Machine description: Anti Two-Block, Detroit V6 Diesel Engine, 29 ft Minimum 92 ft Maximum Boom Length, 114 ft to 135 ft Swingaway Jib, Johnson 2 Sheave Hook Block, Titan, Goodyear 26.5/25 Tires LOCATED-IN-SALT-LAKE-CITY-... more info about the 1973 Grove RT635.