Here are the specifications for the K3SP36B-101R-2001 hydraulic pump:
Displacement: 36 cc/rev
Max pressure: 34.3 MPa (4965 psi)
Max speed: 2600 rpm
Max flow rate: 90 L/min (23.8 US gpm)
Weight: 36 kg (79 lbs)
Here are the specifications for the YT10V00002F2 hydraulic pump:
Displacement: 13 cc/rev
Max pressure: 21 MPa (3046 psi)
Max speed: 2700 rpm
Max flow rate: 36 L/min (9.5 US gpm)
Weight: 8.5 kg (18.7 lbs)
And here are some specifications for the SK80SR and SK60 excavators:
SK80SR:
Operating weight: 8.3-8.6 t (18,300-19,000 lbs)
Engine power: 47.4 kW (63.6 hp)
Max digging depth: 4.61 m (15 ft 1 in)
Max reach at ground level: 7.37 m (24 ft 2 in)
Bucket capacity: 0.18-0.32 m³ (0.24-0.42 yd³)
SK60:
Operating weight: 6.2 t (13,700 lbs)
Engine power: 39.8 kW (53.4 hp)
Max digging depth: 3.73 m (12 ft 3 in)
Max reach at ground level: 6.39 m (20 ft 11 in)
Bucket capacity: 0.09-0.24 m³ (0.12-0.31 yd³)