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2023 Grasshopper 729BT 61 in. Briggs & Stratton 896 cc in Brunswick, Georgia — 2023 Grasshopper 729BT 61 in. Briggs & Stratton 896 cc

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Specs
Features

General Information

Manufacturer

Grasshopper

Model Year

2023

Model

729BT 61 in. Briggs & Stratton 896 cc

Model Code

531900

Color

Brown

Body

Seat

Iso-mounted Premium Comfort Seat. Features include a high-back, deep-cushioned, foam-padded Cordura®-covered, padded arm rests, padded backrest with lumbar support, coil-spring suspension and embroidered Grasshopper logo on seat back.

Safety Features

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.

Drivetrain

Transmission/Drive

T6® hydrostatic transmission with tandem 16 cc Parker pumps-in-reservoir, in-line CoolFan™ for cooling efficiency, design-matched Parker high-torque wheel motors. AntiVibe Power Platform® reduces vibration for the operator.

Filtration / Hydro Fluid - Integrated, replaceable, high-efficiency, fine-particle filter / Grasshopper CoolTemp Hydro-Max™ fluid withstands high and low temperature extremes for 1,000 hour change intervals

Attachment drive - Telescoping PTO shaft with two high-speed U-joints, Quik-D-Tatch® coupler and heavy-duty electric Mag Stop® blade clutch / brake

Travel Speed Forward

0 - 10.0 mph (0 - 16.1 kph)

Travel Speed Reverse

0 - 6.0 mph (0 - 9.7 kph)

Wheels/Tires

Single tail wheel - 13 x 6.50 x 6 rib tread, pneumatic (2)

Deck tires - 11 x 4.00-5 (flat-proof), 4-ply rated

Single tail wheel - 13 x 6.50 x 6 rib tread, pneumatic (2)

Deck tires - 11 x 4.00-5 (flat-proof), 4-ply rated

Drive Tires

22 x 11.00 x 10 bar tread, high flotation, 4-ply rated

Brakes

Dynamic braking through hydrostatic transmission

Parking Brake

Disc, one for each drive wheel

Electrical

Battery

Maintenance-free - 12 V

Instrumentation

Console-mounted - Low engine oil pressure and parking brake warning lights, digital hour meter, work lights, ignition and push / pull PTO switches. Choke integrated with throttle lever.

Lighting

Standard - LED

Hour Meter

Standard

Engine

Engine Make

Briggs & Stratton

Engine Model

Vanguard Big Block

Engine Type

V-Twin

Cooling

Air

Displacement

896 cc (54.7 cu. in.)

Ignition

Breakerless

Air Cleaner

Heavy-duty, remote mounted, cyclonic, dual element air filtration

Starter

Solenoid shift

Lubrication

Pressure lube / filter

Fuel Type

Gasoline - unleaded

Fuel Capacity

7.2 U.S. gal. (27.3 l)

Measurements

Wheelbase

FrontMount Power Unit - 51.5 in. (130.8 cm)

Length

FrontMount PowerUnit only - 67 in. (170.2 cm)

Frontmount with Duramax® deck, mowing position - 107.5 in. (273.0 cm)

FrontMount Power Unit + DuraMax® deck, folded up - 91 in. (231.1 cm)

FrontMount PowerUnit only - 67 in. (170.2 cm)

Frontmount with Duramax® deck, mowing position - 107.5 in. (273.0 cm)

FrontMount Power Unit + DuraMax® deck, folded up - 91 in. (231.1 cm)

Width

FrontMount PowerUnit only - 50 in. (127 cm)

Deck Side discharge - 74.5 in. (189.2 cm)

Deck Mulch - 62.5 in. (158.8 cm)

FrontMount PowerUnit only - 50 in. (127 cm)

Deck Side discharge - 74.5 in. (189.2 cm)

Deck Mulch - 62.5 in. (158.8 cm)

Height

Seat back - 47 in. (119.4 cm)

Seat cushion - 30.5 in. (77.5 cm)

ROPS - 69 in. (175.3 cm)

Seat back - 47 in. (119.4 cm)

Seat cushion - 30.5 in. (77.5 cm)

ROPS - 69 in. (175.3 cm)

Weight

Uncrated - 1,350 lb. (612.3 kg)

FrontMount Power Unit only (uncrated) - 930 lb. (421.8 kg)

Frontmount deck only, side discharge (uncrated) - 420 lb. (190.5 kg)

Uncrated - 1,350 lb. (612.3 kg)

FrontMount Power Unit only (uncrated) - 930 lb. (421.8 kg)

Frontmount deck only, side discharge (uncrated) - 420 lb. (190.5 kg)

Cutting Width

61 in.

Turning Radius

True zero degree, turns within own length with counter-rotating, independently powered drive wheels. Seat is pivot point.

