Engine Model: L6H. Propellants: Lox/LH2. Thrust(vac): 122,748.000 kN (27,594,848 lbf). Isp: 439 sec. Isp (sea level): 382 sec. Burn time: 388 sec. Chambers: 1. Country: USA. Status: Study 1963. Operational date would have been June 1976. Used in booster stage (engines only).
L6H used on Rocket Stages