Here are the specifications for the 31Q7-10050 hydraulic pump:
Displacement: 100 cc/rev
Max pressure: 35 MPa (5075 psi)
Max speed: 2600 rpm
Max flow rate: 250 L/min (66 US gpm)
Weight: 64 kg (141 lbs)
Here are the specifications for the K3V112DT-1DFR-9N62 hydraulic pump:
Displacement: 112 cc/rev
Max pressure: 34.3 MPa (4965 psi)
Max speed: 2300 rpm
Max flow rate: 264 L/min (69.7 US gpm)
Weight: 92 kg (203 lbs)
And here are some specifications for the R250LC-9S excavator:
Operating weight: 25.2 t (55,556 lbs)
Engine power: 142 kW (190 hp)
Max digging depth: 7.67 m (25 ft 2 in)
Max reach at ground level: 11.51 m (37 ft 9 in)
Bucket capacity: 1.14-1.57 m³ (1.5-2.1 yd³)