Mowing Height Range

1.25 - 5.0 in. (3.2 - 12.7 cm)

Operational

Steering

One- or two-hand operation with adjustable HydraSmooth™ QuikAjust Tilt™ dual levers with 9 in. adjustment for a custom fit that automatically return to neutral from either forward or reverse position

Deck Construction

Robotic-welded steel - Tubular 2.25 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 in. thick in stress zones. Geometrically engineered design with 7 ga. skirts to withstand the brunt of commercial mowing

Deck Type

DuraMax

Discharge

Side

Spindles

Assemblies - 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.

Housings - 8 in. (20.3 cm) diameter machined aluminum with 6-bolt pattern

Blades

Tempered, alloy steel - (3) 21 in. (53.3 cm)

Drive - Maintenance-free gearbox with single Kevlar V-belt and idler arm tensioning

Tempered, alloy steel - (3) 21 in. (53.3 cm)

Drive - Maintenance-free gearbox with single Kevlar V-belt and idler arm tensioning

Other

Includes

Crankshaft - Horizontal

Muffler - Ultra quiet, single, industrial type

Suspension - AntiVibe PowerPlatform™ with iso-mounted seat and footrest

Trimability (Outside of std. tire to left trim side) - 8.5 in. (21.6 cm)

Crankshaft - Horizontal

Muffler - Ultra quiet, single, industrial type

Suspension - AntiVibe PowerPlatform™ with iso-mounted seat and footrest

Trimability (Outside of std. tire to left trim side) - 8.5 in. (21.6 cm)

Warranty

Commercial use - 3-year unlimited hours; limited: First two years covering parts and labor; third year covering parts only

Residential use - 4-year or 800-hour (whichever comes first); limited covering parts and labor

Commercial use - 3-year unlimited hours; limited: First two years covering parts and labor; third year covering parts only

Residential use - 4-year or 800-hour (whichever comes first); limited covering parts and labor

Features & Benefits

SINGLE-FORK TAIL WHEEL: Single-fork tail wheels enhance weight distribution, improve stability and enhance castering effect when maneuvering.
T6® DRIVE HYDROSTATIC TRANSMISSION: Tandem 16cc Parker pumps-in-reservoir transmission with design-matched Parker high-torque wheel motors. In-line CoolFan™ cooling system for cooling efficiency and long service intervals. Delivers smooth response and requires less maintenance, with industry-leading 1,000-hour fluid change interval.
QUIKCONVERTER™ IMPLEMENT CAPABILITY: Add or remove implements in minutes without tools with QuikConverter™ Implement System. Equip your out-front mower with a wide range of tools, including turf cleanup, renovation and snow removal implements that extend your productivity year-round.
ANTIVIBE POWER PLATFORM®: Isolates the engine and T-Drive™ from the operator platform for an unprecedented vibration-free experience.
MINIMAL MAINTENANCE: Fewer than 10 grease points and easy top-side access to belts and filters. 1,000-hour transmission fluid change intervals. Self-tensioning belts minimize cost and labor on routine maintenance.
VIGILANT OPERATOR PRESENCE SYSTEM™: Standard, low profile Roll-over Protection System (ROPS) structure with an adjustable seatbelt. Dampened steering levers that return to neutral from forward and reverse. Interlock switches that shut down the engine when the operator leaves the seat while PTO is engaged or levers are in drive position.
B&S VANGUARD BIG BLOCK: 896 cc, air-cooled OHV Vanguard Big Block V-twin engine with horizontal crankshaft for longer life.
POWERFOLD® ELECTRIC DECK LIFT: Standard on all FrontMount™ DuraMax® decks, PowerFold® is the zero-turn mower industry's first electric deck lift (introduced in 2004). PowerFold® rotates the deck nearly 90 degrees to provide easy access to the underside of the deck for simplified maintenance and mulching package installation, plus space-saving portability and storage. The feature also adjusts cutting height between 1.25 and 5.0 inches and controls deck lift functions using a single switch.
HEAVY-DUTY DECK: Extra-deep, 5.5-inch deck is fabricated from heavy-gauge formed steel with a reinforced anvil edge. Specially designed cutting chambers enhance airflow for better cut quality. Deck easily converts from side discharge to optional Down Discharge™ mulching or PowerVac™ collection. Sentry™ spindles with massive, 8-inch flanges anchored in a 6-bolt pattern, spread the force of impact for greater strength. Spindle planes are fabricated from double-layered formed steel laminate and combine with the spindles to form a triple-strength deck to keep blades level and deliver a high-quality cut. Sentry™ spindle guards shield spindle housing and seal lower bearings from fiber wrap and dirt ingestion.
WIDE STANCE SINGLE-FORK TAIL WHEEL: 13 x 6.50 x 6 rib tread, pneumatic (2)
BUILT FOR LONG LIFE: Robotically-welded, high-grade steel construction and I-beam reinforcement for long-lasting durability. Centered-bearing design provides greater load-bearing capacity to easily handle the weight of operator, fuel and high-capacity collector with reserve strength for curb shocks and weight shifts. Tough-as-nails powder-coated finish is fusion-bonded for chip and rust resistance.
LED WORK LIGHTS: LED work lights provide improved visibility in low light situations.
ULTIMATE OPERATOR STATION™: The deep-cushioned, deluxe Premium Comfort Seat features a coil-spring suspension and padded lumbar support for all-day comfort. Iso-mounting eliminates vibration before it reaches the seat, and both padded seat and armrests are covered in scuff-resistant, breathable CoolTemp Cordura® fabric, which dissipates heat and won’t tear or crack with extended use. Operational controls including throttle, ignition and push/pull PTO switches, angled View-Eze™ console and adjustable cup holder are well positioned for visibility and ease of reach. One- or two handed operation with QuikAjust Tilt™ dual levers with 9-inch comfort range to custom fit operator's reach. Levers automatically return to neutral from either forward or reverse position and are less strenuous than riding mowers with steering wheels.

