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Exmark Radius Series

Make Exmark
Model Radius Series
Machine Type Mower
Engine Kawasaki
Engine Fuel Gas
Transmission Type
Horsepower 22 HP - 24 HP
Operating Weight 804 lbs - 973 lbs
Width 60.6″ to 72.9″

With the performance you expect from Exmark, new features and a fresh look, the Radius E-Series is the right choice for home and acreage owners who want a commercial-grade mower without breaking the bank. Choose a 48″, 54″ or 60″ Exmark Series 2+ deck and a wide range of accessories for maximum versatility, and new Kawasaki V-Twin engine options give more performance per dollar than ever. For more features and productivity, see the Radius S-Series and X-Series.

Key Features:

  • Adjustable ROPS: The new square-tubing rollover protection system folds easily for storage.

  • Height of Cut Made Easy: Exmark’s patented cut height adjustment lets you set the cut height quickly and with unmatched accuracy, right from the operator seat.

  • High-Strength Steel Frame: Fabricated and fully welded from high-strength rectangular steel tubing, the frame keeps the heaviest parts (engine, transmission and fuel tank) low and centered for a lower center of gravity, more traction and more stability. New steel engine guards protect the sides and rear and come off easily for service.

  • Series 2+ Cutting Deck: Fabricated and fully welded from high-strength steel, with maintenance-free sealed bearing spindles and durable double-capture anti-scalp rollers.

  • Integrated Hydro Pump and Motor: Dual Hydro-Gear ZT-2800 transmissions with an integrated pump and motor design for efficiency, long-term reliability and ground speeds up to 8 mph.

  • Large Drive and Caster Tires: Smooth-riding 22″ drive tires and 13″ caster tires.

Specifications:

  • Models: RDE691GKA48200 (48″), RDE691GKA54200 (54″), RDE730GKA60200 (60″)

  • Engines: Kawasaki FR691, 691 cc, 23 HP (48″, 54″); Kawasaki FR730, 730 cc, 24 HP (60″); V-Twin, carbureted, 3,600 rpm

  • Fuel: gas, 7-gallon single tank with single fill location, float gauge

  • Starter: electric, 12-volt battery with 15-amp alternator

  • Air filter: engine manufacturer’s standard air filter

  • Drive: two Hydro-Gear ZT-2800 hydrostatic transmissions with no hoses, integrated cooling fans and integrated reservoir

  • Speed: infinitely variable, 0 to 8.0 mph forward, 0 to 4.0 mph reverse

  • Steering: hydraulically dampened twin levers, fore/aft and 2-position height adjustment

  • PTO: electromagnetic 105 ft-lb clutch

  • Deck: floating Series 2+ fabricated and welded steel deck, side discharge standard, option to bag or mulch

  • Deck construction: formed and welded 7-gauge top, 12-gauge side skirt, 0.375″ welded bumper, 4-point suspension

  • Cutting height: 1.5″ to 5.0″ in 0.25″ increments, foot pedal with single-point drop pin

  • Blades: three 16.5″ (48″), three 18.75″ (54″) or three 20.5″ (60″), tip speed approx. 18,500 fpm

  • Spindles: no maintenance, sealed and non-greasable, 7.75″ cutter housing, 25 mm (0.98″) shaft

  • Frame: unibody, welded heavy-duty 1.5″ x 3″ tubular steel

  • Tires: 13 x 6.5-5 smooth-tread pneumatic front casters; 22 x 10-10 (48″, 54″) or 22 x 11-10 (60″) K3012 drive

  • Seat: deluxe two-tone bolstered seat with flip-up armrests and integral safety switch

  • Safety: Operator Presence Controls and drive system interlock, automatic-actuated pawl parking brake, 2-post foldable ROPS with seat belt

  • Standard: hour meter, cup holder and hitch

  • Productivity: 3.10 acres per hour (48″), 3.48 (54″), 3.87 (60″), for 3 to 5 acres

