A T3/60-1 is a T3/T04S hybrid turbo --> T3 turbine + T04S (60-1) compressor

A 60 trim is A T3/T04E is a T3/T04E hybrid turbo --> T3 turbine + T04E compressor

Both are compressors however the 60-1 is larger and flows more air. It is harder to spool over a to4E 60 trim.