Machine Capacity
C/B Series 300 Litres
A/K Series 390 Litres
Mini 255 Litres

Countax powered grass collectors (PGC), generally have a capacity of 300 litres across the range. 

The exceptions to this are the Mini, which has a capacity of 255 litres, and the Countax A Series and K18/50 which both have a capacity of 390 litres.