John deere f525 oil type. I have the same engine in a John Deere 185. There is no seperate reservoir for the transmission. These units have either gasoline or diesel engines. Your mowers engine and transmission are one big unit. Other oils may be used if they meet the following: John Deere Standard JDM J20C. Use type F Automatic Transmission Fluid or John Deere All-Weather Hydrostatic Fluid. Oil 21” JS20, JS25, JS30, JS35, JS40, JS45, JS26, JS36, JS46, JS60, JS60H, JS61, JS63, JS28, JS38, JS48 21” JA60, JA62, JA65 MIF Use oil viscosity based on the expected air temperature range during the period between oil changes. Use oil viscosity based on the expected air temperature range during the period between oil changes. So when you change your engine oil, you are also changing the hydraulic oil. The John Deere F525 Specification: Production, Power, Mechanical, Hydraulics, Tractor Hitch, Power Take-off (PTO), Electrical, Engine, Transmission, Dimensions. 7fes vywc mxq9ql yo1yzowo emlif hwmad35g wuvas6 4bwb upyw kecr