Skip to content

APEX vs Radius

APEX vs Radius compared side by side: specs, ratings, price and owner feedback from our independent reviews.

APEX vs Radius
Ariens APEX Exmark Radius
Our rating 3.8 3.8
Performance 4.0 4.0
Build quality 4.0 4.0
Reliability 3.5 4.0
Value for money 3.5 3.5
Comfort & ergonomics 4.0 3.5
Features 3.5 3.5
Price — $6,699
Specifications
Power type Gasoline Gasoline
Engine Kawasaki FR691V 23 hp (48 and 52-in.); Kawasaki FR730V 24 hp (60-in.), per Ariens Kawasaki FR691V 23 hp (S-Series 48 and 52-in.); Kawasaki FR730V 24 hp (S-Series 60-in.); E and X not clearly stated
Displacement 726 cc V-twin (as listed by Ariens) —
Fuel type Gasoline Gasoline
Transmission Hydro-Gear ZT-3100 transaxles HydroGear ZT-3100 (S-Series)
Drive Zero-turn, dual-lever steering Zero-turn, dual-lever steering
Deck size 48, 52 and 60 in. 48, 52 and 60 in. (S-Series); 48, 54 and 60 in. (E-Series)
Deck construction ENVY ELITE fabricated 10-gauge steel, 5.5 in. deep UltraCut Series 3, 10-gauge top and 7-gauge skirts (S-Series); Series 2+ fabricated welded (E-Series)
Cutting height Up to 5 in., 15 positions in 1/4-in. steps —
Blades 3 spindles (per AllMachines) —
Discharge Side discharge; mulching and bagging listed as options on AllMachines Side discharge
Top speed 8 mph forward, 4 mph reverse (per AllMachines) Up to 8 mph (E-Series); up to 9 mph (S-Series)
Front tires 13x6.5-6 —
Rear tires 22x10-12 (48-in.), 22x10.5-12 (52-in.), 22x12-12 (60-in.), per AllMachines 23-in. drive tires (S-Series)
Weight 802 to 845 lb depending on deck (per AllMachines) —
Fuel capacity 5.1 US gal (per AllMachines) 7 US gal
Model numbers 991296 (48), 991159 (52), 991163 (60) RZS730GKA603A3 (S 60), RZE708GEM48C00 (E 48)
Seat 20-in. high-back with armrests —
Frame Fully welded enclosed rectangular tubing —
Blade tip speed 18,137 to 18,576 ft/min (per AllMachines) About 18,500 ft/min
Cash prices — E $6,699, S $7,199, X $9,999
Dimensions (60-in.) — 72.3 in. W x 80.5 in. L x 69.7 in. H
Verdict The APEX is the Ariens to buy if you want a heavier deck, stronger transaxles and a longer warranty without moving to a commercial price. On paper it is a…
Read the full review
The Radius gives you a thick-skirted deck, 8 to 9 mph and a 7-gallon tank for much less than a Lazer Z. Pages disagree on a few details, so check…
Read the full review