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China Leading Agricultural Machinery Parts Manufacturer Since 2006



China Leading Agricultural Machinery Parts Manufacturer Since 2006


Fabricante líder de repuestos para maquinaria agrícola en China

what are the benefits
Más de 20 años de experiencia en fabricación. Fábrica moderna de más de 2000 m² con líneas de producción avanzadas y capacidad suficiente. Más de 15 ingenieros profesionales con sólidas capacidades técnicas e impulsados ​​por la innovación. Servicio de personalización OEM con soluciones flexibles para especificaciones especiales. Proceso de producción estandarizado que garantiza la consistencia y estabilidad del producto.
Amplio stock disponible: piezas principales en stock, sin esperas. Envío rápido en 24 horas: logística eficiente, pedidos urgentes priorizados. Red de distribución global: cobertura en Europa, América y el sudeste asiático. Compatible con compras al por mayor y reposición de lotes pequeños. Seguimiento logístico completo.
Sistema de capacitación profesional de soporte técnico 24/7 con respuesta rápida en 2 horas: capacitación técnica gratuita, mejora de capacidades. Asistencia de ingenieros para la identificación de números de equipo original. Servicio exclusivo, colaboración a largo plazo.
Sistema certificado ISO9001. Fabricado estrictamente según los estándares del fabricante original (OEM). Control de calidad integral del proceso. Registros de trazabilidad completos. Garantía de calidad de 12 meses: reparación/reemplazo gratuito por problemas de calidad.
Reducción de costos del 30 al 50 % - Calidad OEM a precios competitivos Descuentos por volumen Adquisiciones integrales Política de precios transparente Precios especiales para socios estratégicos
John Deere Agricultural Parts Replacement

Changjia has a very comprehensive range of John Deere Agricultural Parts Replacement Products, including Gear Case AM136330 AUC10298,AA37552 Planter Closing Wheel Arm , AM143310 DE19086 Mower Deck Gear Box , Tie Rod Assembly RE568090  and so on.

Gear Case AM136330 AUC10298 Fits John Deere X710 X730 1025R 2032R Tractor Gearbox Assembly 2 Gear Case AM136330 AUC10298 Fits John Deere X710 X730 1025R 2032R Tractor Gearbox Assembly 1 Gear Case AM136330 AUC10298 Fits John Deere X710 X730 1025R 2032R Tractor Gearbox Assembly 2 Gear Case AM136330 AUC10298 Fits John Deere X710 X730 1025R 2032R Tractor Gearbox Assembly
⭕️ AM136330 dual part numbers fit 17 John Deere models with direct installation
⭕️ Premium carbon steel offers wear/corrosion/impact resistance for extended equipment life
⭕️ ISO9001 certified with CNC machining and 13 professional quality tests
⭕️ 15-20 day sample delivery with flexible drawing/sample customization support
⭕️ Factory direct pricing with sea/air shipping and anti-rust export packaging
Right-Hand Stalk Roll Knife H150690 Fits John Deere 443 444 643 644 693 Custom & Bulk Wholesale Available
⭕️ H150690 precise OE matching fits John Deere 443/444/643/644/693 models with direct installation
⭕️ Quenched carbon steel edge offers superior wear/impact resistance for extended service life
⭕️Precision OEM hole alignment enables modification-free bolt installation reducing maintenance downtime
⭕️ Optimized curved blade design ensures smooth cutting/feeding for improved harvesting efficiency
⭕️ Factory direct wholesale/custom with 15-20 day sample delivery supporting drawing/sample customization
AA37552 Planter Closing Wheel Arm Fits John Deere Planter Parts Support Customization And Development
⭕️ AA37552 precise OE matching fits John Deere 1760/1780/7200/7300 planters with direct installation
⭕️ Premium carbon steel offers superior structural strength resisting deformation/fracture for extended service life
⭕️ CNC precision machining with complete inspection system ISO9001 certified ensures OEM quality standards
⭕️ Professional engineering team delivers samples in 15-20 days with flexible drawing/sample customization development
⭕️ Factory direct wholesale with multiple surface treatments and sea/air logistics for global secure delivery
Shaker Arm AH138230 fits John Deere C670 CTS CTSII T550 T560
⭕️ AM143310/DE19086 dual part numbers precisely fit John Deere 425/445/455 tractors with 48/54/60" mower decks
⭕️ High-strength carbon steel forging with ≥58HRC surface hardness offers 3-5x service life with wear/corrosion resistance
⭕️ CNC precision manufacturing with ±0.01mm tolerance ISO9001 certified with 10+ quality tests ensures OEM quality
⭕️ Plug-and-play design requires no modification for direct replacement reducing downtime with optimized high-torque performance
⭕️ Factory direct custom wholesale with 15-20 day sample delivery and sea/air logistics for global secure delivery
CASE Agricultural Parts Replacement , Forged Parts Agricultural Welded
& Stamped Parts and Agriculture Machinery Casting Parts 

Changjia has a very comprehensive range of CASE Agricultural Parts Replacement , Forged Parts Agricultural Welded & Stamped Parts and Agriculture Machinery Casting Parts Products, including Heavy-Duty Telescoping Drive Shaft Assy 677847, Pulley 87529708, Bevel Gear 87036674 , Separator Grate H201117, Bracket H232417,Front Drawbar , Elevator Head Cover 238646A1 , GEAR AH146441, AN102004, Gear 1324929C1, Drive Shaft AH148769 , Gear Kit AH162230 and so on.

