ST Star Tube for PTO Drive Shaft | High Torque Special Shaped Steel Pipe for Agricultural Machinery
The ST Star Tube for PTO Drive Shaft is a core special shaped steel pipe used in power transmission systems. With its unique star-shaped cross-section, it provides excellent torque capacity, strong resistance to torsion, and precise power transmission performance.
It is widely used in agricultural machinery, forestry equipment, and construction machinery, making it an ideal choice for applications that require stable, efficient, and high-precision power transfer.

Material & Manufacturing Process
Common Materials:
- Carbon Steel Seamless Pipe
- 20# Seamless Steel Pipe
- 45# Machining Pipe
- Q355B Low Alloy Seamless Pipe
Manufacturing Process:
- Cold Drawn Special Shaped Pipe forming
- Precision sizing and straightening
- Optional bright surface or anti-corrosion treatment
Applications
The ST PTO star tube is widely applied in:
- Agricultural machinery (tractors, implements)
- Forestry machinery
- Construction and engineering equipment
- Industrial transmission systems
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