Maikeyier has deep expertise in the combine harvester parts sector, with forging capability at its core and an integrated and comprehensive supply chain. We cover all series of harvester parts for Japanese and domestic Chinese brands including Kubota, Yanmar, Lovol, and World, providing one-stop parts supply services to the global agricultural aftermarket. Our product range covers every component of the harvester, including the header system, feeder house/conveying system, threshing system, cleaning system (fan section, sieve section, tailings/grain auger section), grain tank and unloading system, running chassis system, drive components (gears/shafts/sprockets/pulleys/bearing housings, etc.), hydraulic system, electrical/instrument system, engine and accessories, body panels/frames/structural parts, standard parts/fasteners/seals, and the straw chopper system.
Cutting System Parts
The header is the first part of the harvester to contact the crop, gathering and cutting the crop and conveying it to the threshing unit. It is also one of the fastest-wearing systems. Maikeyier supplies reel assemblies, header assemblies, cutter assemblies, reel support bracket assemblies, feed auger assemblies, and feeder house assemblies.
Component Category | Typical Products | Compatible Brands |
Cutting components | Cutter bars, blades, knife sections, stationary blades, guards | Kubota / Yanmar / Lovol / World |
Reel components | Reel teeth, spring tines, finger tines | Kubota / Yanmar / Lovol / World |
Conveying components | Feed augers, retractable fingers, conveyor chains | Kubota / Yanmar / Lovol / World |
Drive components | Sprockets, gears, pulleys, bearings | Kubota / Yanmar / Lovol / World |
Guard components | Header cover panels, protective guards, nylon parts | Kubota / Yanmar / Lovol / World |
Core Header Parts Products:
- Cutter bar assemblies and accessories: Cutter bars, knife sections, blades, stationary blades, guards, cutter bar ball head kits (crank pin + roller + oscillating knife shaft – precision-ground three-piece assembly)
- Reel and lifting components:Lifting drive shaft safety pins, reel teeth (spring tines, finger tines, springs)
- Sprockets and bearings:Sprocket assemblies (13-tooth hardened sprockets, 203 bearing gears, etc.), bearing dust covers (588/203/303/204 series), nylon bushings, drum shaft sleeves
- Augers and conveying:Header augers, feed augers (heavy-duty design, spiral retractable finger rods), retractable fingers (nylon finger sockets)
- Drive and adjustment:Header rocker arms (1205 bearing swing arms, spherical bearings), cutter bar drive connecting rods (spherical plain bearings), header non-removable shafts (3-way plastic boat nylon components)
- Guards and covers:Header top covers, header cover panels, belt guards, side cover panels, protective shields
Threshing System Parts
The harvester threshing system is key to determining the cleanliness of harvesting. Threshing teeth, concave screens, and reinforcing ribs are all components that require inspection and replacement during maintenance.
Component Category | Typical Products | Compatible Brands |
Threshing elements | Threshing teeth, threshing bow teeth, U-shaped drum blades | Kubota / Yanmar / Lovol / World |
Separation elements | Threshing concave screens, sieve plates, reinforcing ribs | Kubota / Yanmar / Lovol / World |
Drive components | Threshing belts, pulleys, tension wheels | Kubota / Yanmar / Lovol / World |
Drum components | Threshing drums, drum cover plates | Kubota / Yanmar / Lovol / World |
Core Threshing Parts Products:
- Threshing elements: Threshing bow teeth, U-shaped drum blades, threshing teeth (reversible when single-side thickness < 2.5 mm; replace after both sides worn)
- Separation elements: Threshing concave screens (with reinforcing ribs), sieve plates
- Drum components: Threshing drums, axial flow drum pulleys (3-groove pulleys 315/275/255/245)
- Drive and adjustment: Threshing clutch connecting rods, tension adjustment devices, threshing section belts (auger belts, straw chopper belts)
- Guard components: Drum cover plates
Feeding System Parts
The harvester conveying system is responsible for smoothly transporting crops from the header to the threshing system. Chains, sprockets, belts, and augers are the most easily worn components. Maikeyier maintains ample stock of harvester wear parts in our warehouse.
