Dual-function product. Smaller chance of misapplication. Will not crowd your workshop. Helps to reduce squawk and clatter in wet brake systems. Contains additives to protect against wear. Fights rust and corrosion PENRITE TRACTOR TRANSMISSION & HYDRAULIC FLUID TTH020 SPECIFICATIONS Volume: 20L Colour: Amber SAE Grade: 10W-30/75W-80 Density at 15C, kg/L: 0.880 Viscosity, Kinematic, cSt at 40C: 66 Viscosity, Kinematic, cSt at 100C: 10.8 Viscosity Index: 157 Cold Cranking Viscosity, cP at -20C: 3667 Viscosity, Broofield, cSt at -35C: 27,774 Viscosity, Broofield, cSt at -18C: 3100 Zinc, Mass %: 0.139 Bosch 30 Cycle Visc @ 100C, After Shear: 10.54