Note: Toro will not assume responsibility fordamage caused by improper substitutions, so useonly products from reputable manufacturers whowill stand behind their recommendation.High Viscosity Index/Low Pour Point Anti-wearHydraulic Fluid, ISO VG 46Material Properties:Viscosity, ASTM D445 cSt @ 40°C 55 to 62cSt @ 100°C 9.1 to 9.8Viscosity Index ASTMD2270140 to 152Pour Point, ASTM D97 -35°F to -46°FIndustry Specications:API GL-4, AGCO Poweruid 821 XL, FordNew Holland FNHA-2-C-201.00, Kubota UDT,John Deere J20C, Vickers 35VQ25 and VolvoWB-101/BMNote: Many hydraulic fluids are almost colorless,making it difficult to spot leaks. A red dye additivefor the hydraulic system oil is available in 2/3 oz.(20 ml) bottles. One bottle is sufficient for 4-6 gal(15-22 1) of hydraulic oil. Order part no. 44-2500from your authorized Toro distributor.1. Position the machine on a level surface, lowerthe cutting units, and stop the engine.2. Clean the area around the filler neck and capof the hydraulic tank (Figure 28).Figure 281. Hydraulic tank cap3. Remove the cap from the filler neck.4. Remove the dipstick from the filler neck andwipe it with a clean rag.5. Insert the dipstick into the filler neck; thenremove it and check the fluid level.The fluid level should be within 1/4 inch (6mm) of the mark on the dipstick.6. If the level is low, add the appropriate fluid toraise the level to the full mark.7. Install the dipstick and cap onto the filler neck.Checking the Rear AxleLubricantNote: This procedure is for Model 03544 only.The rear axle of Model 03544 has three separatereservoirs which use SAE 80W-90 weight gearlube. Although the axle is shipped with lubricantfrom the factory, check the level before operatingthe machine.1. Position the machine on a level surface.2. Remove the 3 check plugs from axle (Figure 29and Figure 30) and make sure lubricant is up tobottom of each hole.Figure 291. Check plug 2. Fill plugFigure 301. Left check plug (rear of the axle)3. If the level is low, remove the center fill plugand add enough lubricant to bring the level upto the bottom of the center check plug hole.29