Zhejiang Changheng Machinery Co., Ltd was established in 1995, is one of the best manufacturers of PTO SHAFTS for farm machinery and agricultural tractors in China. We provide more than 8 sizes of PTO shafts. There is also a full range of safety devices for agricultural applications. We have CE Certificate to assure the quality. Our products are 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 are the tips how to order your PTO shafts:
1. Power or torque related to alternating load you require.
Power-rating
size 540 r.p.m. 1000 r.p.m.
torque [Nm] power [CV] torque [Nm] power [CV]
series 1 210 16 170 24
series 2 280 21 230 32
series 3 400 30 320 45
series 4 460 35 380 53
series 5 620 47 500 70
series 6 830 64 690 98
series 7 980 75 800 113
series 8 1240 95 1000 140
2.Cross journal(Universal joint) size which decides torque of a PTO Shaft:
Cross journal  size Ref. A              mm B             mm
Series 1 1.01 54 22
Series 2 2.01 61.3 23.8
Series 3 3.01 70 27
Series 4 4.01 74.6 27
Series 5 5.01 80 30.2
Series 32 32.01 76 32
Series 6 6.01 92 30.2
Series 7N 7N.01 94 35
Series 7 7.01 106.5 30.2
Series 8 8.01 106.5 35
3 Closed overall length (or cross to cross) of a PTO shaft.
4 Tubes or Pipes
We've already got Triangular profile tube and Lemon profile tube for all the series we provide.
And we have some star tube, splined tube and other profile tubes required by our customers (for a certain series). (Please notice that our catalog doesn't contain all the items we produce)
If you want tubes other than triangular or lemon, please provide drawings or pictures.
5 End yokes
We've got 13 types of splined yokes and 8 types of plain bore yokes. I will suggest the usual type for your reference.
You can also send drawings or pictures to us if you cannot find your item in our catalog.
6 Safety devices or clutches
I 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 overrunning couplers(adapters) (FAS).
7 For any other more special requirements with plastic guard, connection method, color of painting, package, etc., please feel free to let me know.
Following are the tips how to order your PTO shafts:
1. Power or torque related to alternating load you require.
Power-rating
size 540 r.p.m. 1000 r.p.m.
torque [Nm] power [CV] torque [Nm] power [CV]
series 1 210 16 170 24
series 2 280 21 230 32
series 3 400 30 320 45
series 4 460 35 380 53
series 5 620 47 500 70
series 6 830 64 690 98
series 7 980 75 800 113
series 8 1240 95 1000 140
2.Cross journal(Universal joint) size which decides torque of a PTO Shaft:
Cross journal  size Ref. A              mm B             mm
Series 1 1.01 54 22
Series 2 2.01 61.3 23.8
Series 3 3.01 70 27
Series 4 4.01 74.6 27
Series 5 5.01 80 30.2
Series 32 32.01 76 32
Series 6 6.01 92 30.2
Series 7N 7N.01 94 35
Series 7 7.01 106.5 30.2
Series 8 8.01 106.5 35
3 Closed overall length (or cross to cross) of a PTO shaft.
4 Tubes or Pipes
We've already got Triangular profile tube and Lemon profile tube for all the series we provide.
And we have some star tube, splined tube and other profile tubes required by our customers (for a certain series). (Please notice that our catalog doesn't contain all the items we produce)
If you want tubes other than triangular or lemon, please provide drawings or pictures.
5 End yokes
We've got 13 types of splined yokes and 8 types of plain bore yokes. I will suggest the usual type for your reference.
You can also send drawings or pictures to us if you cannot find your item in our catalog.
6 Safety devices or clutches
I 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 overrunning couplers(adapters) (FAS).
7 For any other more special requirements with plastic guard, connection method, color of painting, package, etc., please feel free to let me know.
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