Some versions of the R-36M were deployed with 10 warheads and up to 40 penetration aids and the missile's high throw-weight made it theoretically capable of carrying more warheads or penetration aids.
These initial weapons were replaced between 1979 and 1980 by the improved R-36MUTTH.
This weapon introduced lighter weight MIRV warheads, allowing for both an increase in range and an increase in payload, from 8 to 10 MIRVs.
