Straw Chopper Blades
Heat-treated swinging and counter-knives for the straw-chopper unit at the rear of the combine harvester. Designed to chop and spread straw evenly behind the machine, and to last a full season in wheat, paddy and pulse-crop residues.
Custom manufacturing
We manufacture this product in any shape, any design and any size to customer drawing or sample. Carbide-tipped, laser-clad and hard-faced variants available on request.
Technical Specification
- Material
- EN42J / Boron steel / Cold-rolled steel
- Tipping
- Tungsten carbide / laser cladding
- Hardness
- 48 – 52 HRC
- Process
- Stamped / laser-cut, heat-treated, ground edge
- Thickness
- 4 – 6 mm
- Edge
- Plain · Serrated · Counter-knife — to drawing
- Mounting
- Swing-pin, bolt-on or shackle — OEM matched
Typical Applications & Fitments
- Rear straw-chopper rotor on combine harvesters
- Counter-knife banks (stationary chopper knives)
- Standalone tractor-mounted straw choppers
Other Product Families
Combine Harvester Blades
Finger blades, knife sections, FR / RR teeth, full RR teeth and bolt-fit variants.
View specifications
Straw Walker Shafts
Crankshafts and straw-walker drive shafts in EN8D, machined and dynamically balanced.
View specifications
Combine Sieves & Chaffers
Upper sieves, lower sieves and pre-cleaner chaffers — louvred, woven and adjustable.
View specificationsLet's discuss your requirement.
Send us your drawing, OEM part number or simply a clear photograph of the part you need, and we will revert with a sample, lead time and FOB price.