This heavy-duty throttle motor assembly is designed specifically for excavator applications, including EX200-5, ZAX130, ZAX200, ZAX330, and ZAX450 models. The step motor features robust construction with a durable aluminum housing and precise control mechanisms for smooth operation. Built with professional-grade components, this motor assembly includes integrated wiring harnesses with secure connectors for reliable electrical connection. The unit's compact design allows for straightforward installation while maintaining the performance requirements of heavy equipment. This replacement motor is engineered to deliver consistent throttle response and reliable operation in demanding construction environments. Compatible with multiple model numbers including KP56RM2G-019 and KP56RM2G-007, this motor assembly is an essential component for maintaining optimal equipment performance.