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Right engine frame. Crankshaft disk rotates within the circular cavity where the plywood block protects the opening for the bronze crankshaft bearing. Both the left and right engine frames of this locomotive have been repaired by brazing, hence the butter-colored stripe running almost to the very top of the casting. This failure likely is the result of a design deficiency. Note missing head on the tapered bolt located middle bottom row. Photo by Chad Thompson.