Did some digging on Wikipedia.<p>Saturn V used 5x1 Rocketdyne F-1 at 1,746k pounds of thrust each. Made in the USA. <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Rocketdyne_F-1" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Rocketdyne_F-1</a><p>Soyuz uses the 5x4 RD-107 engine at 229k pounds of thrust each. Made in Russia. <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;RD-107" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;RD-107</a><p>Falcon Heavy uses 9x3 of the Merlin 1D engines at 185k pounds of thrust each. Made in the USA. <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Merlin_(rocket_engine_family)#Merlin_1D" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Merlin_(rocket_engine_family)#...</a><p>Boeing Space Launch System uses two solid rocket boosters and 4x1 RS-25D&#x2F;E engines (the same ones the Space Shuttle used) at 512k pounds of thrust each. Made in the USA. <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Space_Shuttle_main_engine" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Space_Shuttle_main_engine</a>