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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


