John Deere 9RX 640

The John Deere 9RX 640 is a muscular and advanced tractor equipped with a John Deere JD14 engine. It is liquid-cooled and features a robust turbocharged aftercooled diesel 6-cylinder engine with a 24-valve configuration. With an engine displacement of 826.9 cubic inches and bore and stroke dimensions of 5.20x6.50 inches, this tractor exhibits considerable power and efficiency. The engine is capable of producing a rated power of 631.6 horsepower and an impressive 681.2 horsepower at its peak. It operates at a rated RPM of 2100 and provides a substantial torque output of 2179 lb-ft at 1550 RPM. The 9RX 640 includes a full power shift e18 transmission, offering 18 forward and 6 reverse gears. The physical dimensions are significant, with a length of 346.3 inches, a width of 30 inches, and a height at the cab of 146.3 inches. This robust tractor has an operating weight of 56320 pounds and is supported by a pressure/flow compensated hydraulic system. The closed center operation ensures efficient power delivery for a variety of heavy-duty tasks. With its formidable capabilities, the 9RX 640 stands as a testament to John Deere's reputation for manufacturing powerful and reliable agricultural machinery.