The CaseIH STX500 is a four-wheel drive tractor produced from 2004 to 2006 as part of the Steiger STX Series. It features a powerful Cummins QSX 15 turbocharged aftercooled diesel engine with 500 hp, a 16-speed full power shift transmission, and advanced hydraulics. Built in Fargo, North Dakota, USA, it is designed for heavy-duty farming applications with a robust mechanical setup including compound planetary final drives and a Surveyor Cab. The tractor offers a large fuel tank capacity and optional PTO configurations, making it versatile for various agricultural tasks.