Combine Rasp Bars
Product Overview
Combine Rasp Bars
Premium Combine Harvester Rasp Bars for Efficient Threshing Performance
Combine Rasp Bars are essential threshing components installed on the threshing cylinder or rotor of a combine harvester. Their primary function is to separate grain from stalks and crop material through impact and rubbing action during the threshing process. High-quality rasp bars improve grain separation efficiency, reduce grain damage, and maximize harvesting productivity.
At Dawopu, we manufacture high-performance combine harvester rasp bars using premium wear-resistant alloy steel and advanced casting or forging technologies. Our rasp bars are designed to deliver superior durability, excellent threshing performance, and long service life under demanding harvesting conditions.
What Are Combine Rasp Bars?
Rasp bars are mounted on the threshing cylinder or rotor inside a combine harvester. As crops enter the threshing system, the rasp bars strike and rub the crop material against concaves, separating grain from straw.
Main Functions
- Threshing grain from crop heads
- Improving grain separation efficiency
- Reducing grain loss
- Minimizing grain damage
- Supporting smooth crop flow
- Increasing harvesting productivity
Properly designed rasp bars are critical for achieving maximum combine performance and crop quality.
Suitable Machines
Dawopu Combine Rasp Bars are suitable for numerous combine harvester brands.
John Deere Combines
- 9500 Series
- 9600 Series
- 9650 Series
- 9660 Series
- S-Series Combines
- T-Series Combines
Case IH Combines
- Axial-Flow Series
- 140 Series
- 230 Series
- 250 Series
New Holland Combines
- CR Series
- CX Series
- TC Series
Claas Combines
- Lexion Series
- Tucano Series
- Dominator Series
Massey Ferguson Combines
- MF Activa Series
- MF Beta Series
- MF Delta Series
Other Compatible Brands
- Rostselmash
- Deutz-Fahr
- Fendt
- Kubota
- Yanmar
Why Choose Dawopu?
Dawopu specializes in manufacturing agricultural harvesting components, threshing system parts, transmission components, gears, shafts, and custom wear-resistant products.
Our Advantages
- OEM & ODM manufacturing
- Advanced casting and forging capabilities
- Precision CNC machining
- Strict quality control system
- Competitive factory pricing
- Fast worldwide delivery
- Professional engineering support
Technical Specifications
Technical Specifications
| Item | Specification |
|---|---|
| Product Type | Combine Rasp Bar |
| Application | Threshing Cylinder / Rotor |
| Manufacturing Process | Casting or Forging |
| Length Range | 250–1200 mm |
| Width Range | 40–120 mm |
| Thickness Range | 15–40 mm |
| Mounting Type | Bolt-On |
| Surface Hardness | HRC 45–60 |
Custom dimensions and configurations are available according to OEM drawings or customer samples.
Material Specifications
| Component | Material |
|---|---|
| Standard Grade | High-Chromium Cast Steel |
| Premium Grade | 30MnB5 Boron Steel |
| Alternative Material | 40Cr Alloy Steel |
| Heat Treatment | Quenched & Tempered |
| Surface Hardness | HRC 45–60 |
Why Choose Dawopu Group
OEM Quality
Manufactured to meet OEM specifications
Material Quality
High-grade materials for durability
Fast Delivery
Reliable shipping to global destinations
Certified Quality
ISO 9001:2025
Expert Support
Technical support available
Global Experience
Serving customers worldwide
Related Products
Frequently Asked Questions
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