Where to fill hydraulic oil on a masey Ferguson 6290?

To fill hydraulic oil on a Massey Ferguson 6290, locate the hydraulic reservoir, typically found near the rear of the tractor. Remove the fill cap or plug, and use a funnel to add the appropriate hydraulic oil, ensuring you check the oil level with the dipstick if equipped. Always refer to the operator's manual for the correct type and specifications of hydraulic oil for your specific model.