  • Dimensions: 60.6″ (48″), 66.5″ (54″), 72.9″ (60″) wide; 83.9″ long; 73.7″ high

  • Curb weight: 804 lbs (48″), 826 lbs (54″), 851 lbs (60″)

  • Warranty: 3 years or 500 hours limited, commercial and consumer

The Exmark Radius brings together performance, durability and value. Every Radius has a powerful Kawasaki engine, high-capacity Hydro-Gear transmissions and a fabricated, welded cutting deck for cut quality, strength and long-term durability, and it makes quick work of properties up to 5 acres. A wide range of accessories is available, including Exmark’s Adapt tool-free deck rake adjustment, once available only on the Lazer Z.

With a strong blend of speed, power, cut quality and value, the Radius S-Series is the ideal zero-turn for home and acreage owners who demand advanced performance. Choose a 48″, 52″ or 60″ UltraCut Series 3 side-discharge deck with Exmark’s exclusive flow-control baffles for superior cut quality. The deluxe high-back seat has adjustable spring suspension and molded flip-up armrests for all-day comfort for operators of virtually any size. It is built for maximum durability with less maintenance: just two annual grease points, low-maintenance Hydro-Gear transmissions, reliable Kawasaki engines and long-lasting components. For more power, productivity and durability, see the Radius X-Series.

Key Features:

  • Full-Suspension Operator Seat: A deluxe full-suspension seat cuts the bumps and vibration that reach the operator, and with the large 23″ drive tires gives a smoother ride and less fatigue.

  • UltraCut Series 3 Cutting Deck: Fabricated and fully welded from high-strength steel, with Exmark’s exclusive Flow-Control baffles for Exmark Signature cut quality, maintenance-free sealed bearing spindles and double-capture anti-scalp rollers.

  • Integrated Hydro Pumps and Motors: Dual Hydro-Gear ZT-3100 transmissions with an integrated pump and motor design for efficiency, long-term reliability and ground speeds up to 9 mph.

  • High-Strength Steel Frame: Fabricated and fully welded from high-strength rectangular steel tubing, the frame keeps the heaviest parts (engine, transmission and fuel tank) low and centered for a lower center of gravity, more traction and more stability. New steel engine guards protect the sides and rear and come off easily for service.

  • Easy Serviceability: The floor pan and belt shields come off without tools, and an integrated jack receiver at the front of the frame gives easy access to the top and bottom of the deck.

  • Upgraded Commercial Warranty: An extended 4-year/500-hour commercial warranty.

Specifications:

  • Models: RDS691GKA48CA3 (48″), RDS691GKA523A3 (52″), RDS730GKA603A3 (60″)

  • Engines: Kawasaki FR691, 691 cc, 23 HP (48″, 52″); Kawasaki FR730, 730 cc, 24 HP (60″); V-Twin, carbureted, 3,600 rpm

  • Fuel: gas, 7-gallon single tank with single fill location, float gauge

  • Starter: electric, 12-volt battery with 15-amp alternator

  • Air filter: engine manufacturer’s standard air filter

  • Drive: two Hydro-Gear ZT-3100 hydrostatic transmissions with no hoses, integrated cooling fans and integrated reservoir

  • Speed: infinitely variable, 0 to 9.0 mph forward, 0 to 4.5 mph reverse

  • Steering: hydraulically dampened twin levers, fore/aft and 2-position height adjustment

  • PTO: electromagnetic 105 ft-lb clutch

  • Deck: full-floating UltraCut Series 3, side discharge standard with molded chute, option to bag or mulch

  • Deck construction: formed and welded 10-gauge top, 7-gauge side skirt, 0.375″ welded bumper, 4-point suspension

  • Cutting height: 1.5″ to 5.0″ in 0.25″ increments, foot pedal with single-point drop pin and lift-assist springs

