Each Monster Jam truck is fitted with massive shock absorbers that offer approximately 24 inches (61 centimeters) of travel up front and 28 inches (71 centimeters) of travel in the rear. The shocks are built in-house and each weighs approximately 60 pounds (27 kilograms). A total of eight are attached to every truck, netting a total mass of almost 480 pounds (218 kilograms) in shocks alone.