Maikeyier is a Chinese factory supplier of combine harvester feeding system parts, with products including harvester header augers, feed augers, conveyor chains, feeder house chain rakes, conveyor belts, sprockets, retractable fingers, and more. We are committed to providing high-quality one-stop complete harvester parts supply services to the global agricultural aftermarket, having served parts wholesalers and distributors for all series of harvesters across four major brands – Kubota, Yanmar, Lovol, and World – in more than 20 countries.
Combine Harvester Feeding System Wear Parts
The combine harvester’s combine harvester feeding system parts undertakes the critical task of smoothly and efficiently transporting the crops cut by the header to the threshing system. During operation, the conveying system continuously endures friction, impact, and straw entanglement from the crop. Components such as chains, auger flights, and belts wear out quickly and require frequent replacement.

Header Auger
Concentrates the crop cut by the cutter bar laterally and pushes it to the feeder house inlet.

Feed Auger
Transports the crop from the header to the feeder house, ensuring uniform and continuous feeding.

Conveyor Chain
Drives the scraper to lift and convey the crop along the feeder house to the threshing system.

Feeder House Chain Rake
The core component that scrapes and conveys the crop within the feeder house.

Sprocket (Drive / Driven)
Drives the conveyor chain to transmit travel and conveying power.

Retractable Fingers
Retractable picking teeth on the header auger that assist in pushing the crop.

Feeder House Drive Shaft
Carries the sprockets and transmits power; core rotating components of the conveying system.

