Description features: 
Zhejiang Changheng Machinery Co., Ltd. is one of the best manufacturers of PTO SHAFTS for farm machines and agricultural tractors in China. We have CE Certificate to assure the quality. 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 tips how to order your pto shafts:1. power or torque required  & number of r.p.m .
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        353 Closed overall length of a PTO shaft.You can decide how long the pto shaft you want. I can only suggest the length main of our customers ordered. 4 Tubes or PipesWe've already got triangular profile tube and lemon profile tube for all the series we provide. And we have some star tube, spline tube and other profile tubes required by our customers but not for all the series. If you want tubes other than triangular tube or lemon tube, please provide drawings or detailed specification. 5 End yokesWe've got plain bore yoke and quick release yokes of several types. I will suggest the usual type for your reference.But if you want the other types in our catalog, please let me know. You can also send drawings or pictures to us if you cannot find your item in our catalog. 6 Safety devices or clutchesI will attach the details of safety devices for your reference. We've already have Free wheel (RA), Ratchet torque limiter(SA), Shear bolt torque limiter(SB), 3types of friction torque limiter (FF,FFS,FCS) and other overrunning couplers(adapters) (FAS).  7 For other more special requirements about plastic guard, connection method, color of painting, package, etc., just tell me.