Component Category | Products | Compatible Brands |
Chains | Conveyor chains, elevator chains, feed chains, conveyor chain rakes | Kubota / Yanmar / Lovol / World |
Augers | Feed augers, conveying augers, unloading augers | Kubota / Yanmar / Lovol / World |
Belts | Conveyor belts, auger belts, travel belts | Kubota / Yanmar / Lovol / World |
Drive components | Sprockets, gears, bearings | Kubota / Yanmar / Lovol / World |
Harvester Conveying Parts Products:
- Conveyor chains:Conveyor chains, elevator chains, feed chains, conveyor chain rakes, grain tank conveyor belts
- Auger systems:Feed augers, conveying augers, unloading augers, header augers
- Belt drives:Conveyor belts, auger belts, travel belts (banded belts 9J-5)
- Feeder house assembly: Core structural component connecting the header and threshing unit
- Drive components: Sprocket assemblies (203 bearing gears, etc.), various bearings
Engine Parts
The combine harvester engine is the power heart of the machine. Yanmar harvesters use Yanmar common-rail engines, equipped with fuel supply pumps, rails, injectors, and corresponding sensors.
Component Category | Typical Products | Compatible Brands |
Assemblies | Engine assemblies, cylinder block assemblies | Kubota / Yanmar / Lovol / World |
Fuel system | Injection pumps, injectors, common-rail, diesel pump heads | Kubota / Yanmar / Lovol / World |
Cooling system | Fan blades, radiators | Kubota / Yanmar / Lovol / World |
Electrical system | Sensors, starters, alternators | Kubota / Yanmar / Lovol / World |
Filters | Diesel filters, oil filters, air filters | Kubota / Yanmar / Lovol / World |
Core Engine Parts Products:
- Assemblies and cylinder blocks:Engine assemblies, engine cylinder blocks
- Fuel supply system:Diesel pump heads (compatible with 4TNE94, 4TNV94L, 4TNV98, 4TNE98, etc.), fuel supply pumps, injectors, high-pressure common-rail pipes
- Cooling system:Cooling fan blades, radiators
- Electrical system:Various sensors, starters, alternators
- Filters:Diesel filters, oil filters, air filters
- Lubrication system:Engine oil, hydraulic oil (46# anti-wear hydraulic oil), transmission oil (heavy-duty gear oil GL/5 85W-90)
Undercarriage & Drive Parts
The harvester running chassis is an important load-bearing and motion system of the whole machine. Bearings, track rollers, guide wheels, and carrier rollers are the fastest-wearing components, and the running chassis system is one of the systems most prone to wear and requiring regular replacement.
Component Category | Typical Products | Compatible Brands |
Load-bearing wheels | Track rollers, guide wheels, carrier rollers, drive sprockets | Kubota / Yanmar / Lovol / World |
Track system | Rubber tracks, track links | Kubota / Yanmar / Lovol / World |
Tensioning system | Tension wheels, tension bolts, tension springs | Kubota / Yanmar / Lovol / World |
Drive components | Travel belts, sprockets | Kubota / Yanmar / Lovol / World |
Bearings and seals | Various bearings, oil seals | Kubota / Yanmar / Lovol / World |
Harvester Running Chassis Parts Products:
- Load-bearing wheels:Track rollers (6305-2RS bearings), guide wheels (6306-2RS bearings), carrier rollers (6205-2RS bearings), drive sprockets
- Track system:Rubber tracks, track links
- Tensioning system:Travel tension wheel assemblies, track tension bolts, tension springs
- Travel drive:Travel belts, travel drive sprockets
- Chassis structure:Rear guide rails (cast steel), track roller shafts, chassis ground wheel shafts
- Seals:Track roller oil seals, various seals
Body & Sheet Metal Parts
The main functions of harvester sheet metal covers are equipment protection, operational safety, and exterior integrity. They are also indispensable harvester parts.
Component Category | Typical Products | Compatible Brands |
Guards | Belt guards, cover panels, side cover panels | Kubota / Yanmar / Lovol / World |
Covers | Cab covers, hoods | Kubota / Yanmar / Lovol / World |
Structural parts | Brackets, connecting plates | Kubota / Yanmar / Lovol / World |
Core Harvester Sheet Metal Cover Parts Products:
- Guards:Belt guards, large drum side panels, header right-side cover panels, side cover panels
- Covers:Cab covers, engine hoods, header top covers
- Protective:Reel guard plates, protective shields, various cover panels
- Structural:Brackets, connecting plates, fixing components
Hydraulic System Parts
The harvester hydraulic system mainly controls header lift, steering, travel drive, unloading, and operational component adjustment, playing an important role in harvesting operations.
