Husqvarna RZ4621 BF / 966676501, RZ5424 / 966659301, RZ4623 / 966678201, RZ4621 CA RZ5424 Engine

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TECHNICAL DATA

 

RZ5424 / 966691901

RZ5424 / 966659301

 

 

 

Engine

 

 

 

 

 

Manufacturer

Kawasaki

Kohler

 

 

 

Type

FR691V

SV720

 

 

 

Power

24 hp 1,2)

24 hp 1,2)

 

 

 

Lubrication

Pressure with oil filter

Pressure with oil filter

 

 

 

Fuel

Min 87 octane unleaded (Max

Min 87 octane unleaded (Max

 

ethanol 10%, Max MTBE 15%)

ethanol 10%, Max MTBE 15%)

 

 

 

Fuel tank capacity

4 gallons / 15.1 liters

4 gallons / 15.1 liters

Cooling

Air cooled

Air cooled

 

 

 

Air filter

Standard

Standard

 

 

 

Alternator

12V

12V

 

 

 

Starter

Electric

Electric

 

 

 

Transmission

 

 

 

 

 

Transmission

Hydrostatic transaxles

Hydrostatic transaxles

Speed and direction controls

Dual levers, foam gripped

Dual levers, foam gripped

 

 

 

Speed forward

0-6 mph / 0-9.7 km/h

0-6 mph / 0-9.7 km/h

 

 

 

Speed reverse

0-3.5 mph / 0-5.6 km/h

0-3.5 mph / 0-5.6 km/h

 

 

 

Brakes

Mechanical parking brake

Mechanical parking brake

 

 

 

Front caster tires, smooth tread

13 x 5.0-6, 4 ply

13 x 5.0-6, 4 ply

 

 

 

Rear tires, turf pneumatic

18 x 9.5-8

18 x 9.5-8

Tire pressure

15 PSI / 103 kPa / 1 bar

15 PSI / 103 kPa / 1 bar

 

 

 

1)The power rating of the engines indicated is the average net power output (at specified rpm) of a typical production engine for the engine model measured to SAE standard J1349/ISO1585. Mass production engines may differ from this value. Actual power output for the engine installed in the final machine will depend on the operating speed, environmental conditions and other variables.

2)Refer to the engine manufacturer's owner manual for engine specifications.

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Contents Operator Manual All rights reserved Contents Page Introduction Good Service Manufacturing NumberSymbols and decals Xxxx xxxxxx xxxxx xxxx Xxxxxx xxxxxxxxx. xx xxxxxxxxManual Safety Safety InstructionsGeneral Operation Never take passengers Personal Safety Equipment Slope OperationChildren Safe Handling of Gasoline General Maintenance Risk of sparking Regularly clean deck TransportControls Control LocationsSteering Control Levers Blade Switch Parking BrakeThrottle Control Ignition Switch Choke ControlFuses Fuel Tank Cutting Height Adjuster Fuel Shut Off ValveAlways raise the deck to the highest position for transport Seat Adjustment Lever Hour MeterTracking Knob Training SteeringBefore Starting Starting the EngineSet the throttle Turn to the start position Weak Battery Jumper CablesTo remove cables, reverse order Running Secure selected cutting heightOperating On Hills Mowing Tips Stopping the Engine Disengage the mower deck and move throttle to minimumManual Transport Daily Maintenance interval Least Hours Once Each MaintenanceMaintenance Schedule Before After Year 100 300Daily At least Maintenance Once Interval Each Hours Year Before After 100 300Battery Replacing batterySafety System Fuel Pump Air FilterTire Pressures Deck belt installation BeltsDeck Belt Blade replacement Cutting BladesAdjusting the Mower Deck Leveling deckAnti-scalp Rollers Caster Wheels CleaningUse protective glasses when cleaning and washing HardwareLubrication GeneralDeck Spindles Front Wheel MountFront Wheel Bearings TransmissionTroubleshooting Troubleshooting Service StorageWinter Storage Schematics Technical Data RZ4222F RZ4621 RZ4621 BF RZ4621 CA EngineTransmission Dimension RZ4222F RZ4621 RZ4621 BF RZ4621 CA FrameRZ4623 RZ4824F Engine RZ4623 RZ4824F Frame RZ5424 Engine Dimensions RZ5424 FrameStandard Hardware Torque SpecificationsAccessories Metric Standard HardwareCONForMITY Certificates USA requirementsService Journal Delivery ServiceHour Service After the First 10 HoursPerform the 25-hour service At Least Once Each Year Service Journal Page 115 384327R1 08/26/10

RZ4222F / 966659401, RZ4621 BF / 966676501, RZ4621, RZ4621 CA, RZ4824F / 966678301 specifications

Husqvarna has long been a leader in outdoor power equipment, and its line of zero-turn mowers epitomizes innovation and performance. Among their notable models are the Husqvarna RZ4222F, RZ4621, RZ4824F, and RZ4621 BF, each designed to offer professional-grade results for both residential and commercial users.

The Husqvarna RZ4222F (966659401) features a robust 22 HP engine, providing ample power for tackling tough mowing tasks. With a 42-inch cutting deck, it balances maneuverability and efficiency, making it ideal for medium to large lawns. The RZ4222F is equipped with a dual hydrostatic transmission, allowing for smooth operation and improved control on varied terrain. Its ergonomic design includes an adjustable seat and easy-to-reach controls, ensuring comfort during extended use.

Moving on to the Husqvarna RZ4621, this model offers a 21 HP engine paired with a 46-inch cutting deck. It incorporates a commercial-grade hydrostatic transmission, providing exceptional speed and precision. The RZ4621 is admired for its advanced cutting technology, which delivers a clean and even cut thanks to its reinforced cutting deck. Its compact design enhances maneuverability in tight spaces, making it a versatile option for any landscaping challenge.

For those requiring a more powerful machine, the Husqvarna RZ4824F (966678301) stands out with its 24 HP engine and a 48-inch cutting deck. This model harnesses premium features like a heavy-duty frame, high-speed settings, and a wide range of cutting height adjustments, ensuring optimal performance in various conditions. The RZ4824F demonstrates Husqvarna's commitment to durability, offering an impressive lifespan even under rigorous usage.

Lastly, the RZ4621 BF (966676501) integrates advanced features aimed at user convenience and efficiency. With its durable construction and powerful engine, it excels in delivering professional-grade results. The RZ4621 BF is designed with user-friendly controls and enhanced visibility, allowing operators to maintain focus on their mowing tasks.

Each of these Husqvarna mowers features a blend of innovative technologies and user-oriented design. They are equipped with maintenance-friendly features like easy-to-access oil and filter replacements, ensuring longevity and reliability. The combination of power, precision, and comfort makes the Husqvarna RZ series a favored choice among homeowners and landscaping professionals alike. Whether you need a compact model for residential use or a robust machine for commercial applications, Husqvarna's range has a solution to meet your needs, ensuring a beautiful, well-manicured lawn with every pass.