Hi
SAP offers a synchronisation between Assets and Equipment
http://help.sap.com/saphelp_46c/helpdata/en/4f/71db54448011d189f00000e81ddfac/content.htm
http://scn.sap.com/thread/1405347
This is done via Workflow: Check Workflow WS00400034 WS03100072 or others. via transaction swdd.
thanks
Stephan