Features & Benefits

SINGLE-FORK TAIL WHEEL: Single-fork tail wheels enhance weight distribution, improve stability and enhance castering effect when maneuvering.
T6® DRIVE HYDROSTATIC TRANSMISSION: Tandem 16cc Parker pumps-in-reservoir transmission with design-matched Parker high-torque wheel motors. In-line CoolFan™ cooling system for cooling efficiency and long service intervals. Delivers smooth response and requires less maintenance, with industry-leading 1,000-hour fluid change interval.
QUIKCONVERTER™ IMPLEMENT CAPABILITY: Add or remove implements in minutes without tools with QuikConverter™ Implement System. Equip your out-front mower with a wide range of tools, including turf cleanup, renovation and snow removal implements that extend your productivity year-round.
ANTIVIBE POWER PLATFORM®: Isolates the engine and T-Drive™ from the operator platform for an unprecedented vibration-free experience.
MINIMAL MAINTENANCE: Fewer than 10 grease points and easy top-side access to belts and filters. 1,000-hour transmission fluid change intervals. Self-tensioning belts minimize cost and labor on routine maintenance.
VIGILANT OPERATOR PRESENCE SYSTEM™: Standard, low profile Roll-over Protection System (ROPS) structure with an adjustable seatbelt. Dampened steering levers that return to neutral from forward and reverse. Interlock switches that shut down the engine when the operator leaves the seat while PTO is engaged or levers are in drive position.
B&S VANGUARD BIG BLOCK: 896 cc, air-cooled OHV Vanguard Big Block V-twin engine with horizontal crankshaft for longer life.
POWERFOLD® ELECTRIC DECK LIFT: Standard on all FrontMount™ DuraMax® decks, PowerFold® is the zero-turn mower industry's first electric deck lift (introduced in 2004). PowerFold® rotates the deck nearly 90 degrees to provide easy access to the underside of the deck for simplified maintenance and mulching package installation, plus space-saving portability and storage. The feature also adjusts cutting height between 1.25 and 5.0 inches and controls deck lift functions using a single switch.
HEAVY-DUTY DECK: Extra-deep, 5.5-inch deck is fabricated from heavy-gauge formed steel with a reinforced anvil edge. Specially designed cutting chambers enhance airflow for better cut quality. Deck easily converts from side discharge to optional Down Discharge™ mulching or PowerVac™ collection. Sentry™ spindles with massive, 8-inch flanges anchored in a 6-bolt pattern, spread the force of impact for greater strength. Spindle planes are fabricated from double-layered formed steel laminate and combine with the spindles to form a triple-strength deck to keep blades level and deliver a high-quality cut. Sentry™ spindle guards shield spindle housing and seal lower bearings from fiber wrap and dirt ingestion.
WIDE STANCE SINGLE-FORK TAIL WHEEL: 13 x 6.50 x 6 rib tread, pneumatic (2)
BUILT FOR LONG LIFE: Robotically-welded, high-grade steel construction and I-beam reinforcement for long-lasting durability. Centered-bearing design provides greater load-bearing capacity to easily handle the weight of operator, fuel and high-capacity collector with reserve strength for curb shocks and weight shifts. Tough-as-nails powder-coated finish is fusion-bonded for chip and rust resistance.
LED WORK LIGHTS: LED work lights provide improved visibility in low light situations.
ULTIMATE OPERATOR STATION™: The deep-cushioned, deluxe Premium Comfort Seat features a coil-spring suspension and padded lumbar support for all-day comfort. Iso-mounting eliminates vibration before it reaches the seat, and both padded seat and armrests are covered in scuff-resistant, breathable CoolTemp Cordura® fabric, which dissipates heat and won’t tear or crack with extended use. Operational controls including throttle, ignition and push/pull PTO switches, angled View-Eze™ console and adjustable cup holder are well positioned for visibility and ease of reach. One- or two handed operation with QuikAjust Tilt™ dual levers with 9-inch comfort range to custom fit operator's reach. Levers automatically return to neutral from either forward or reverse position and are less strenuous than riding mowers with steering wheels.