Condensing Temperature

Goodman in their model CKF48-5 use Copeland CR47 compressor. The rating of the compressor in its catalog shows the capacity is about 39,000 BTU in 50 Hz on R22.
But Goodman's catalog shows that the capacity with the same condition is about 43,000 BTU. How they achieve the higher capacity?
By using bigger condenser and using higher condensing temperature is it possible

The said compressor rated at ARI HBP condition (45/130/115/65 F). If the system operating higher evaporating or low condensing temperature then It is possble. You can check system pressures and compare with compressor performance chart.

Regards,
Sendhil