Product Description
        Zhejiang Changheng Machinery Co., Ltd. Is one of the best manufacturers of PTO SHAFTS for farm machinery and agricultural tractors in China. We have CE Certificate to assure the quality and Eurocardan bought yokes from us. Our products have been sold to America, Europe and all over the world. We have developed 8 series and many kinds of safety devices. We will supply best quality products in most reasonable price. If you have any interest, please feel free to contact us. 
Following is the specifications for our Agricultural PTO Shafts. 
1.
series      540 r.p.m.                    1000 r.p.m.
       torque [Nm]  power [CV]   torque [Nm] power [CV]
1          202           16               169                24
2          290           22                222               32
3          388           30                316               45
4          455           35                371               53
5           628          48                493               70
6           808          62                 692              98
7           972          75                 795              113
8           1197         92                 983             140
2.Cross journal specifications: 
Name           Ref.       A  [mm]     B [mm]
Series 1     1.01.01       54           22
Series 2     2.01.01       61.3        23.8
Series 3     3.01.01       70           27
Series 4     4.01.01        74.6        27
Series 5     5.01.01        80           30.2
Series 6     6.01.01        92           30.2
Series 7N   7N.01.01      94           35
Series 7     7.01.01        106.5       30.2
Series 8      8.01.01       106.5       35
3. Types of tube: Triangle profile tube, lemon profile tube, Star profile tube. 
4. End yokes & safety devices: Quick release yokes, plain bore yokes, free wheel(RA), friction type torque limiters(FF, FFS, FCS), ratchet type torque limiter(SA), shear bolt torque limiter(SB), etc        
                    
     
    
        Zhejiang Changheng Machinery Co., Ltd. was established in 1995, is a modern enterprise that combines development, design, manufacture, sale and service, and its products include all kinds of drive shaft for farm tractor and its accessories such as yokes and universal joints and other stainless steel valves and so on. We have formed our specialty production system: Forging, foundry, mechanism processing, and heat treatment. Our products have been sold as far as Europe, America and Middle East and all over the world. Our company has won high reputation among customers with its first grade quality and reasonable price.
Following the operation idea of: Quality first, credit first. Our company will grasp the current opportunity with aggressive and perseverant spirit to share a more magnificent future. Welcome old and new customers both at home and abroad to visit our factory.