The RD-180 is a kerosene-fueled two-thrust chamber, liquid-propellant rocket engine. It provides an environmentally clean, reusable operation. The nominal thrust at sea level is 860,200 lbs., and it has a length of 140 in. and diameter of 118 in.
Pratt & Whitney, 400 Main St., East Hartford, CT 06108. Phone: 860-565-4321.