Statistic Texas Giant New Texas Giant Years 1990–2009 2011–present Manufacturer Dinn Corporation Rocky Mountain Construction Designer Curtis D. Summers Alan Schilke Track Wood Steel Height 143 ft or 44 m 153 ft or 47 m Drop 137 ft or 42 m 147 ft or 45 m Length 4,920 ft or 1,500 m 4,200 ft or 1,300 m Speed 62 mph or 100 km/h 65 mph or 105 km/h Max vertical angle 53° 79° Trains Philadelphia Toboggan Coasters (PTC) Gerstlauer