The six engines were General Electric YJ93-GE-3 turbojet, which ran on JP-6 jet fuel. Each engine produced 28,000 pounds of thrust with the afterburners engaged and 19,900 pounds of thrust without ...

The new bomber never replaced the B-52. But the XB-70 was an impressive machine. Capable of achieving Mach three-plus speeds and a 70,000-foot ceiling, the XB-70 featured six engines.