High performance implement wear member

A wear member for an earth-working implement, the wear member comprising:

• a body having front, rear, top, bottom, inner side and outer side portions, wherein a cutting edge is defined along at least a portion of a bottom interface between the front portion and the bottom portion;
• a contoured upper front surface defined on the front portion, the contoured upper front surface extending between:
• a top edge disposed along a top interface between the front portion and the top portion,
• an outer side edge disposed along an outer side interface between the front portion and the outer side portion,
• a ridge disposed on the front portion, and
• a spearhead edge disposed along the bottom interface between the outer side portion and the cutting edge;
• a bottom surface defined on the bottom portion of the body, the bottom surface extending between:
• the spearhead edge;
• the cutting edge;
• an outer bottom edge disposed along an outer bottom interface between the bottom portion and the outer side portion;
• a rear bottom edge disposed along a rear bottom interface between the rear portion and the bottom portion;
• and
• an inner bottom edge disposed along an inner bottom interface between the bottom portion and the inner side portion
• wherein the contoured upper front surface has a generally concave shape, and wherein a spearhead edge angle, measured between the contoured upper front surface and the bottom surface with respect to the spearhead edge, is less than about 90 degrees.

A wear member system for an earth-working implement, the wear member system comprising:

• at least one end cutting-bit adapted to be mounted to a mounting edge of an earth-working blade, the mounting edge defined between a first blade end and a second blade end, wherein the at least one end cutting-bit comprises:
• a body having front, rear, top, bottom, inner side and outer side portions, wherein a cutting edge is defined along at least a portion of a bottom interface between the front portion and the bottom portion;
• a contoured upper front surface defined on the front portion, the contoured upper front surface extending between:
• a top edge disposed along a top interface between the front portion and the top portion,
• an outer side edge disposed along an outer side interface between the front portion and the outer side portion,
• a ridge disposed on the front portion, and
• a spearhead edge disposed along the bottom interface between the outer side portion and the cutting edge;
• and
• a contoured lower front surface formed on the front portion of the body adjacent the contoured upper front surface, the contoured lower front surface defined between an inner side edge, which is disposed along an inner side interface between the front portion and the inner side portion, the cutting edge, and the ridge;
• and
• at least one intermediate cutting-edge adapted to be mounted along the mounting edge of the earth-working blade between the first blade end and the second blade end.