Identifying Carrier Heat Pump Tonnage

Anyone familiar with Carrier heat Pumps that can help identify the tonnage. Is the first one 4 ton and the second one 8 ton? These are commercial units.

Model number 50tfq 004—511
Serial number 0902G50385

Model number 50tfq 008—511
Serial number 1002G50545


3 and 7-1/2

See This(PDF) pg 4

Thank you Mike, just what I needed.