The Groundsmaster® 4000-D rotary mower boasts a powerful turbo-charged 41 kW (55 hp), 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.












| Air Filter | Dry, replaceable primary and safety elements. |
|---|---|
| Armrests | Standard |
| Battery | 12V |
| Blade Style/Type | Rotary |
| Blade Type (Description) | Standard Blades: 55.2 cm (21.75") long, 6.4 cm (2.5") wide, 0.64 cm (0.25") thick |
| Cab Unit | N/A |
| Controls | Tilt steering, ignition switch, throttle switch, foot-operated traction pedal, lockable individual brake pedals, parking brake lock, mow/transport speed selector switch, 3 two-position switches for individual deck lift/lower, counterbalance adjustment, tow valves, cup holder, toolbox, radio holder, fan switch and 12-volt power outlet. |
| Cooling System Description | Single pass cooler, 6.3 fins per inch, Smart Cool™ variable speed radiator cooling fan with automatic (based on coolant and oil temps) and manual reversing capabilities. Rear-mount, cross-flow radiator with 6.3 fins per inch, 8.5 litre capacity. |
| Cruise Control | Cruise control standard. |
| Cup Holder | Standard |
| Cutting Unit Accessories | Recycler Kit, Mulching Kit, 8 inch (20 cm) Foam Filled Caster Wheel, Bumper Skid (White) |
| Cutting Unit Lift/Lower | Two position switches for individual deck lift/lower. |
| Cutting Unit Type/Configuration | Overall: 335 cm, Front: 157.5 cm, Wings: 106.7 cm, Overlap: 12.8 cm |
| Deck Caster Wheels | 8 x 3.50-4, 4-ply, smooth, pneumatic, sealed precision ball bearings |
| Deck Construction | Welded 2.54 mm steel with 7 and 10-gauge steel channel and plate reinforcements, bullnose bumpers. |
| Deck Wing Protection | Bi-directional, impact absorption device on each wing deck |
| Drivetrain | Diesel |
| Electrical System | 12-volt, 690 CCA battery, 80 amp alternator. Overload protection with automotive type fuses. |
| Engine Cooling | Liquid Cooled |
| Fuel Capacity | 79.5 litres |
| Fuel Type | Diesel / Biodiesel |
| Gauges/Instrumentation | InfoCenter™: LCD display shows gauges, alerts/faults, service reminders, electrical system diagnostics. Indicates fuel level, coolant temp, intake temperature, low oil pressure, alternator, engine hours, engine RPM, hydraulic oil temperature, voltage |
| Ground Clearance | 16.5 cm |
| Ground Following | 15.3 cm anti-scalp cups on each blade, adjustable skids on each deck, 4 anti-scalp rollers on front deck and 1 on each wing. |
| Ground Speed - Forward | 0 to 16.2 mph |
| Ground Speed - Reverse | 0 - 8.1 mph |
| Height | 216 cm with ROPS up 237 cm with cab |
| Height of Cut Range | 25 - 127 mm in 13 mm increments. |
| Hydraulic Fluid Capacity | 33.1 litres |
| Hydraulic Fluid Type | Toro PX™ Extended Life Hydraulic Fluid |
| Implement Drive | Direct mounted hydraulic motor into spindle. Remaining spindle(s) driven by individual B section Kevlar belt. Quick release belt covers. |
| Interlocks | Prevents engine from starting unless traction pedal is in neutral and deck is disengaged. If operator leaves seat while moving or deck is engaged, traction and/or deck stops. Mowing only permitted in low range. Traction not allowed if parking brake engaged and pedal moved out of neutral. Deck transport latches. |
| Length | 343 cm with decks down. |
| Lighting | Optional |
| Main Frame/Chassis | All welded formed-steel frame with integral tie-down anchors. |
| Max Slope Angle | Refer to operator’s manual. |
| Mowing Rate (Productivity) | Up to 11.1 acres/hr (4.5 hectacres/hr) |
| Mowing Speed | 0 to 8.3 mph |
| Number of Blades | 7 |
| Oil Capacity | 7.6 litres |
| Optional Accessories | Road Light Kit, LED Work Lights, Additional Turn Signals, Sunshade, Beacon, Slope Sensor, Two-Post ROPS Extension System, Operator Golf Ball Guard, Horn Kit, 4WD Flow Divider Kit |
| Overall Width | 346 cm with decks down |
| Parking/Service Brakes | Mechanically actuated, internal wet disc brakes on input to each planetary drive. Individual foot-operated steering brake control left and right wheel. Lock pedals together & latch to engage parking brake. |
| Power Steering | Yes |
| Power Train (Engine Description) | Yanmar® 4-cylinder, liquid-cooled, turbo-charged diesel. 2.1 litre displacement. Engine rated at 41 kW (55 hp) net and 169 N·m torque at 2,000 rpm. EPA Tier IV Final and Stage V compliant. |
| Safety/Operator Safety | Two-post foldable ROPS with seat belt, standard. |
| Seat | 4-way adjustable seat, right armrest travels with seat and suspension. |
| Spindle Assembly | 3.17 cm diameter spindle shafts, 22.9 cm diameter conical ductile iron housing, and 2 greaseable tapered roller bearings. |
| Starting | Key Start |
| Steering System Description | Power steering with dedicated power source. Steering wheel tilts to desired operator position. |
| Tires - Rear | 20 x 10.00-10, 6-ply, Tubeless Multi-Trac |
| Tool Box | Standard |
| Traction Drive | 4WD |
| Traction Drive | Parallel hydrostatic, closed loop system with full-time 4WD. Forward/reverse in low (mow) and high (transport) range with full-time, automatic traction assist (forward only). |
| Transport Width | 180 cm @ 5 cm HOC |
| Turning Circle (Diameter) | Uncut circle: 0" diameter |
| Tyres - Front | 26 x 12.00-12, 6-ply, Tubeless Multi-Trac |
| Weight | 1907 kg with full fluids. |
| Wheelbase | 140 cm |
| Width of Cut | 132" (335 cm) |
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**See dealer for Warranty details.