Offering intense mowing power in a compact mid-mount mower design, the Grasshopper Model 329B zero-turn lawn mower offers powerful, efficient and economical performance to both residential owners and commercial landscapers alike. The Model 329B is durable and easy to maintain with fewer service points.
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Model 329B Features & Benefits

B&S Vanguard Big Block 

  • 896 cc, air-cooled OHV Vanguard Big Block V-twin engine with horizontal crankshaft for longer life

 

Design-Matched G2 Transmission 

  • Robust G2 transmission features 7-micron absolute filter and CoolFan™ hydro cooling system
  • HydroGear variable displacement 16 cc piston-pumps and high-torque Parker wheel motors
  • Provides 1,000-hour transmission fluid change interval

 

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

 

QuikAjust® Drop Pin Height Adjustment 

  • Raise and lower the deck easily with foot pedal and drop pin for precision cutting heights between 1.0 and 5.0 inches.

 

Reduced Maintenance 

  • Only two Access-Eze™ lubrication points cut maintenance time up to 95%
  • Self-tensioning belts minimize cost and labor on routine maintenance

 

Rugged Construction 

  • Robotically-welded steel construction for long-lasting durability
  • Centered-bearing design provides greater load-bearing capacity to 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

 

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

 

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, choke and angled View-Eze™ console and adjustable cup holder are well positioned for visibility and ease of reach
  • One- or two-handed operation with ComfortReach™ adjustable Hydra-Smooth™ dual levers that automatically return to neutral from either forward or reverse position.

Model 329B Specs & Compare

Specifications Model 329B-52, 329B-61, & 329B-72
ENGINE  
Type/Horsepower/Cylinders B&S Vanguard Big Block, 2-cylinder
Displacement 54.6 cu. in. (895 cc)
Lubrication System Pressure Lube/Filter
Crankshaft Horizontal
Cooling System Air
Fuel Gasoline - Unleaded
Fuel Capacity 12 U.S. Gal. (45.4 l)
Optional Fuel Capacity NA
Air Cleaner Heavy-duty, cyclonic, remote-mounted dual air cleaner with replaceable element.
Muffler Ultra quiet, single, industrial type.
DURAMAX® DECKS  
DECK DuraMax
Mulching Package # 504567(52), 504569(61), 504571(72)
DURAMAX®; DECK SIZE  
– 41" Deck NA
– 42" Deck NA
– 44" Deck NA
– 48" Deck NA
– 52" Deck *
– 61" Deck *
– 72" Deck *
CUTTING HEIGHT RANGE 1.0 to 5.0 in. (2.5cm to 12.7 cm)
CONSTRUCTION (Robotic-welded steel) Double-layered 10-gauge plus 7-gauge formed-steel laminated spindle plane 0.313 in (7.95 mm) thick- more than 25% thicker than 0.25 in. (6.35 mm) with 7-gauge skirts for geometric strength. Spindle plane is 0.9 in.(22.86 mm) thick in stress zones. Anvil-e
BLADES (Tempered, alloy steel)  
– 41" Deck NA
– 42" Deck Na
– 44" Deck NA
– 48" Deck NA
– 52" Deck (3) 18 in. (45.7 cm)
– 61" Deck (3) 21 in. (53.3 cm)
– 72" Deck (3) 25 in. (63.5 cm)
SPINDLE 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.
SPINDLE HOUSINGS 8 in. (20.3 cm)-diameter housing. Machined aluminum housing on 52- and 61-inch deck. Cast iron on 72-inch deck.
BLADE DRIVE Belt drive with single Kevlar V-belt and idler arm tensioning.
TRIMABILITY (Outside of std. tire to left trim side)  
– 41" Deck NA
– 42" Deck NA
– 44" Deck NA
– 48" Deck NA
– 52" Deck NA
– 61" Deck NA
– 72" Deck NA
STARTER & ELECTRICAL SYSTEM  
Battery (maintenance-free) 12 Volt
Starter Solenoid shift
Ignition Breakerless
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.
ULTIMATE OPERATOR STATION  
Seat Ultimate Suspension Ride (USR) 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 with iso-mounted seat and footrest
Console-mounted Instruments Low engine oil pressure and parking brake warning lights, digital hour meter, ignition and push/pull PTO switches. Choke integrated with throttle lever.
Work Lights Optional-LED
Hour Meter Standard
TRANSMISSION & STEERING  
Type Design-matched G2 hydrostatic system with auxillary cooling fans, HydroGear variable displacement 16 cc piston-type pumps and high-torque Parker wheel motors.
Filtration/Hydro Fluid  7 micron absolute, spin-on / Grasshopper CoolTemp Hydro-Max™ fluid withstands high and low temperature extremes for 1,000-hour change intervals.
Speed (52-) 0 - 10.0 mph (0 - 16.1 kph) forward (61- and 72-) 0 - 10.5 mph (0 - 16.9 kph) forward 0 - 6.0 mph (0 - 9.7 kph) reverse
Turning Radius True zero degree, turns within own length with counter-rotating, independently powered drive wheels.
Steering One- or two-hand operation with adjustable Hydra-Smooth™ dual levers that automatically return to neutral from either forward or reverse position.
Brakes Dynamic braking through hydrostatic transmission.
Parking Brake Disc parking brakes, one for each drive wheel.
Attachment Drive NA
TIRE SIZES  
MidMount  
Drive Wheels - Standard (4-ply rated)  
– 41" Deck NA
– 42" Deck NA
– 44" Deck NA
– 48" Deck NA
– 52" Deck 23x10.50x12 turf, 4-ply rated
– 61" Deck 24x12.00x12 turf, 4-ply rated
– 72" Deck 24x12.00x12 turf, 4-ply rated
Drive Wheels – Optional (4-ply rated) 24x12.00x12 bar tread, 4-ply rated
Front Wheels – All Models 13x6.50x6; rib tread, pneumatic with greasable, double-sealed bearings to protect from grass wrap.
DIMENSIONS  
Height (Seat Back) 47.0 in. (119.4 cm)
Height (Seat Cushion) 31.5 in. (80.0 cm)
Height (ROPS) 70.0 in. (177.8 cm)
Length (MidMount w/ DuraMax® Deck - Mowing Position)  
– 41" Deck NA
– 42" Deck NA
– 44" Deck NA
– 48" Deck  
– 52" Deck 79.5 in. (201.9 cm)
– 61" Deck 81.0 in. (205.7 cm)
– 72" Deck 84.5 in. (214.6 cm)
Deck Width (Side Discharge)  
– 41" Deck NA
– 42" Deck NA
– 44" Deck NA
– 48" Deck NA
– 52" Deck 65.5 in. (166.5 cm)
– 61" Deck 74.5 in. (189.2 cm)
– 72" Deck 85.5 in. 227.3 cm)
Deck Width (Mulch*)  
– 41" Deck NA
– 42" Deck NA
– 44" Deck NA
– 48" Deck NA
– 52" Deck 53.5 in (135.8 cm)
– 61" Deck 62.5 in.* (158.8 cm)
– 72" Deck 73.5 in.* (186.7 cm)
Weight (Uncrated)  
– 41" Deck NA
– 42" Deck NA
– 44" Deck NA
– 48" Deck NA
– 52" Deck 1140 lbs. (517.1 kg)
– 61" Deck 1190 lbs. (539.8 kg)
– 72" Deck 1280 lbs. (580.6 kg)
Mulching Package  
– 41" Deck NA
– 44" Deck NA
– 48" Deck NA
– 52" Deck 29 lbs. (13.2 kg)
– 61" Deck 36 lbs. (16.3 kg)
– 72" Deck 44 lbs. (20.0 kg)