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Husqvarna RZ4621

Husqvarna RZ4621

RRP: $6199.00

Product Code: 966582301

For manoeuvrability, efficiency and convenience the RZ4621 homeowner zero-turn mower really delivers. True zero-turn mower performance with twin, maintenance-free integrated transmissions, heavy-duty front casters and a rugged tube steel frame. High performance cutting decks allow side ejection or optional mulch and collection capability. Convenient control placement, foam padded steering levers and an adjustable seat make these units easy and enjoyable to operate.

Engine: Briggs & Stratton - 540cc / 21hp
Deck: Collect/Mulch/Side Discharge
Cutting Width: 117cm / 46
Transmission: EZT
Warranty: 2yr Domestic / 1yr Commercial




  • BioClip® kit/cover accessory - Makes it possible to convert your mower to BioClip®, which means that the grass is cut into small pieces that quickly decompose and return to the lawn as fertiliser, also making the lawn more drought resistant.
  • Cutting performance - High performance stamped steel cutting deck features 3-in-1 blade design for mulch, collection and discharge capability.
  • Rugged frame and casters - The robust frame and casters ensure durability and reduced chassis flex.
  • Water hose connection - Facilitates cleaning of the cutting deck. Attach the hose, turn on the water and start the engine and you will get a cleaner deck. For optimum results, clean the mower directly after use.
  • Comfortable operation - Ergonomic driver’s position with excellent overview of working area. All controls within easy access of operator.
  • Collector accessory - Collect the grass clippings and get tidy cutting results. Two-bin collector available as accessory.
  • Zero-turn steering system - Individual, hydraulic wheel-drive provides very precise manoeuvring and allows the mower to rotate around its own axle, without any turning radius.
  • Removable foot pan - Removable dimpled-steel foot pan for easy access to deck belt pulleys, spindles and clean-up.
  • Easy-access service points - Oil and filter maintenance, hydraulic drive system components/adjustment, electrical system and battery are all within easy reach so you can quickly get back to being productive.
  • Powerful air stream - The ventilated Air Induction cutting deck gives an extra powerful air stream for outstanding cutting and collecting of grass as well as leaves.
  • Engine
    Engine manufacturer - Briggs & Stratton
    Engine name - Endurance Series
    Power - 21 hp
    Cylinder displacement - 540 cm³ / 33 cu.inch
    Cylinders - 1
    Engine cooling - Air
    Generator - 0 A
    Air Filter type - Standard
    Fuel Type - Unleaded
    Fuel tank volume - 11.4 litre / 3 gal.
    Fuel tank location - Side (Single)
    Engine lubrication type - Full pressure
    Oil capacity - 1.4 litre / 48 fl oz
    Oil filter - Yes
  • Drive system
    Transmission type - EZT
    Transmission manufacturer - Hydro-Gear
    Pump displacement - 10 cm³
    Fan-cooled pumps - Yes
    Speed forward, min-max - 0-10.5 km/h / 0-6.5 mph
    Speed reverse, min-max - 0-5.6 km/h / 0-3.5 mph
  • Cutting deck
    Cutting width - 117 cm / 46 inch
    Cutting deck type - Stamped
    Cutting methods - Collect/Mulch/Side ejection
    Cutting deck material - Steel
    Deck thickness - 13 gauge / 2.4 mm
    Cutting height, min-max - 38 - 102 mm / 1.5 - 4 inch
    Cutting height steps - 6
    Blade engagement - Electric clutch
    Clutch rating - 142.36 Nm / 105 ft.lb
    Blades - 2
    Blade-tip speed - 84.33 m/s / 16600 fpm
    Anti-scalp wheels - 3
    Deck lifting system - Manual, hand operated
    Powder-coated cutting deck - Yes
    Spindle/mandrel type - Aluminium, vented
    Greasable mandrels - Yes
    Deck Wash Port - Yes
  • Other
    Seat material - Vinyl
    Seat spring - Yes
    Seat back height - Medium
    Fuel level window - Yes
    Hour meter - Digital
    Cup holder - Yes
    Dimensions Tyre size, front - 11x4-5"
    Tyre size, rear - 18x8.5-8"
    Wheelbase - 111.12 cm / 43.75 "
    Base machine, length - 190.5 cm / 75 inch
    Base machine, width (chute down) - 171.45 cm / 67.5 inch
    Base machine, width (chute up) - 144.78 cm / 57 inch
    Base machine, height - 101.6 cm / 40 inch
    Weight - 263.1 kg / 580 lbs
  • Productivity
    Productivity - 9712 m²/h / 2.4 acres/hr