  • Blades: two 24.5″ (48″), three 18″ (52″) or three 20.5″ (60″), tip speed approx. 18,500 fpm

  • Spindles: no maintenance, sealed and non-greasable, 7.75″ cutter housing, 25 mm (0.98″) shaft

  • Frame: unibody, welded heavy-duty 1.5″ x 3″ tubular steel

  • Tires: 13 x 6.5-5 smooth-tread pneumatic front casters; 23 x 9.5-12 (48″, 52″) or 23 x 10.5-12 (60″) K3012 drive

  • Seat: deluxe two-tone bolstered suspension seat with flip-up armrests and 3″ travel

  • Safety: Operator Presence Controls and drive system interlock, automatic-actuated pawl parking brake, 2-post foldable ROPS with seat belt

  • Standard: hour meter, cup holder, hitch and suspension seat

  • Productivity: 3.48 acres per hour (48″), 3.77 (52″), 4.35 (60″), for 3 to 5 acres

  • Dimensions: 61.3″ (48″), 64.3″ (52″), 72.3″ (60″) wide; 83.9″ long; 73.7″ high

  • Curb weight: 859 lbs (48″), 881 lbs (52″), 903 lbs (60″)

  • Warranty: 4 years or 500 hours limited, commercial and consumer

The Exmark Radius brings together performance, durability and value. Every Radius has a powerful Kawasaki engine, high-capacity Hydro-Gear transmissions and a fabricated, welded cutting deck for cut quality, strength and long-term durability, and it makes quick work of properties up to 5 acres. A wide range of accessories is available, including Exmark’s Adapt tool-free deck rake adjustment, once available only on the Lazer Z.

For the power and productivity of a premium commercial mower on a budget, there is the Radius X-Series. It combines features first proven on the premier Lazer Z with the value Radius is known for. Choose a 52″ or 60″ UltraCut Series 4 side-discharge deck and premium Kawasaki commercial engines, with integrated high-capacity Hydro-Gear transmissions and aggressive drive tires for unmatched traction and control. Large semi-pneumatic caster tires, upgraded cast steel caster forks and tapered caster pivot bearings give years of maintenance-free performance, and an adjustable full-suspension seat and isolated floor pan keep the operator comfortable on long days. For more power, larger decks and more innovation, see the Lazer Z family.

Key Features:

  • UltraCut Series 4 Cutting Deck: Fabricated and fully welded from high-strength steel, with Exmark’s exclusive Flow-Control baffles for Exmark Signature cut quality, maintenance-free sealed bearing spindles and upgraded double-capture anti-scalp rollers.

  • Kawasaki Commercial Engines: Premium Kawasaki V-Twin engines take commercial power and performance to the next level.

  • High-Back Suspension Seat: A deluxe high-back seat with three inches of adjustable suspension, an EVC stretch foam base and iso mounts at the seat base for all-day comfort.

  • High-Strength Steel Frame: Fabricated and fully welded from high-strength rectangular steel tubing, the frame keeps the heaviest parts (engine, transmission and fuel tank) low and centered for a lower center of gravity, more traction and more stability. New steel engine guards protect the sides and rear and come off easily for service.

  • Upgraded Caster Assemblies: Maintenance-free tapered caster pivot bearings, cast steel caster forks and large semi-pneumatic caster tires.

Specifications:

  • Models: RDX691GKA524A3 (52″), RDX730GKA604A3 (60″)

  • Coming: RDX730GKA524A3 (52″, 23.5 HP Kawasaki FX730V) and RDX751GKA604A3 (60″, 24.5 HP Kawasaki FX751V), available Spring 2027

  • Engines: Kawasaki FX691V, 22 HP (52″); Kawasaki FX730V, 23.5 HP (60″); V-Twin, 726 cc, carbureted, 3,800 rpm

  • Fuel: gas, 7-gallon single tank with single fill location, translucent visual indicator

