Champion Power Transmission Fluids are specifically designed to protect powershift and hydrostatic transmissions in heavy duty equipment where a high friction fluid is necessary for proper clutch performance. High quality base oils and additives provide gear and clutch protection even in the most demanding conditions. Champion Power Transmission Fluids oils meet Caterpillar TO-4 and earlier specifications and is also recommended for powershift transmissions in other vocational equipment from manufacturers such as Kubota, Komatsu, Hitachi and more. Part# 4311D 5 Gal. Part# 4311AN 55 Gal.