(1) 30 NK-33 LOX/kerosene engines; 10.1 million lb. total thrust.
(2) 8 NK-43 LOX/kerosene engines; 3.1 million lb. total thrust.
(3) 4 NK-39 engines; 360,800 lb. total thrust.
(4) 1 NK-31 engine; 90,200 lb. thrust; trans-lunar boost stage.
(5) 1 engine; 19,200 lb. thrust; lunar orbit insertion & initial lunar descent stage.