Amsoil Tractor Hydraulic/Transmission Oil SAE 5W-30 5W30 - 1 US Quart - 0.94 L
SAE Viscosity: 5W30. While topping up the oil at that frequency may be annoying and possibly expensive, there is generally nothing to worry about. Lawn tractor hydrostatic transmissions. Landini – Tractor Hydraulic Fluid.