Discover how harvester components are fabricated from sheet metal for combine, forage, and specialty harvesters. Learn about material selection, wear resistance, and real-world applications.
What to Expect From Harvester Component Fabrication
Agricultural harvesters operate in dusty, abrasive environments, processing crops at high volumes during critical harvest seasons. Harvester components must withstand crop abrasion, dust, vibration, and weather while maintaining reliable operation. At Fulei Metal, we fabricate harvester components for agricultural equipment manufacturers across Europe and Japan.
Need these made to your drawings? See our harvester components — Q345 steel grades and wear-resistant options.
Harvester Component Types
Header components form the front of harvesters where crops are gathered and cut. Threshing drum housings enclose threshing mechanisms that separate grain from straw. Cleaning shoe housings enclose cleaning mechanisms that remove chaff from grain. Grain tank components store harvested grain. Auger housings enclose grain transport augers. Chopper housings enclose straw choppers. Engine compartment components house harvester engines.
Choosing Material for Harvester Component Fabrication
Wear-resistant steel provides components subject to crop abrasion with extended service life. We use 2.0 to 4.0 mm wear-resistant steel sheet for high-wear components. Galvanized steel provides components requiring corrosion resistance with adequate wear resistance for moderate-duty applications. Powder-coated steel provides cost-effective components for non-wear applications. Stainless steel provides corrosion resistance for components exposed to crop moisture. All materials must withstand vibration and impact from crop processing.
Design Choices That Affect Harvester Component Fabrication
High-wear components must use wear-resistant materials and may include replaceable wear plates. All crop-contact surfaces must be smooth to prevent crop damage and material buildup. Components must withstand vibration from harvesting operations. Designs must provide access for cleaning and maintenance, as crop residue accumulates rapidly. Dust management features must prevent dust infiltration into bearings and mechanisms. Components must resist corrosion from crop moisture and sap. All edges must be smooth for safety.
Cutting, Bending and Welding Harvester Component Fabrication
Our TRUMPF fiber laser cuts component panels, housings, and brackets from flat sheet stock with precise dimensions. CNC press brake machines formed panel profiles, housing shapes, and mounting components. Component assembly uses MIG welding for steel, with continuous welds for dust sealing. Wear plates are welded or bolted to high-wear areas. Surface treatments include powder coating, galvanizing, and wear-resistant coatings.
Field Notes: Harvester Components
Harvester parts are built for one of the most punishing environments in agriculture: abrasive crop, dust, constant vibration and a short, intense season in which breakdowns are not affordable. Two requirements come out of that. Wear resistance is usually addressed at the surface rather than through the section, since abrasive wear is a surface phenomenon and a modest thickness with an appropriate surface lasts far longer than double the thickness of mild steel. And serviceability is treated as part of the design, because a part that takes six hours to reach is a part that will be run past its wear limit in harvest. The fabrication detail that matters most on these parts is that guards and covers are fastened in a way that survives vibration, because a panel that works loose on a harvester goes into the machine rather than falling off it.
How We Quote Harvester Component Fabrication
Harvester component fabrication requires wear resistance, dust management, and agricultural environment durability. Fulei Metal’s capabilities make us a trusted partner for agricultural equipment projects.
For OEM buyers the practical next step is a drawing review — see our DFM engineering review for what we need and how fast we turn it around. This work sits inside our custom sheet metal fabrication capability, and Trailer Hitch Component Fabrication explains the technical background in more detail.
Harvester Components: Abrasion, Impact and Season-Long Duty
Components on a combine or a forage harvester work in an environment that is abrasive and shock-loaded at the same time. Crop dust and soil are abrasive; the cutting and feeding mechanisms are shock-loaded; and the working season is short enough that a failure during it costs far more than the part. The design response is rarely a heavier gauge — it is choosing where material goes and how it is attached.
Abrasion is handled by section placement and by replaceable wear parts. A chute or a housing in the crop path wears at the point where the flow changes direction, and that area is better detailed as a replaceable liner than as a thicker panel. Impact is handled by keeping welds out of the direct load path where possible and by using a formed section rather than a flat plate where a part has to resist bending in two directions.
Can you build to our existing component drawings?
