
Groundsmaster® 3505-D
The Groundsmaster® 3500 Series is a revolutionary triplex rotary mower designed for superior performance trimming. The free-floating Contour™ Plus cutting decks allow mowing of undulating terrain without scalping. The powerful engine and exclusive traction drive system, gets the mowing job done quickly.
Air Filter: Remote-mounted 5″ Donaldson® air cleaner.
Armrests: Standard
Battery: 12V
Blade Style/Type: Rotary
Blade Type (Description): Combination Blades: 27″ (68.6 cm) long, 2.5″ (6.4 cm) wide, 0.25″ (0.64 cm) thick
Cab Unit: N/A
Controls: Forward and reverse traction control pedals; mow/transport foot lever; hand activated parking brake; hand operated ignition key switch; tilt steering wheel lock; PTO switch; throttle; joystick control for deck raise and lower; cutting deck transport lock.
Cooling System Description: Rear-mounted, cross flow 4-row radiator
Cup Holder: Standard
Cutting Unit Accessories: Mulching Kit, Sectional Roller, Roller Scraper Kit
Cutting Unit Lift/Lower: Joystick control for deck raise and lower
Cutting Unit Type/Configuration: Three Contour™ Plus 27″ (69 cm), rear-discharge rotary cutting units with rear roller on each deck. 72″ (183 cm), standard. Deck overlap 4.5″ (11.4 cm) per side, overhang is 2″ (5.1 cm).
Deck Construction: 10-gauge steel constructed chambers with 12-gauge welded reinforcements. 1.5″ (3.8 cm) square x 0.25″ (0.6 cm) wall tube with 7-gauge side supports. Spindle support 3/16″ (0.48 cm) high-strength steel and 10-gauge exterior channels.
Drivetrain: Diesel
Electrical System: 12-volt, 585 CCA battery and 40 amp alternator
Engine Cooling: Liquid Cooled
Fuel / Power Source: Diesel / Biodiesel
Fuel Capacity: 11 U.S. gal. (41.6 L)
Fuel Filter: Fuel filter/water separator
Gauges/Instrumentation: Fuel gauge, engine coolant temperature gauge, and hour meter. Light cluster with glow plug and charge indicator lights, amp. Low engine oil pressure and high coolant temperature warning lights (high temperature safety shut off).
Ground Clearance: 6″ (15.3 cm)
Ground Following: 6″ (15.3 cm) anti-scalp cups on each blade
Ground Speed – Forward: 0 – 9 mph (0 – 14 km/h)
Ground Speed – Reverse: 0 – 4 mph (0 – 6.4 km/h)
Height: 76.1″ (193 cm) with ROPS
Height of Cut Range: 0.75″ – 4″ (1.9 cm – 10.2 cm) in 0.25″ (0.6 cm) increments
Hydraulic Cylinders: Open center, manual valves, gear pump hydraulic system
Hydraulic Fluid Capacity: 3.5 U.S. gal. (13.2 L)
Hydraulic Fluid Type: Toro PX™ Extended Life Hydraulic Fluid
Interlocks: Traction pedal, operator presence in seat, PTO engage or disengage, and cutting deck mow or transport safety interlock switches. Parking break set prohibits movement through traction pedal.
Lighting: Optional
Main Frame/Chassis: Formed steel, welded steel and steel tubing
Max Slope Angle: Refer to operator’s manual
Mowing Rate (Productivity): Up to 4.4 acres/hr (1.8 hectacres/hr)
Mowing Speed: 0 – 6 mph (0 – 10 km/h)
Number of Blades: 3
Oil Capacity: 6.5 U.S. qt. (6.2 L)
Oil Cooler Description: Single pass, aluminum side-by-side oil cooler/radiator, 6.3 fins per inch, serpentine fin profile
Optional Accessories: Bimini Canvas Sunshade, LED Work Lights, Universal Sunshade (White or Red)
Overall Width: 75.8” (193 cm) with standard 72” (183 cm) width of cut
71.8” (182 cm) with optional 68” (173 cm) width of cut
Parking/Service Brakes: Dynamic through hydrostatic transmission service brake. Hand actuated over center, drum type parking brake.
Power Steering: Yes
Power Train (Engine Description): Kubota® 3-cylinder, liquid-cooled diesel. Power: 24.8 hp (18.5 kW) gross, at rated speed of 3000 rpm. Torque peak: 71.5 (52.7) Nm (lbs-ft) @ 2200 rpm. Displacement: 1123cc. EPA Tier IV Final and Stage V Compliant.
Product Length: 116″ (295 cm)
Rollers: Rear roller on each deck
Safety/Operator Safety: Two-post ROPS and seat belt standard
Seat: Two-piece premium commercial two-tone grey vinyl with two armrests, fore/aft adjustment
Sidewinder: No
Spindle Assembly: Ductile cast iron spindle housing. Dual greaseable tapered roller bearings. 1.25″ (3.2 cm) diameter solid cold finished steel spindle shaft. Splined connection between spindle shaft and deck motor. Welded blade retainer plus anti-scalp cups.
Starting: Key Start
Steering System Description: Hydraulic power steering, tilt wheel
Tires – Front: 20″ x 10″ – 10″, 4-ply, Turf Tread
Tires – Rear: 20″ x 10″ – 10″, 4-ply, Turf Tread
Tool Box: Standard
Traction Drive: 2WD
Traction Drive (System): Hydrostatic, closed-loop transmission provides infinitely variable ground speed in forward and reverse. Variable displacement piston type pump.
Transport Width: 72.5″ (184 cm)
Weight: 2,110 lbs. (957 kg) with cutting units.
Wheelbase: 59.5″ (151 cm)
Width of Cut: 72″ (183 cm)
Most orders ship within 1-3 business days.
All major cards accepted, protected checkout.
New and factory-reconditioned items are covered. See product details for warranty length.
Orders are processed within 1-3 business days. Large equipment ships via freight with delivery scheduled by appointment. See our Shipping Policy for details.
Most items can be returned within 30 days of delivery for a full refund, less original shipping costs. See our Refund Policy for full details.
Factory-reconditioned items are inspected and serviced by the manufacturer to meet original performance specifications, and are covered by warranty. Check this product's title and description to confirm its condition.
Yes. Manufacturer warranty terms apply as noted on this product page. Contact us if you need help with a warranty claim.
Have a question about fit, specs, or which model is right for you? Contact us and we'll help you decide.

Customer reviews
Write a review
Good value for the price, would buy again. Instructions could be clearer but it wasn't hard to figure out.
Does what it says, no complaints so far. A little pricier than I hoped but the quality justifies it.
Arrived well packaged and in great condition.
Pretty happy with this. Exactly as described, works well for our needs. Instructions could be clearer but it wasn't hard to figure out.
Really happy with this. Great value for the price, would buy again. Would recommend to anyone considering the Groundsmaster® 3505-D.
Exactly as described, works well for our needs.
Exactly as described, works well for our needs.
Pretty happy with this. Great value for the price, would buy again. Instructions could be clearer but it wasn't hard to figure out.
Shipping was quick and the item arrived in great condition.
Solid purchase overall. Shipping was quick and the item arrived in great condition. Assembly took a bit longer than expected but works great.