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Oil Cylinder
Introduce:
We can produce various kinds of construction machinery cylinders. The specifications and types can meet the requirements of over 70 kinds of excavators such as KOMATSU, KOBELCO, HITACHI, KATO, SUMITOMO, CAT, etc. and over 20 kinds of bulldozers like KOMATSU, CAT. In addition, we can design and produce hydraulic cylinders according to customers' requirements. The cylinder liners are made of cold drawn seamless steel tubes with strong honing technique. The cylinder length can reach up to 3 m with diameters from f40 to f400. The piston rods are made of chrome steel with special heat treatment. The unionizing technique is applied to the surface, which makes it high in smooth finish with tough inside and hard outside. The piston rods' diameters are from f5 to f140, equipped with quality NOK seals. The quality of our cylinders is guaranteed by the test of high-pressure test bed.
 

Dimensions and Specifications of General Excavators Hydraulic Cylinders 

Cylinder Diameter (mm)
Outside Diameter (mm)
Piston Rod Diameter (mm)
Normal Pressure (Mpa)
Max. Pressure (Mpa)
f90
f105
f60
28
31.5
f95
f110
f65
28
31.5
f100
f120
f65
28
31.5
f105
f125
f70
28
31.5
f110
f130
f70
28
31.5
f115
f140
f75
28
31.5
f120
f140
f80
28
31.5
f125
f145
f85
28
31.5
f130
f152
f90
28
31.5
f135
f160
f95
28
31.5
f140
f165
f100
28
31.5
f145
f170
f100
28
31.5
f150
f175
f105
28
31.5
f160
f194
f110
28
31.5
f165
f200
f110
28
31.5
f170
f205
f110
28
31.5
f175
f210
f120
28
31.5
f180
f225
f120
28
31.5
f185
f225
f130
28
31.5