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Zhejiang Changheng Machinery Co., Ltd was established in 1995, 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 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 | 1.01.01 | 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 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 doesnt 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 several types of quick release yokes and plain bore yoke. 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.
U-joint of PTO shafts for Agricultural tractors