce overheating. Big time saver which reduces that amount of times an...

Toro Groundsmaster® 4000/4100: Uptime

Learn about the Toro Groundsmaster® 4000/4100.

Toro Groundsmaster® 4000/4100: All Around Value

The Groundsmaster® 4000-D is the strongest most productive 335cm mower available today. With the Yanmar® turbo-diesel, 41 kW (55 hp) engine you can quickly mow...

Toro® Groundsmaster® 4000-D – Productivity

See how the Groundsmaster® 4000-D helps you be as productive as possible.