A multi-purpose oil, used for hydraulic and mechanical transmissions in construction machinery, specially formulated to satisfy the Volvo Construction Equipment specification WB 102. Formulated with non-conventional bases, which give it a high viscosity index to prevent both excessive viscosity when cold, which would cause a loss of power or defective greasing, and excessive fluidity when hot, which would lead to gear teeth wear. Its additive system ensures very good lubrication of gears and hydraulic controls, and also that immersed brakes work properly without chattering.