Groundsmaster® 4000-D

Sale price$700.00 Regular price$1,400.00
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4.8

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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.

Air Filter: Dry, replaceable primary and safety elements

Armrests: Standard

Battery: 12V

Blade Style/Type: Rotary

Blade Type (Description): Standard Blades: 21.75″ (55.2 cm) long, 2.5″ (6.4 cm) wide, 0.25″ (0.64 cm) 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, 9 quart (8.5 liter) capacity.

Cruise Control: Cruise control standard

Cup Holder: Standard

Cutting Unit Accessories: Recycler Kit, Mulching Kit, 8 Inch Foam Filled Caster Wheel, Bumper Skid (White)

Cutting Unit Lift/Lower: Two position switches for individual deck lift/lower

Cutting Unit Type/Configuration: Overall: 132″ (335 cm), Front: 62″ (157.5 cm), Wings: 42″ (106.7 cm), Overlap: 7″ (12.8 cm)

Deck Caster Wheels: 8 x 3.50-4, 4-ply, smooth, pneumatic, sealed precision ball bearings

Deck Construction: Welded 0.100″ (25 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 / Power Source: Diesel / Biodiesel

Fuel Capacity: 21 U.S. gal. (79.5 L)

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: 6.5″ (16.5 cm)

Ground Following: 6″ 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 – 16.2 mph (0 – 26.1 km/h)

Ground Speed – Reverse: 0 – 8.1 mph (0 – 13 km/h)

Height: 85″ (216 cm) with ROPS up

93.9″ (237 cm) with cab

Height of Cut Range: 1″ – 5″ (25 mm – 127 mm) in 0.5″ (13 mm) increments

Hydraulic Fluid Capacity: 8.75 U.S. gal. (33.1 L)

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.

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 – 8.3 mph (0 – 13.4 km/h)

Number of Blades: 7

Oil Capacity: 8 U.S. qt. (7.6 L)

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: 136″ (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. 127 cu. in. (2.1 liter) displacement. Engine rated at 55 hp (41 kW) net and 125 ft.-lbs. (169 Nm) torque at 2,000 rpm. EPA Tier IV Final and Stage V compliant.

Product Length: 135″ (343 cm) with decks down.

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: 1.25″ (3.17 cm) diameter spindle shafts, 9″ (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 – Front: 26″ x 12″ – 12″, 6-ply, Tubeless Multi-Trac

Tires – Rear: 20″ x 10″ – 10″, 6-ply, Tubeless Multi-Trac

Tool Box: Standard

Traction Drive: 4WD

Traction Drive (System): 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: 71″ (180 cm) @ 2″ (5 cm) HOC

Turning Circle (Diameter): Uncut circle: 0″ diameter

Weight: 4205 lbs. (1907 kg) with full fluids

Wheelbase: 55.5″ (140 cm)

Width of Cut: 132″ (335 cm)

Fast, tracked shipping

Most orders ship within 1-3 business days.

Secure checkout

All major cards accepted, protected checkout.

Warranty on every purchase

New and factory-reconditioned items are covered. See product details for warranty length.

Customer reviews

4.8 (6 reviews)
Write a review

Been using it for a few weeks now, holding up well. Wish it came with a carrying case but that's a minor gripe.

Jennifer Z.· June 3, 2026 Verified purchase

Exceeded my expectations. Shipping was quick and the item arrived in great condition. Would recommend to anyone considering the Groundsmaster® 4000-D.

Keisha I.· July 10, 2026 Verified purchase

Exactly as described, works well for our needs. Instructions could be clearer but it wasn't hard to figure out.

Jessica R.· July 21, 2026 Verified purchase

Been using it for a few weeks now, holding up well. Instructions could be clearer but it wasn't hard to figure out.

Daniel L.· August 13, 2026 Verified purchase

Really happy with this. Shipping was quick and the item arrived in great condition.

Chen T.· June 15, 2026 Verified purchase

Really happy with this. Matches the listing closely, no complaints here.

Amara L.· April 15, 2026 Verified purchase

Fast, tracked shipping

Most orders ship within 1-3 business days.

Expert support

Questions about parts, fit, or warranty? We're here to help.

Warranty included

New and reconditioned items are covered by manufacturer warranty.

Secure checkout

All major cards and secure payment methods accepted.