2019 Grasshopper 623T 48"

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623T 48"



An ideal FrontMount™ solution for home or business use, the Grasshopper Model 623T riding lawn mower with zero-turn maneuverability offers the power, reliability and economical performance that homeowners and lawn care professionals need to get the job done. Make quick work of cleaning the underside of the cutting deck with the exclusive PowerFold® deck lift/electric height adjustment feature. The front-mounted deck removes and can be replaced with turf renovation and snow removal implements for year-round productivity.

Features & Benefits
  • Single-fork Tail Wheel: Single-fork tail wheels enhance weight distribution, improve stability and enhance castering effect when maneuvering.
  • 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
  • Exclusive T-Drive™ Transmission: Tandem 12cc Parker pumps-in-reservoir transmission is specifically designed for turf-care applications In-line CoolFan™ cooling system and integrated, replaceable, high-efficiency fine-particle filter Design directs more power to the cutting deck as power-sapping components are eliminated
  • 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
  • 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
  • Kohler Command Pro Engine: 694 cc, 2-cylinder, air-cooled Kohler Command V-Twin engine
  • 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
  • Vigilant Operator Presence System™: Standard, low profile operator protection structure (OPS) 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
  • Warranty: Commercial Use: 3-year unlimited hours; limited warranty: First two years covering parts and labor; third year covering parts only. Residential Use: 4-year or 800-hour (whichever comes first); limited warranty covering parts and labor.
  • Ultimate Operator Station®: ComfortZone™ seat eliminates jostles and jolts with coil-spring suspension and a fully padded, high-back seat, padded armrests and variable density foam cushion. Iso-mounting smooths the ride, erases fatigue and keeps the operator comfortably in control at faster mowing speeds 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.
  • Type/Horsepower/Cylinders: Kohler Command Pro, V-Twin
  • Displacement: 42.4 cu. in. (694 cc)
  • Lubrication System: Pressure Lube/Filter
  • Crankshaft: Horizontal
  • Cooling System: Air
  • Fuel: Gasoline - unleaded
  • Fuel Capacity: 4.0 U.S. gal. (15.14 L)
  • Air Cleaner: Heavy-duty, remote mounted, cyclonic, dual element air filtration.
  • Muffler: Ultra-quiet, industrial type
DuraMax® Decks
  • Deck: DuraMax (52")
  • Mulching Package #: 504566(48), 504567(52)
  • DuraMax® Deck Size: 48"
  • Cutting Height Range: 1.25 to 5.0 in. (3.2 cm to 12.7 cm)
  • Construction (Robotic-Welded Steel): Tubular 2.25 in. x 4 in. boxed members with 0.25 in. gussets. Formed double thickness hardened steel (0.239 in. = 3 gauge (6.07mm)) truss spindle plane and (3) Sentry™ spindles and a triple-strength upper deck, over 1/2 inch thick in stress zones. Geometrically engineered design with 7 gauge skirts to withstand the brunt of commercial mowing.
  • Blades (Tempered, Alloy Steel): 48" Deck: (2) 18 in. (45.7 cm) (1) 15 in. (38.1 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 Housings: 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.
  • Trimability (Outside of Std. Tire to Left Trim Side): 48" Deck: 3.5 in. (8.9 cm)
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: AntiVibe PowerPlatform™ with iso-mounted seat and footrest
  • Console-Mounted Instruments: Low engine oil pressure and parking brake indicator lights, work lights, digital hour meter, ignition and push/pull PTO switches.
  • Console-Mounted Instruments: Choke integrated with throttle lever.
  • Work Lights: Optional - LED
  • Hour Meter: Standard
Transmission & Steering
  • Type: T-Drive™ hydrostatic transmission with tandem 12 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.
  • Speed: 0-8.5 mph (0-13.7 kph) forward; 0-5.5 mph (0-8.9 kph) reverse.
  • Turning Radius: 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.
  • Brakes: Dynamic braking through hydrostatic transmission.
  • Parking Brake: Compression
  • Attachment Drive: Telescoping PTO shaft with two high-speed U-joints, Quik-D-Tatch® coupler and heavy-duty electric Mag Stop® blade clutch/brake.
Tire Sizes
  • Drive Wheels - Standard (4-Ply Rated): 20x10.00x8 turf tread, 4-ply rated
  • Drive Wheels - Optional (4-Ply Rated): 21x11.00x8, bar tread, 4-ply rated
  • Single Tail Wheel: 13x6.50x6 rib tread, pneumatic
  • Deck Tires (4-Ply Rated): 48" Deck: 9x3.50x4 (flat proof), 4-ply rated
  • Height (Seat Back): 43.5 in. (110.5 cm)
  • Height (Seat Cushion): 26.0 in. (66.0 cm)
  • Height (ROPS): 63.0 in. (160.0 cm)
  • Length (frontmount w/ DuraMax® Deck - Mowing Position): 48" Deck: 99.0 in (251.5cm)
  • Length (FrontMount Power Unit + DuraMax® Deck - Folded Up): 48" Deck: 78.0 in. (198.2 cm)
  • Deck Width (Side Discharge): 48" Deck: 61.5 in. (156.2 cm)
  • Deck Width (Mulch*): 48" Deck: 49.5 in. (125.7 cm)
  • FrontMount Powerunit Only (Width/Length): 47.0 in. (119.4 cm)/59.0 in. (149.9 cm)
  • FrontMount Power Unit (Wheelbase): 46.0 in. (116.8 cm)
  • (Uncrated): 48" Deck: 1040 lbs. (471.7 kg)
  • FrontMount Power Unit Only (Uncrated): 750 lbs. (340.2 kg)
  • FrontMount Deck Only - Side Discharge (Uncrated): 48" Deck: 290 lbs. (131.5 kg)
  • Mulching Package: 48" Deck: 25 lbs. (11.3 kg)
