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