Anhui Huihuang Chain Transmission Co., Ltd. is one of the leading manufacturers and suppliers of custom non-standard harvester conveyor chain in China, featured by quality products and good service. If you're going to wholesale advanced custom non-standard harvester conveyor chain made in China, welcome to get pricelist and free sample from our factory. We also accept customized orders.
product description&Structure Analysis
Custom Non-Standard Agricultural Harvester Conveyor Chain (OEM/ODM Solutions)
Heavy-Duty Conveying Solutions Engineered for Corn, Grain, Rice & Sugarcane Harvesters
Are your huge harvest workloads causing typical agricultural chains to fail? HHChains is a reputable OEM harvester chain manufacturer that specializes in creating high-precision, custom pitch conveyor chains that are suited to your particular equipment requirements. Our unique chains provide maximum fatigue resistance, prolonged wear life, and minimal unplanned downtime in hard harvesting situations because they are engineered with specific attachment agriculture chains, premium alloy steel, and advanced heat treatment.
This heavy-duty, non-standard cross-bar conveyor chain was created specifically for combine harvesters. It is made up of two heavy-duty parallel chains joined by horizontal steel bars. extensively utilized in wheat, rice, and corn harvesters' grain elevator, grain unloading, and seed conveying systems. The chain assembly has a tensile strength of 150–200 KN and is made of high-strength carbon steel. It is built to survive hard muddy farm conditions, large loads, and constant vibration. To accommodate various harvester models and brands, all dimensions can be altered.
Dual Heavy-Duty Chain Strands Traction components are two synchronized heavy roller chains. For rough field operations, heat-treated pins and thickened link plates increase shock and tensile resistance. On request, the chain pitch can be altered.
Horizontal Steel Cross Bars To move crops and grains, steel bars are positioned between two chains. Bars are shielded from soil and moisture degradation by an anti-rust coating. Complete non-standard customization is supported by bar length, thickness, and spacing.
Bolted Detachable Structure Bolts are used to secure cross bars. Maintenance expenses can be significantly reduced by replacing worn bars individually rather than the entire chain.
Key Advantages
High tensile strength of 150–200 KN, low elongation under continuous heavy load
Strong shock resistance for harsh agricultural working conditions
Detachable cross bars for easy maintenance and low spare part cost
Anti-corrosion surface treatment adapts to humid and muddy farmland
Flexible non-standard customization for most mainstream combine harvesters
Stable dual-chain operation, minimizing grain leakage and material deviation
Customization Capabilities
| Customization Parameter | Available Options & Specifications | B2B Buyer Value |
| Pitch & Dimensions | Standard/Non-standard pitches, custom outer plate thickness, reinforced pin diameters | Perfectly matches non-standard OEM sprocket spacing and structural load requirements. |
| Special Attachments | K-1, M-1, A-1, bent attachment plates, extended pins, customized scraper flights | Optimized for specific crop handling (corn headers, grain elevators, sugarcane feeder beds). |
| Material Selection | 40Mn, 20CrMnTi, 40Cr alloy steel, 304/316 stainless steel | Ensures high tensile strength and superior impact resistance under shock loading conditions. |
| Heat Treatment | Carburizing, induction hardening, shot peening, whole-quenching | Enhances pin & bushing wear resistance by 35% compared to standard market chains. |
| Surface Protection | Zinc plating, Dacromet coating, black oxide, nickel-plated anti-corrosion finishes | Protects against severe mud, moisture, chemical fertilizer, and atmospheric oxidation. |
Typical Application
Grain elevator chain for combine harvesters, corn harvester transport assembly, wheat & rice harvester unloading conveyor, agricultural crop pickup machinery.
5-Step Customization Workflow
Step 1: Drawing Submission & Requirement Analysis
Send us your technical drawings (CAD, PDF, STEP) or physical sample. Our engineering team reviews pitch, tensile load, and attachment geometry within 24 hours.
Step 2: Engineering Evaluation & Material Selection
We select optimal alloy steel grades, pin heat-treatment depth, and surface coatings based on your operating environment (muddy, abrasive, or high-tensile).
Step 3: Precision Sample Tooling & Prototyping
We produce rapid prototype samples for dimensional inspection, attachment alignment testing, and pitch accuracy verification prior to mass production.
Step 4: Strict Quality Testing & Metallurgical Validation
Every batch undergoes rigorous tensile strength testing, hardness testing (HRC/HV), case depth analysis, and pitch tolerance measurement.
Step 5: Bulk Manufacturing & On-Time Delivery
Upon sample approval, we initiate automated bulk production, applying protective oil packing and export-grade wooden crate packaging for ocean/air freight.
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