HYDRAULIC SYSTEM |
Model | Negative flow + cross power control system |
Main pump | - |
Model | Piston pump |
Max.flow | 265× 2L /min |
Hydraulic motor | - |
Propel hydraulic motor | Two axial-piston motors |
Swing hydraulic motor | Axial-piston motors |
Safety valve | 36.5MPa |
Boom, arm and bucket circuit | 34.3Mpa |
Propel circuit | 34.3MPa |
Swing circuit | 27.5MPa |
Control circuit | 3.9MPa |
Cylinders | - |
No.of Cylinders-bore×stroke×diameter of piston-rod | - |
Boom | 2- Φ 140mm × 1470mm ×Φ 100mm |
Arm | 1- Φ 170mm × 1755mm ×Φ 120mm |
Bucket | 1- Φ 140mm × 1150mm ×Φ 100mm |