Options & Accessories
  • Ultimate Suspension Ride™ Seat: Includes a deep-cushioned, high-back, scuff-resistant Cordura®-covered seat with padded lumbar support and armrests to decrease operator fatigue and eliminate stretching and straining to reach controls.
  • Flotation Package: Includes low-pressure tires and wide-stance, single-fork tail wheels.
  • Your Choice of Decks: 48-inch 33 Series out-front, side-discharge deck, which easily converts to Down Discharge® mulching or vacuum collection. Available as manual FoldUp™ deck or equipped with PowerFold® electric deck lift/height adjustment. 52-inch 34 Series DuraMax® side-discharge deck, which easily converts to Down Discharge® mulching or vacuum collection. Available as manual FoldUp™ deck or equipped with PowerFold® electric deck lift/height adjustment. 52-inch 34R Series DuraMax® side-discharge deck, which easily converts to Down Discharge® mulching, rear discharge or vacuum collection. Comes standard with PowerFold® electric deck lift/height adjustment.
  • PowerVac® FrontMount Collection System: Powerful, deck-driven PowerVac™ collection systems deliver one-pass perfection every time, and are available with a wide range of twin or triple mesh bag or high-capacity metal hopper collectors.
  • Armrest Height Adjustment Switch: Used in conjunction with PowerFold® electric deck lift/height adjustment, this armrest-mounted switch controls deck lift functions and adjusts cutting height between 1.0 and 4.5 inches on the go.
  • Rear Discharge Shield Kit: Optional rear discharge shield kit converts 34R Series decks to direct clippings out the back of the deck for a smooth cut and no windrowing.
  • Air Dam Kit: An optional Air Dam Kit can be installed along the front edge of most mower decks to minimize dust and dirt escaping from the front of the mower.
  • SpeedTrimming™ Roller Kit: The optional SpeedTrimming™ heavy-duty, anti-scalp roller kit for 52-inch and larger DuraMax® decks speeds close trimming near buildings, fences retaining walls and other landscaping features. Kits available for both left and right sides of cutting decks.
  • Full Flotation Deck Inserts: Allow for controlled side-to-side flotation of the deck in rolling terrain for a smooth, even cut.
  • QuikConverter® Implements: Every FrontMount™ mower accepts a range of time- and labor-saving QuikConverter™ implements for even greater flexibility and productivity year-round.
  • Wide Seat Conversion Kit: Provides additional seating room for larger operators or to accommodate cell phones or pagers. Requires seat belt extension.
  • Bar-Tread Low-Pressure Tires: Optional low-pressure, high-flotation bar-tread tires flex with the terrain for maximum traction and minimize scuffing caused by wheel spin-out.
  • Tail Wheel Options: Dual-fork tail wheels or wide stance single-fork tail wheels.
  • Sunshade Canopy Vinyl: Lightweight, water repellent, UV-resistant vinyl canopy mounts easily to OPS or ROPS to limit exposure to direct sunlight, reducing eye strain and increasing operator comfort.
  • Adjustable Cup Holder: The Adjustable Cup Holder locks into multiple positions to accommodate a wide range of drink sizes.
  • Yellow Beacon Light: Yellow beacon attaches to OPS to provide greater visibility in high-traffic areas.
  • LED Work Lights: LED work lights provide improved visibility in low light situations.
  • Down Discharge™ Mulching Package: The optional Down Discharge™ mulching package with GrassMax™ High-Low Mulching blades cuts and recuts clippings and directs them deep into the turf, enriching turf and producing a beautifully manicured cut.
  • QuikAjust Tilt™ Levers: QuikAjust Tilt™ steering levers with "no tools" adjustment provide a 9-inch range for maximum comfort and fit while maintaining natural arm and wrist positions.
  • Extended Steering Levers: Provides an additional two inches of leg clearance.
  • Premier Suspension Seat: Optional premier suspension seat provides the ultimate in operator comfort. Low-profile seat slides fore and aft and includes an integrated shock absorber that manually adjusts to operators between 100 - 300 lbs. Other ergonomic features include a backrest that tilts from -5 degrees to +30 degrees, a lumbar support mechanism, adjustable armrests and a retractable seat belt.
  • Side Discharge Control Kit: Control the discharge of the mower deck to avoid putting clippings in flower beds and on sidewalks
  • 35 Series Dedicated Rear Discharge Decks: Dedicated 132-, 155- and 183-cm, extra-deep, 5.5-inch 35 Series rear discharge decks deliver revolutionary performance for applications where keeping clippings off sidewalks, driveways and parking lots is critical.
  • Michelin® X® Tweel® Airless Tail Wheels: Smooth tread, 13x6.50x6 tail wheel. Performs like a pneumatic tire, but without the inconvenience and downtime associated with flats. Not for use with PowerVac Collection Systems.
*Models may be shown with optional equipment. Applicable freight, set-up and taxes not included in "Starting At" MSRP. Options and accessories extra. Prices subject to change without notice.See local dealer for complete pricing and available offers



Engine Manufacturer
Kohler Command Pro
Engine Type
42.4 cu. in. (694 cc)


T-Drive™ hydrostatic transmission with tandem 12 cc Parker pumps-in-reservoir
Wheel Size
20x10.00x8 turf tread, 4-ply rated
Fuel Capacity
4.0 U.S. gal. (15.14 L)


Deck Size
48 in.


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