Semi lloating axle bearing. Synchronizer. Dog clutch collar. Constarnt meshh. Prop shaft. Cross joint. Cv joint. Sliding mesh. Epicyclic gear. Epicyclic gear. Double helical gear. Doulbe helical. Helical gear. Helical gear. Spur gear. Spur gear. Stright bevel final drive. Spiral bevel final drive. Differential unit with final drive. Hypoid final drive. Worn wheel final drive. Clutch componats. Explane clutch. Clutch faults. Two types of clutch plates. Clutch springs types. Types of clutchers. Plate clutch. Drive Layouts. 4 wheel drive.