PSV2-55T:
This appears to be a model of hydraulic pump made by Kawasaki. Here are some general specifications:
Maximum pressure: 320 bar
Maximum flow rate: 235 L/min
Shaft speed: 900-1800 rpm
JS130 Excavator:
Operating weight: 13,200 kg
Engine power: 75 kW (101 hp)
Bucket capacity: 0.33-0.9 m³
Max digging depth: 6,590 mm
Max digging reach: 9,870 mm
SH120 Excavator:
Operating weight: 12,100 kg
Engine power: 73 kW (98 hp)
Bucket capacity: 0.3-0.75 m³
Max digging depth: 5,820 mm
Max digging reach: 8,860 mm