Kohler 18 HP Courage Vertical Engine. Kohler engines deliver even more power for consumer applications in the lawn and garden market. Courage single cylinder, vertical shaft, OHV engines are made to last. Provides the power more professionals demand and feature easier starting and maintenance along with quieter operation. Key features: Large displacement engine with more power that enables more work to be done. Modulated cooling fan reduces engine noise and improves cooling. Easy, quick starting. Maintenance points allow the consumer to easily check oil and air filter. Common applications: Garden tractors, lawn tractors, rear engine riders and consumer zero turn radius. U.S.A.