2014 Terex RT670 Rough Terrain crane for sale or rent. Located in St. Louis, Missouri, this 70-ton rough terrain crane is in excellent condition and ready to ship! This used rough terrain crane has 111-feet of main boom with 33 to 57-feet of jib. The RT670 also has two drums, a 70-ton block, a hook ball, and heat and air conditioning for operator comfort.