  • Starter: electric, 12-volt battery with 15-amp alternator

  • Air filter: cyclonic air cleaner

  • Drive: dual Hydro-Gear ZT-3400 hydrostatic transmissions with charge pumps, relief valves and independent replaceable filters

  • Speed: infinitely variable, 0 to 9.0 mph forward, 0 to 5.0 mph reverse

  • Steering: hydraulically dampened twin levers, fore/aft and 2-position height adjustment

  • PTO: MagStop electromagnetic 125 ft-lb clutch

  • Deck: full-floating UltraCut Series 4, side discharge standard with molded chute, option to bag or mulch

  • Deck construction: formed, continuously seam-welded 10-gauge high-strength alloy top, 7-gauge side skirt

  • Cutting height: 1.5″ to 5.0″ in 0.25″ increments, foot-controlled deck lift

  • Blades: three 18″ (52″) or three 20.5″ (60″), tip speed approx. 18,500 fpm

  • Spindles: no maintenance, sealed and non-greasable, 7.30″ cutter housing, 17 mm (0.67″) shaft, hex blade drive

  • Frame: unibody, welded heavy-duty 2″ x 3″ rectangular tubular steel

  • Tires: 13 x 6.5-6 smooth-tread pneumatic front casters with caged roller bearings; 23 x 9.5-12 (52″) or 23 x 10.5-12 (60″) Super Turf drive

  • Seat: deluxe adjustable spring suspension seat with high back, molded foam flip-up armrests and integral safety switch

  • Safety: Operator Presence Controls and drive system interlock with indicators, lever-actuated pawl parking brake, 2-post foldable ROPS with seat belt and latch

  • Standard: engine hour meter, cup holder, tow hitch and jack receiver

  • Productivity: 3.77 acres per hour (52″), 4.35 (60″), for 3 to 5 acres

  • Dimensions: 64.3″ (52″) or 72.3″ (60″) wide; 80.3″ or 80.5″ long; 69.7″ high

  • Curb weight: 923 lbs (52″), 973 lbs (60″)

  • Warranty: 4 years or 750 hours limited, commercial and consumer

The Exmark Radius brings together performance, durability and value. Every Radius has a powerful Kawasaki engine, high-capacity Hydro-Gear transmissions and a fabricated, welded cutting deck for cut quality, strength and long-term durability, and it makes quick work of properties up to 5 acres. A wide range of accessories is available, including Exmark’s Adapt tool-free deck rake adjustment, once available only on the Lazer Z.

Choosing the Right Model

  • Radius E-Series: 48″, 54″ or 60″ Series 2+ decks, Kawasaki FR691 or FR730 engines (23 to 24 HP), up to 8 mph, 3-year/500-hour warranty.

  • Radius S-Series: 48″, 52″ or 60″ UltraCut Series 3 decks, Kawasaki FR691 or FR730 engines, full-suspension seat, up to 9 mph, 4-year/500-hour warranty.

  • Radius X-Series: 52″ or 60″ UltraCut Series 4 decks, Kawasaki FX691V or FX730V engines (22 to 23.5 HP), cast steel caster forks, up to 9 mph, 4-year/750-hour warranty. Two more models due Spring 2027.

Common Features Across All Models

  • Kawasaki V-Twin engines

  • High-capacity Hydro-Gear hydrostatic transmissions

  • Fabricated, welded cutting decks, side discharge standard with the option to bag or mulch

  • Cutting heights from 1.5″ to 5.0″ in 0.25″ increments

  • 7-gallon single fuel tank with single fill location

  • Hydraulically dampened twin levers, adjustable fore/aft and to 2 height positions

  • High-strength rectangular steel frame with the heaviest parts low and centered, plus steel engine guards

  • 2-post foldable ROPS with seat belt

  • Operator Presence Controls and drive system interlock

  • Electric start

  • Made for properties up to 5 acres

  • Accessories include Adapt tool-free deck rake adjustment

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