Aeroflot's first western equipment were the A310-300s which were aquired in the early 1990s after some complex negotiations. The aircraft were a mixture of new and second hand aircraft, the latter coming from Pan Am/Delta and Diamond Sakha.
Next came the 767-300 (I think) which then left the fleet when the 777-200 arrived. The airline has 2 777-200s powered by the GE90 engines.
Recently some new 767-300s were ordered which have since been taken delivery of.
Aeroflot also had (I don't know if it still has it) a single DC-10-30F to operate cargo flights.
The 737-400s were only delivered fairly recently, in the last couple of years. Are there 10 of them?
You can check all the current Aeroflot fleet at:
Just click on the appropriate aircraft type!
Glad to be of help