This HD Clutch is compatible with our Radiuse E-Series zero-turn mower. Designed to deliver professional-grade features at an affordable price, the new Exmark Radius E-Series zero-turn mower is a great option for landscape maintenance pros and users seeking professional performance. Powered by the Exmark twin-cylinder commercial engine, Radius E-Series models deliver superior operator comfort with an isolated footrest, seat suspension and a new side pod design (2023 models) that places vital controls right at the operator’s fingertips.