Genesis GXP 660 MAXX and GXP 990 MAXX shears are billed as providing power generally found in a shear one to two sizes larger. The shears are designed for use on excavators in 70,000-pound class and 100,000-pound class, respectively. Models also feature the company's bolt-on piercing tip; dual guide blades; and four identical, four-way indexable blades to minimize maintenance-related downtime.