Will a Polaris ranger engine fit in a Kawasaki mule?

A Polaris Ranger engine will not directly fit into a Kawasaki Mule due to differences in design, mounting points, and electrical systems. Each brand's engine is specifically engineered to work with its chassis and components, making cross-fitting engines a complex task. Modifications would be necessary, and even then, compatibility issues could arise. It's generally recommended to use engines specifically designed for the vehicle in question.