Yes. Send the drawings with the material specification, the wear areas, and any load or cycle information from your testing, and we will flag anything that will wear through, will not form, or puts a weld in a bad position.
Do you supply the machine or the cutting parts?
No. We fabricate housings, chutes, frames, brackets and covers. The machine, the cutting and feeding mechanisms and the drive systems are yours or the machine builder’s, and the conformity assessment of the complete machine belongs to them.
Replaceability and the Drawing Details That Decide Downtime
On harvesting equipment, the most valuable property a component can have is that it can be changed quickly in a field. That is a drawing property, not a manufacturing one. Fastener access from one side rather than two. Captive or welded-on nuts where a spanner cannot reach. A part that can be removed without disturbing an adjacent assembly. Hole patterns that repeat across the family of parts so one spare fits several positions.
The second detail is corrosion between seasons. Equipment is stored for months, often outdoors, and the stored condition is what determines whether a part is serviceable at the start of the next season. Drainage at low points, no open tube ends where water can sit, and a coating specified for outdoor storage rather than for appearance — all of it is settled on the drawing.
Inspection follows the buyer drawing and the approved sample, with general tolerances to ISO 2768 unless stated. Mounting patterns are checked on a sample from each batch and coating thickness is recorded. Material and coating documentation is issued per order — see material certification and traceability. Parts are bundled with separation between coated faces; for export consignments see export packaging standards.
Need a Similar Part?
Most enquiries that start on a page like this are not an order for Harvester Component Fabrication: Sheet Metal Solutions for Harvest Season — they are a search for a factory that can make something like it. Send us your drawing, 3D model or sample and we will review the manufacturing process and the quotation requirements, then come back with a process plan, a price and a lead time.
We work from 2D drawings, STEP / DWG / DXF / PDF files, or a physical sample if that is all you have.
No complete drawings yet? Describe the part, send photos or a sketch, or send a sample — we can start from there. Discuss your project.
Trade Terms and Delivery
We quote under the standard Incoterms your logistics team already works with, and build the packing and documentation around the one you choose.
- EXW — you collect from our Ningbo facility and run export clearance through your own forwarder.
- FOB Ningbo — we deliver to the vessel at Ningbo port and handle export clearance.
- CIF — we cover carriage and insurance to your named destination port.
- DDP — we handle carriage, insurance, import clearance and duties through to your door.
Send your destination country, target delivery date and preferred trade term together with the drawing. Request a quotation.
Payment Terms
How a project is paid for is agreed before production starts, and the structure that applies to your order is stated on the quotation and on the order confirmation, so there is no ambiguity later.
- 30% advance payment with the order and the 70% balance before shipment — our standard structure.
- 70% advance payment with the order and the 30% balance before shipment — used for some projects.
- 100% payment in advance before production starts — used for some projects.
If your finance team works to a fixed structure, say so in the first enquiry and we will confirm what applies to your order before you commit. Request a quotation.
Quotation Time
We quote from your drawings. How long that takes depends on what the part asks for:
- Simple parts — quoted within 24 hours. Laser-cut blanks and bent components, supplied with complete 2D or 3D drawings. Mon–Fri, GMT+8.
- Complex assemblies — quoted after the drawing review. Payment kiosks, multi-part welded frames, enclosures with purchased hardware, or anything needing a coating or assembly trial. We confirm a quotation date once the scope is clear.
Production lead time is quoted separately, after drawing review and process confirmation. Send your drawings.
What stands behind this quotation
- Manufacturing since 20162,500 m² Ningbo plant — 3 laser cutting machines (including newer TRUMPF), 4 CNC press brakes and 10 welding stations.
- Shipped to more than 30 export marketsEnclosures, cabinets and formed parts supplied to OEM buyers across Europe, North America and Asia.
- 123 documented product casesMedical device housings, HVAC and heat pump enclosures, agricultural and livestock equipment, industrial hydraulics, material handling trolleys and EV charging cabinets.
- Factory evidence you can checkTUV Rheinland audit reference MIC-ASI243729 and Bureau Veritas reference MIC-ASR263630 available for buyer review on request.
Before you send drawings: project confidentiality is default · first-article inspection is carried out before a batch continues · pricing is staged from prototype quantity to repeat volume · pre-shipment photos and packing records are prepared when the project needs them.