Merlin 1г—1 〈2027〉

: Drives both the LOX and RP-1 impellers. It also provides high-pressure fuel for hydraulic actuators , eliminating separate hydraulic systems.

: The first to feature a regeneratively cooled nozzle and combustion chamber. It powered the first privately developed rocket to reach orbit (Falcon 1 Flight 4) and early Falcon 9 flights. Merlin 1Г—1

: One center Merlin engine is fired during the final landing burn to enable first-stage vertical landings. : Drives both the LOX and RP-1 impellers

: Based on the Apollo Lunar Module landing engine, this provides excellent stability and allows for deep throttling. Merlin 1Г—1