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Agricultural machinery
QProcess supplies cast, forged and machined components to manufacturers of agricultural machinery: tractors, implements, harvesting and soil cultivation equipment. Typical parts are gearbox housings, PTO shafts, hubs, brackets, counterweights and wear parts, delivered machined and coated to drawing.
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At a glance
Typical parts
- Gearbox, axle and differential housings
- PTO shafts, drive shafts and universal joint yokes
- Wheel hubs and brake drums
- Brackets, supports and frames from plate
- Counterweights and ballast weights
- Wear plates and soil-engaging wear parts
- Bushings, guides and plastic wear strips
Inspection
- MT or UT for safety-relevant castings
- Leak test of housings
Documents
- EN 10204 3.1 certificate
- Dimensional report
- First article inspection report
Processes and materials
| Component | Process | Typical material |
|---|---|---|
| Gearbox and axle housings | sand casting and CNC milling | EN-GJS-400-15, EN-GJL-250 |
| PTO shafts and yokes | forging and CNC turning | C45, 42CrMo4 |
| Hubs and brake drums | sand casting | EN-GJS-500-7, EN-GJL-250 |
| Brackets and frames | laser cutting | S355J2 |
| Counterweights | sand casting | EN-GJL-200 |
| Wear parts | sand casting, laser cutting | white iron to EN 12513, wear-resistant steel |
| Guides and wear strips | engineering plastics | PE-UHMW, PA6 |
Quality and documentation
Agricultural machinery parts are usually supplied with a material certificate to EN 10204 3.1 and a dimensional report. New parts are released with a first article inspection report. Castings for safety-relevant functions are tested by magnetic particle or ultrasonic testing where specified, and housings by leak test. Heat treatment and coating are documented under secondary operations. More on the quality page.

Related pages
- CastingSand, die, permanent mould, investment, centrifugal and continuous castings in iron, steel, aluminium and bronze, produced by foundries in Türkiye.
- ForgingClosed-die and open-die steel forgings, rolled rings and shafts from forges in Türkiye, supplied raw, heat treated or machined, with EN 10204 3.1 certificates.
- CNC machiningCNC turned, milled and ground parts, EDM, laser and waterjet cut parts from machine shops in Türkiye, from prototypes to series, with dimensional reports.
- Engineering plasticsMachined and injection moulded engineering plastic parts in PA6, PA66, PA6-GF30, POM-C, PE-UHMW and PEEK, produced by manufacturers in Türkiye.
- Secondary operationsHeat treatment, galvanising, powder coating, KTL e-coating, painting and assembly for cast, forged and machined parts, managed by QProcess in the same order.
- Construction and mining equipmentPins, bushings, hubs, housings, counterweights and wear parts for construction and mining equipment manufacturers, produced by manufacturers in Türkiye.
- Commercial vehicles and automotiveHubs, brackets, die cast housings, shafts and turned parts for commercial vehicle, trailer and automotive tier suppliers and the aftermarket, from Türkiye.
Frequently asked questions
Which processes are most common for agricultural machinery parts?
Sand casting in grey and ductile iron for housings, hubs and counterweights, forging for shafts and yokes, CNC machining for all functional surfaces and laser cutting for brackets and frames. Most parts are delivered painted or powder coated.
Can you supply spare parts for older machines?
Yes, if a drawing or a sample with sufficient information is available. Sand casting and machining suit small quantities, so spare parts can be produced without large tooling investments.
Can parts be delivered painted in our colour?
Yes. Parts can be powder coated, KTL coated or wet painted in the colour and paint system you specify, with machined surfaces masked.
Send your drawing. You get a quotation in 3 to 5 working days.
Your drawings are handled confidentially; NDA on request.