Model 321D Legendary 3-cylinder diesel fuel efficiency. 20.9 hp, 3-cylinder, liquid-cooled Kubota diesel engine Turf Tires 52-inch (132.08 cm) DuraMax® deck Implements including Dethatcher, Shielded Sprayer and Sunshade Canopy. Accepts Model 8F/M1, Model 12F/M1 and Model 16 PowerVac™ collection systems. Model 325D MaxTorque™ diesel for reserve power 25hp, 3-cylinder, liquid-cooled Kubota diesel engine 61-inch (154.94 cm) or 72-inch (182.88 cm) DuraMax® deck Implements including Dethatcher, Shielded Sprayer and Sunshade Canopy. Accepts Model 8F/M1 and Model 16 PowerVac™ collection systems. Model 329 Powerful 3-cylinder performance. 29 hp 3-cylinder, liquid-cooled Kubota gasoline engine 61-inch (154.94 cm) or 72-inch (182.88 cm) DuraMax® deck Turf Tires Implements including Dethatcher, Shielded Sprayer and Sunshade Canopy. Accepts Model 8F/M1, Model 12F/M1 and Model 16 PowerVac™ collection systems.   Model 329B Maximum horsepower. Air-cooled efficiency. 29 hp, 2-cylinder air-cooled Briggs & Stratton Vanguard Big Block gasoline engine Turf Tires 52-inch (132.08 cm) or 61-inch (154.94 cm) DuraMax® deck Implements including Dethatcher, Shielded Sprayer and Sunshade Canopy. Accepts Model 8F/M1, Model 12F/M1 and Model 16 PowerVac™ collection systems.   Model 335 Maximum horsepower. Air-cooled efficiency. 35 hp, 2-cylinder air-cooled Briggs & Stratton Vanguard Big Block gasoline engine Turf Tires 61-inch (154.94 cm) or 72-inch (182.88 cm) DuraMax® deck Implements including Dethatcher, Shielded Sprayer and Sunshade Canopy. Accepts Model 8F/M1, Model 12F/M1 and Model 16 PowerVac™ collection systems.