The Grasshopper zero-turn 900D 1.3L riding lawn mower provides more power, durability and maneuverability than any mower in its class. This mower is equipped with a fuel-efficient MaxTorque™ Clean Diesel Tier 4 Final-compliant engine that burns less fuel per hour than gasoline or propane mowers. The 900D 1.3L saves landscape contractors time by powering through heavy grass at faster mowing speeds while still delivering a manicured cut thanks to the higher torque output of the diesel engine. Replace the front-mounted deck with a wide choice of grounds maintenance implements for year-round productivity. Use PowerFold® deck lift/electric height adjustment to rotate the deck up for easy cleaning and to fit more mowers on a trailer.
61" 900D 1.3L | 72" 900D 1.3L | |
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Engine Type | Kubota, MaxTorque™, 3-cyl. | Kubota, MaxTorque™, 3-cyl. |
Displacement | 77 cu. in. (1.3L) | 77 cu. in. (1.3L) |
Lubrication | Pressure Lube | Pressure Lube |
Crankshaft | Horizontal | Horizontal |
Engine Cooling | Liquid | Liquid |
Fuel Type | Diesel - No. 2 | Diesel - No. 2 |
Fuel Capacity | 8 U.S. Gal (30.28 l) | 8 U.S. Gal (30.28 l) |
Optional Fuel Capacity | NA | NA |
Air Cleaner | Heavy-duty, remote mounted, cyclonic, dual element air filtration. | Heavy-duty, remote mounted, cyclonic, dual element air filtration. |
Muffler | Ultra quiet, single, industrial type | Ultra quiet, single, industrial type |
61" 900D 1.3L | 72" 900D 1.3L | |
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DuraMax® Deck | DuraMax® | DuraMax® |
Mulch Kit # | 504569 | 504571 |
Deck Size | 61" | 72" |
Cutting Height Range | 1.25 to 5.0 in. (3.2 to 12.7 cm) | 1.25 to 5.0 in. (3.2 cm to 12.7 cm) |
Deck Construction | Tubular 2.25 in. x 4 in. boxed members with 0.25 in. gussets. Formed double thickness hardened steel (0.269 in. †7.6% thicker than 0.25 in. (6.35 mm)) truss spindle plane and (3) Sentry™ spindles and a triple-strength upper deck, 1/2 inch thick in stress zones. Geometrically engineered design with 7-gauge skirts withstands the brunt of commercial mowing. Anvil-edge design with o.5 in. (12.7 mm) reinforcement on front edge of deck. | Tubular 2.25 in. x 4 in. boxed members with 0.25 in. gussets. Formed double thickness hardened steel (0.269 in. †7.6% thicker than 0.25 in. (6.35 mm)) truss spindle plane and (3) Sentry™ spindles and a triple-strength upper deck, 1/2 inch thick in stress zones. Geometrically engineered design with 7-gauge skirts withstands the brunt of commercial mowing. Anvil-edge design with o.5 in. (12.7 mm) reinforcement on front edge of deck. |
Deck Blades | 25 in. (63.5 cm) | |
Deck Spindles | Sentry™ Spindle System, 2.5 cm (approx. 1 in.) O.D. shaft. Double bearings greasable from top of deck. Spindle head designed to eliminate fiber wrap. Spindle cones shield housing and lower bearings from fiber wrap and dirt ingestion. | Sentry™ Spindle System, 2.5 cm (approx. 1 in.) O.D. shaft. Double bearings greasable from top of deck. Spindle head designed to eliminate fiber wrap. Spindle cones shield housing and lower bearings from fiber wrap and dirt ingestion. |
Spindle Housing | 8 in. (20.3 cm)-diameter machined aluminum housing with 6-bolt pattern. | 8 in. (20.3 cm)-diameter machined aluminum housing with 6-bolt pattern. |
Blade Drive | Maintenance-free gearbox with single Kevlar V-belt and idler arm tensioning. | Maintenance-free gearbox with single Kevlar V-belt and idler arm tensioning. |
Deck Trimability | 6.25 in. (15.9 cm) | 12.25 in. (31.1 cm) |
61" 900D 1.3L | 72" 900D 1.3L | |
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Battery | 12 Volt | 12 Volt |
Starter | Solenoid shift | Solenoid shift |
Ignition | Breakerless, diesel quick heat glow plug | Breakerless, diesel quick heat glow plug |
Interlock System | Prevents engine start when PTO clutch is engaged or steering levers are in drive position. Allows operator dismount without engine shutdown only when PTO is disengaged and steering levers are locked in neutral. | Prevents engine start when PTO clutch is engaged or steering levers are in drive position. Allows operator dismount without engine shutdown only when PTO is disengaged and steering levers are locked in neutral. |
61" 900D 1.3L | 72" 900D 1.3L | |
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Operator Seat | Premium Comfort Seat, embroidered logo, iso-mounted, high-back, deep-cushioned, foam-padded CoolTemp Cordura-covered, padded arms/backrest with lumbar support and coil-spring suspension. Optional CoolTemp Cordura-covered Premier Suspension Seat. | Premium Comfort Seat, embroidered logo, iso-mounted, high-back, deep-cushioned, foam-padded CoolTemp Cordura-covered, padded arms/backrest with lumbar support and coil-spring suspension. Optional CoolTemp Cordura-covered Premier Suspension Seat. |
