Lubrication of Walking Tractors: Crankcases, gearboxes, and coulter gearboxes typically use Class CC diesel engine oil. Viscosity The 10W or 20W grades are used during the winter (October to March) in the area north of the Yangtze River, and grade 30 is used during the summer (April to September). In the south (south of the Yangtze River), 20W grades can be used in winter and grade 30 in summer. 10W/30 universal oil can also be used throughout the country. The gearbox uses 75W vehicle gear oil (GL-3 or GL-4) in winter and grade 90 in summer. 75W/90 universal vehicle gear oil for winter and summer can also be used. For each bearing, screw, oil seal, etc., use can be made of 2 or 3 calcium base grease or synthetic calcium base grease.
Lubrication of wheeled tractors: The engine uses CC or CD (supercharged) grade diesel engine oil. Viscosity is 20W grade for the northern winter and 30 grade for the summer; 25W and 30 grades for the south, or 10W/30 multi-grade diesel engine oil for the whole year.
Lubrication of track-type tractors: CC or CD (supercharged) diesel engine oils for crankcases, governors, roller bearings, belt pulleys and guide wheel bearings. Viscosity is 10W grade for the northern winter, 30 grade for the summer, 20W and 30 grades for the south, or 15W/30 multi-grade diesel engine oil for the whole year. Gearbox, Rear Axle Gear One boat applies GL-3 or GL-4, GL-5 (Hypoid Gear) vehicle gear oil. Viscosity is 75W or 80W grade for winter in the north, 90th in summer, 75W or 80W in winter, or 80W/90 multi-grade gear oil.
Clutch bearings, reducer drive shaft front bearings, brake lever shafts, tensioning wheels, bushings and other lubrication points use No. 2 or No. 3 calcium-based or composite calcium-based grease, or general-purpose lithium-based grease. Generators, magneto motors use No. 2 or No. 3 lithium base, sodium base or complex calcium base grease.
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