Abstract: Rubber crawler traveling equipment (1) capable of reducing the weight and cost of a rubber crawler, and commonizing a light-speed traveling to a traveling according to a tire specification and a traveling to a traveling according to a crawler specification, wherein core members (5) formed of plastic material are embedded in a rubber crawler (2) instead of metallic core members embedded in a conventional rubber crawler and the rubber crawler (2) is suspendedly installed on tires (3, 4), whereby the rubber crawler (2) can be easily attached and detached and the extension thereof can also be adjusted by regulating the internal pressure of the hollow tire (3).