This viscous coupling is an original part that controls the engagement speed of the engine cooling fan. It sits on the fan drive hub and uses a silicone fluid to transmit torque; as the fluid temperature rises, the coupling locks progressively, matching fan speed to cooling demand. A failed coupling either freezes solid, causing constant high fan noise and parasitic power loss, or slips permanently, leading to insufficient airflow and elevated coolant temperatures. The original part is machined to the same fluid-fill volume and shear gap as the factory assembly, which ensures the fan engages at the correct temperature threshold. On replacement, verify the mounting bolts are torqued to specification and that the fan blade rotates freely by hand before startup.
AGCO Corporation is a global leader in the design, manufacture, and distribution of agricultural machinery and precision ag technology. Founded in 1990 and headquartered in Duluth, Georgia, USA, AGCO has grown through strategic acquisitions to become a major force in the agricultural equipment industry. The company operates a portfolio of well-known brands, serving farmers worldwide.
AGCO's extensive product range includes tractors, combines, hay tools, sprayers, forage equipment, and implements. Its brands are recognized for innovation and reliability, with popular series such as the Fendt Vario tractors, Massey Ferguson Global Series, and Valtra T Series. The company is committed to developing advanced agricultural solutions that enhance productivity and sustainability for modern farming operations.
Partao offers a wide selection of AGCO spare parts, including Fuel Caps, Other Harvesting Parts, O-Rings, Other Axles and Steering Parts, and Other Cab, Body & Steering Parts. These components are crucial for maintaining the performance and longevity of AGCO machinery. Over 810,239 genuine AGCO spare parts are available at Partao.
Farmers and agricultural businesses globally rely on AGCO's diverse product offerings for their operations, from small-scale farms to large commercial enterprises. The company's strong dealer network ensures readily available parts and service, supporting the continuous operation of its machinery in various agricultural settings, including row-crop farming, livestock operations, and specialty crop production.