Suspension | InFrame™ suspension | InFrame™ suspension |
Console-mounted Instruments | Low engine oil pressure, alternator, temperature and parking brake warning lights, engine temperature and volt gauges, electronic fuel gauge/digital hour meter, two USB charging ports, work lights, ignition, glow plug and push/pull PTO switches. | Low engine oil pressure, alternator, temperature and parking brake warning lights, engine temperature and volt gauges, electronic fuel gauge/digital hour meter, two USB charging ports, work lights, ignition, glow plug and push/pull PTO switches. |
Work Lights | Standard - LED | Standard - LED |
Hour Meter | Standard | Standard |
61" 900D 1.3L | 72" 900D 1.3L | |
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Transmission Type | Rugged, design-matched G3 hydrostatic system with auxiliary cooling fans, HydroGear variable displacement 21 cc piston-type pumps and Parker/Ross wheel motors. | Rugged, design-matched G3 hydrostatic system with auxiliary cooling fans, HydroGear variable displacement 21 cc piston-type pumps and Parker/Ross wheel motors. |
Transmission Filtration | Integrated, replaceable, high-efficiency, fine-particle filter / Grasshopper CoolTemp Hydro-Max™ fluid withstands high and low temperature extremes for 1,000 hour change intervals. | Integrated, replaceable, high-efficiency, fine-particle filter / Grasshopper CoolTemp Hydro-Max™ fluid withstands high and low temperature extremes for 1,000 hour change intervals. |
Speeds | 0 - 11.0 mph forward 0 - 6.0 mph reverse(0 - 17.7 kph forward 0 - 9.7 kph reverse) | 0 - 11.0 mph forward 0 - 6.0 mph reverse(0 - 17.7 kph forward 0 - 9.7 kph reverse) |
Turning Radius | True zero degree, turns within own length with counter-rotating, independently powered drive wheels. Seat is pivot point. | True zero degree, turns within own length with counter-rotating, independently powered drive wheels. Seat is pivot point. |
Steering | One- or two-hand operation with adjustable, HydraSmooth™, dual levers that automatically return to neutral from either forward or reverse position. | One- or two-hand operation with adjustable, HydraSmooth™, dual levers that automatically return to neutral from either forward or reverse position. |
Brakes | Dynamic braking through hydrostatic transmission. | Dynamic braking through hydrostatic transmission. |
Parking Brake | Disc parking brakes, one for each drive wheel. | Disc parking brakes, one for each drive wheel. |
Attachment Drive | Telescoping PTO shaft with two high-speed U-joints, Quik-D-Tatch® coupler and heavy-duty electric Mag Stop® blade clutch/brake. | Telescoping PTO shaft with two high-speed U-joints, Quik-D-Tatch® coupler and heavy-duty electric Mag Stop® blade clutch/brake. |
61" 900D 1.3L | 72" 900D 1.3L | |
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Standard Midmount Drivetire | NA | NA |
Optional MidMount™Drive Tires | NA | NA |
MidMount™ Front Caster Wheels | NA | NA |
Standard FrontMount™ Drive Tire | 24x12.00x12 bar tread, high flotation, 4-ply rated | 24x12.00x12 bar tread, high flotation, 4-ply rated |
Optional FrontMount™ Drive Tire | 24x12.00x12, turf tread, 4-ply rated | 24x12.00x12, turf tread, 4-ply rated |
FrontMount™ Single Fork Tail Wheel Size | NA | NA |
FrontMount™ Wide Stance Single Fork Tail Wheel Size | 13x6.50x6 rib tread, pneumatic (2) | 13x6.50x6 rib tread, pneumatic (2) |
FrontMount Deck Tire | 11x4.00x5 (flat proof) 4-ply rated | 13x6.50x6 rib tread, pneumatic 4-ply rated |
61" 900D 1.3L | 72" 900D 1.3L | |
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Height, Seatback | 47.0 in. (119.4 cm) | 47.0 in. (119.4 cm) |
Height Seat Cushion | 31.5 in. (80.0 cm) | 31.5 in. (80.0 cm) |
Height ROPS | 69.5 in. (176.5 cm) | 69.5 in. (176.5 cm) |
Mower+Deck Length | ||
Mower+Deck - Deck Folded | 94.0 in. (238.8 cm) | 107.0 in. (271.8 cm) |
Deck Width - Side Discharge | 74.5 in. (189.2 cm) | 85.5 in. (227.3 cm) |
Deck Width - Side Discharge 41" | ||
Deck Width - Side Discharge 42" | ||
Deck Width - Side Discharge 48" | ||
Deck Width - Side Discharge 52" | ||
Deck Width - Side Discharge 61" | 74.5 in. (189.2 cm) | 74.5 in. (189.2 cm) |
Deck Width - Side Discharge 72" | 85.5 in. (227.3 cm) | 85.5 in. (227.3 cm) |
Deck Width - Mulching | 62.5 in.(158.8 cm) | 73.5 in.(186.7 cm) |
FrontMount™ Width | 54.5 in./70.0 in. (138.4 cm/177.8 cm) | 54.5 in./70.0 in. (138.4 cm/177.8 cm) |
FrontMount™ Wheelbase | 54.5 in. (138.4 cm) | 54.5 in. (138.4 cm) |
61" 900D 1.3L | 72" 900D 1.3L | |
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Weight Power Unit+Deck (uncrated) | 1595 lbs. (725.5 kg) | 1695 lbs. (768.8 kg) |
Weight FrontMount™ Power Unit only | 1150 lbs. (521.6 kg) | 1150 lbs. (521.6 kg) |
Weight Mower Deck | 445 lbs. (201.8 kg) | 545 lbs. (247.2 kg) |
Weight Mulch Kit | 36 lbs. (16.3 kg) | 44 lbs. (20.0 kg) |