Marmon-Herrington’s Sisu 90,000-pound tandem-axle and 136,000-pound tridem-axle sets are double-reduction planetary drive axles suited for heavy-duty applications such as mining, heavy haul and oil and gas. The tandem axle offers a maximum gross combination weight rating of 400,000 pounds, while the tridem axle offers a maximum GCWR of 600,000 pounds.
Marmon-Herrington Technologies, Marmon-Herrington.com