TUBE 2798988 - Caterpillar

Illustration 1. Locations of the four equally spaced oil drain holes. (B) 556.0 mm (21.89 in) Diameter - This is the diameter at which four holes (E) are drilled to intercept four holes (D). (C) 470.0 mm (18.50 in) Diameter - This is the diameter at which four holes (F) are drilled to intercept four holes (D).
Illustration 2. (View A-A). 1H-0974 Dowel (1). Dimensions for the four oil drain holes: (D) 11.0 mm (.43 in) Diameter, 85.0 mm (3.35 in) Deep; 12.50 0.13 mm (.492 .005 in) Diameter; 14.0 mm (.55 in) Deep; Four equally spaced holes. (E) 11.0 mm (.43 in) Diameter, 62.0 mm (2.44 in) Deep; Four holes. (F) 12.0 mm (.47 in) Diameter, 12.0 mm (.47 in) Deep; Four holes. (G) 89.41 0.25 mm (3.520 .010 in) Dimension for locating four equally spaced holes (D)