The 2P77F-HD Engine is a commercial-grade powerplant engineered for high-performance turf equipment, delivering 3600 RPM and a 24.5 cubic inches displacement. Designed for use in Exmark and Toro zero-turn mowers, this OEM engine offers the durability, reliability, and serviceability demanded by landscaping professionals. Built to withstand tough mowing conditions, it features a heavy-duty design, long service life, and 49-state emissions compliance for environmentally responsible operation. Compatible with Exmark Radius S-Series or the Toro Titan HD, this engine delivers consistent performance and lasting use.