Component Category | Products | Compatible Brands |
Power elements | Oil pumps, hydraulic pump assemblies | Kubota / Yanmar / Lovol / World |
Control elements | Hydraulic valves, control valves, synchronizing valves | Kubota / Yanmar / Lovol / World |
Actuators | Hydraulic cylinders, lift cylinders | Kubota / Yanmar / Lovol / World |
Auxiliary elements | Hoses, hydraulic tanks, filter elements | Kubota / Yanmar / Lovol / World |
Core Harvester Hydraulic System Parts Products:
- Power elements: Oil pumps, hydraulic pump assemblies
- Control elements: Hydraulic valves, control valves (header/steering parallel system control valves), synchronizing valves
- Actuators: Hydraulic cylinders, header lift cylinders, steering cylinders (two-stage stroke cylinders)
- Auxiliary elements: Hydraulic tanks (26L capacity), hoses, hydraulic filter elements, seals
Harvester Parts Material Classification
The harvester parts covered by Maikeyier are not only comprehensive in category but also span multiple manufacturing fields in terms of material and process, meeting the replacement needs of the aftermarket in various scenarios.
Material Category | Description | Typical Products |
Forgings | Maikeyier’s forging plant has manufacturing advantages. Forgings offer high strength, high impact resistance, and excellent wear resistance. | Cutter bars, blades, connecting rods, gears, track rollers, drive sprockets, guide wheels, connectors |
Castings | Suitable for complex-shaped components requiring integral forming. High dimensional accuracy and good structural strength. | Housings, casings, support bases, drive castings, concave screens, pulleys |
Sheet metal parts | Metal structural parts formed by cutting, bending, welding, stamping, etc. Accurate dimensions, good fit, corrosion-resistant. | Protective guards, covers, brackets, connecting plates, side panels, guide rails |
Stamped parts | One-time forming via stamping dies, high production efficiency, good dimensional consistency, suitable for high-volume thin-plate parts. | Blades, shims, fixing clips, circlips, guards |
Hardware parts | Standard fasteners and various metal connectors, complete specifications, strength compliant. | Bolts, nuts, washers, pins, U-bolts, cotter pins |
Nylon parts | Self-lubricating, wear-resistant, vibration-damping, lightweight, with corrosion and impact resistance advantages. | Guide components, nylon bushings, drum shaft sleeves, plastic wheels, retractable finger sockets, nylon boat components (non-removable shafts) |
Rubber & plastic parts | Suitable for sealing, vibration damping, drive, and other applications. Good elasticity, strong sealing, oil- and water-resistant, lightweight, rust-proof, insulating. | Rubber tracks, oil seals, sealing rings, vibration dampers, O-rings, track pads, plastic guard plates, handles, deflectors |
Canvas/fabric parts | Used for conveying, protection, and sealing on harvesters. Wear-resistant, flexible, tensile. | Grain tank conveyor belts, conveyor belts, tarpaulins, dust covers |
Why Choose Maikeyier Combine Harvester Parts?
Harvester chassis parts are divided into OEM chassis parts and aftermarket chassis parts. Common supplier types include the OEM itself and independent third-party parts factories. The two complement each other, offering customers the most cost-effective prices and the highest quality products.
In-house forging plant: Core forged parts such as cutter bars, blades, gears, and connecting rods are produced in-house for full quality control.
Full brand coverage: One-stop supply of all series of combine harvester parts for Kubota, Yanmar, Lovol, and World.
Comprehensive category supply: From the header to the hydraulic system, covering all core systems of the harvester.
Strict quality control: Spectrographic analysis of raw materials → forging temperature control → dimensional inspection → hardness testing → assembly testing; every batch is traceable.
Flexible procurement: Supports both single-product supply and mixed-machine supply for harvesters.
Fast delivery: Quick response for in-stock items; shipment within 5–25 working days.
Agricultural Machinery Forged Parts Factory – Maikeyier
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Maikeyier is a harvester parts supplier and manufacturer from China, having served agricultural parts buyers in more than 25 countries and regions including Vietnam, Indonesia, India, the Philippines, Colombia, Brazil, Ecuador, Nigeria, and others with complete machine parts services. If you are looking for a reliable agricultural parts supplier, leave your requirements list with us for a free quote!