Feeder House Floor Plate
The supporting surface on which the crop slides within the feeder house.
Combine Harvester Feeding System Parts Classification
Crops cut by the front header are concentrated by the header auger into the feeder house (transition housing), then steadily fed into the threshing unit through chain scraper or belt conveying devices. The combine harvester feeding system parts can be divided into five major categories: header concentration and feeding components, feeder house core conveying components, belts and drives, and auxiliary and guard components – all of which, together with running chassis parts and threshing parts, are among the high-frequency replacement components on a harvester.
Auger Category
Component | Material / Process |
Header auger assembly | Spiral flight welding + precision machining |
Feed auger | Heavy-duty spiral design + wear-resistant treatment |
Conveying auger | Flight forming + welding |
Unloading auger | Spiral flights + universal drive |
Chain and Scraper Category
Component | Material / Process |
Feeder house conveyor chain | High-strength chain steel + precision assembly |
Conveyor chain rake (scraper chain) | Chain + scraper combination |
Elevator chain | Wear-resistant links + precision pitch |
Feed chain | High-strength chain |
Belt and Drive Category
Component | Description |
Feeder house drive belt | SC type and other specifications |
Header auger drive belt | B type and other specifications |
Transition drive belt | Fan-to-auger transition drive |
Sprocket (drive / driven) | Precision machining + heat treatment |
Shaft and Bearing Category
Component | Description |
Feeder house drive shaft | High-strength structural steel + precision machining |
Feeder house driven shaft | High-strength structural steel + precision machining |
Auger shaft | Precision machining + bearing journal treatment |
Conveying section bearings | Various bearing types + oil seals |
Auxiliary and Guard Category
Component | Description |
Feeder house floor plate | Wear-resistant steel plate + reinforcing ribs |
Feeder house cover plate | Sheet metal stamping + anti-corrosion treatment |
Retractable finger socket (nylon) | Nylon injection molding |
Feeder house seals | Rubber sealing + wear-resistant treatment |
Application Scenarios
Rice harvesting: Rice straw is wet and muddy; the conveying system is prone to clogging, requiring high passability of augers and chains.
Wheat harvesting: Wheat straw is long and tough, with high conveying loads, demanding high chain strength and belt durability.
Soybean harvesting: Pods are fragile, requiring smooth conveying with minimal impact.
Corn harvesting: Stalks are thick and hard, with large feed volume, demanding the highest structural strength from the feeder house conveying system.
Fmworld Parts
Lovol Parts
Yanmar Part
Kubota Part
Combine Harvester Feeding System Parts – Quality Requirements
Quality Aspect | Specific Requirements |
Chain strength | Conveyor chains must be made of high-strength alloy steel with tensile strength meeting standards to ensure they do not break under heavy loads. |
Auger wear resistance | Spiral flights must be made of wear-resistant steel plate or surface-hardened; replace when flight wear exceeds 2.5 mm. |
Dimensional accuracy | Sprocket tooth profiles and shaft diameters must be precise to ensure smooth chain engagement and proper bearing assembly. |
Dynamic balance | Auger shafts and feeder house shafts must be dynamically balanced to avoid severe vibration during high-speed rotation. |
Sealing performance | Bearings and feeder house joints must be well-sealed to prevent mud and sand intrusion that causes premature wear. |
Anti-clogging design | Auger retractable fingers must move flexibly; the feeder house floor plate must be smooth and burr-free to reduce straw accumulation. |
Maikeyier Combine Harvester Feeding System Parts Supplier
If you are looking for a supplier that provides one-stop complete harvester parts supply services, Maikeyier may be your ideal partner. We have our own factory as well as a supply chain. Whether you need OEM harvester feeding system parts or aftermarket parts, we can offer you the most cost-effective prices without compromising quality.
Why Choose Maikeyier Combine Harvester Feeding System Parts?
Quality: High-strength conveying components such as sprockets, shafts, and connectors can be produced in-house by forging.
Brands: One-stop supply of conveying parts for all series of Kubota, Yanmar, Lovol, and World harvesters.
Categories: From augers to chains, from belts to bearings – covering all category needs of the conveying system.
Supply chain: Forged harvester parts are produced in-house for quality control from the source; other parts are inspected upon warehouse receipt with rigorous quality control.
Services: Supports free samples, sample orders, mixed-lot complete machine parts, full-container wholesale, and more.
Delivery: Lead time of 5-25 working days.
Maikeyier’s Quality Assurance for Combine Harvester Feeding System Parts
Material selection: Chains use high-strength alloy steel; auger flights use wear-resistant steel plates.
Heat treatment: Key components such as sprockets and shafts undergo quenching + tempering, achieving surface hardness with good core toughness.
Precision machining: High-precision CNC machining ensures accurate sprocket tooth profiles and shaft diameters.
Welding process: Auger spiral flights use dedicated welding fixtures + low-temperature tempering to eliminate residual welding stress.
Dynamic balance correction: Auger shafts and feeder house shafts are dynamically balanced to ensure machine service life is not affected.
Quality inspection: 100% inspection of hardness, dimensions, and appearance; every batch is traceable.
Harvester Feeding System – FAQ
A: The chain should be replaced when elongation exceeds the tension adjustment range. It is generally recommended to check chain elongation before and after each season. When the tension adjustment range can no longer compensate for chain elongation, replacement should be carried out promptly. Conveyor scrapers should also be replaced if damaged.
A: Auger spiral flights should be replaced when wear height exceeds 2.5 mm. Local deformation can be corrected by hammering back to shape; if weld failure or breakage occurs, weld repair or replacement is required.
A: Replace when: ① the belt surface shows scorching or the protective layer is peeling; ② the belt is cracked or elongation exceeds the specified limit; ③ the belt slips and tension adjustment can no longer resolve the issue.
A: Stop the machine, open the feeder house cover plate, remove residual debris from the trough, and check whether the conveyor chain is stuck or scrapers are damaged.
A: OEM combine harvester feeding system parts are produced by the OEM or its designated suppliers, strictly following original standards. Aftermarket conveying parts are produced by independent manufacturers (such as Maikeyier) according to original specifications.
A: Conveying parts support mixed-lot orders; different categories can be combined in one order. Specific MOQs vary by product type. Please contact us for a detailed quotation.
Whether you need header augers, feed augers, feeder house conveyor chains, conveyor belts, sprockets, or retractable fingers, Maikeyier can provide you with high-quality, cost-effective combine harvester feeding system parts solutions, complete product catalogs, and tailored quotations.