Heavy-Duty Telescoping Drive Shaft Assy 677847 Fits New Holland 256 258 259 Support Wholesale And Customization
⭕️677847 precise OE matching fits New Holland 256/258/259 hay rakes with direct replacement installation
⭕️Premium carbon steel heavy-duty design offers exceptional strength/wear resistance for long-hour heavy-load operations
⭕️Fully automatic CNC production line manufacturing ISO9001 certified with complete testing equipment ensures OEM specifications
⭕️Diversified surface treatment options achieve anti-corrosion/wear resistance adapting to harsh field working conditions
⭕️Factory direct custom wholesale with 15-20 day sample delivery and professional engineering team technical matching advice
Pulley 87529708 Fits Case IH 2377 2388 2588 2577 6088 5088 7088 Support Customization And Wholesale
⭕️87529708 precise OE matching fits Case IH 2377/2388/2577/2588/5088/5130/5140 combines with direct replacement
⭕️Heat-treated high-strength cast steel with optimized belt groove design offers exceptional wear resistance and stable transmission
⭕️1:1 conforms to original dimensional standards compatible with 411406A1/87529707 cross-reference numbers for modification-free installation
⭕️Three raw material options available: grey iron/high-strength steel castings/forged-welded integrated structure meeting different operational requirements
⭕️Full-chain B2B services including wholesale customization quality control inspection and global delivery fitting distributors and repair shops needs
Bevel Gear 87036674 FIT Case IH CJ-MDX81 MDX91 FIT New Holland 87036674 86527124
⭕️ 87036674 dual-brand compatibility fits Case IH CJ-MDX81/MDX91 and New Holland equipment with cross-reference number 86527124
⭕️ Multiple material process options: iron castings/steel castings/forged/weldings meeting different strength and cost requirements
⭕️ CNC precision machining center robot automated production line ISO9001 certified ensures accurate gear meshing
⭕️ Complete testing equipment: spectrograph hardness tester penetrant testing impact inspection salt spray test CMM coordinate measuring
⭕️ Customer drawing/sample customization 15-20 day sample cycle multiple surface treatments sea/air shipping global delivery
Separator Grate H201117 Fits John Deere 9650STS 9750STS Support Wholesale And Customization
⭕️ H201117 precise OE matching fits John Deere 9650STS/9750STS/9760STS/9660STS+ combines with direct replacement installation
⭕️ High wear resistance stable operation design withstands harsh agricultural working conditions reducing unexpected machine downtime
⭕️ High wear resistance stable operation design withstands harsh agricultural working conditions reducing unexpected machine downtime
⭕️ ISO9001 quality certified comprehensive mechanical anti-corrosion material dimensional testing standardized inspection procedures ensure batch quality
⭕️ Factory direct wholesale customization CAD drawing sample reference 15-20 day sample cycle global sea/air shipping
Agricultural Transmission, Agricultural Hydraulic Parts, Agricultural Electrical Parts and Cotton Picker Parts

Changjia has a very comprehensive range of  Products, including Corn Head Idler Sprocket AH231386 , Rear Power Shaft Ring Gear, Ring Gear Hub R88213, Traction Clutch Hub R50346, Pinion Shaft , Chain Vertical Auger Drive Sprocket AH146352, R322903 Hydraulic Quick Coupler, Hydraulic Quick Coupler Plug RE71489 , High Pressure Hydraulic Quick Coupler Female Socket RE255758 , Solar Powered Tipping Bucket , Doffer Pad High Speed AN406038 and so on.

Gear 9806931 Fits For John Deere Support Customization and Wholesale
⭕️ AH231386 precise OE fit John Deere 606/608/612 corn heads direct replacement no modification required plug-and-play installation
⭕️ Premium high-alloy steel integral quenching hardening treatment high surface hardness deformation/fracture resistance withstands heavy-duty operations
⭕️ Integrated precision molding technology uniform tooth pitch smooth transmission stably maintains optimal corn head conveying chain tension
⭕️ Effectively prevents chain slipping gear wear jamming chain dropping reduces equipment downtime significantly extends service life
⭕️Factory direct wholesale customization CAD drawing sample reference 15-20 day sample cycle anti-rust shockproof export packaging
R322903 Hydraulic Quick Coupler Fits John Deere Models 5045D 5045E Support Wholesale And Customization
⭕️ R322903 precise fit John Deere 5045D/5075E/5100M/7R series tractors direct replacement for RE322903 OEM part
⭕️ Built-in anti-connection mechanism under residual pressure protects hydraulic pumps valves precision components avoids high-pressure impact damage reduces maintenance costs
⭕️ Nickel-plated carbon steel housing excellent rust/wear/impact resistance precision flat-face seal ensures superior connection tightness reduces hydraulic oil leakage
⭕️ Manufactured strictly per original RE322903 dimensions plug-and-play no pipeline modification compatible with mainstream models easy installation
⭕️ Flat face seal ball lock design 0.866" external thread NBR oil-resistant rubber seal suitable for standard hydraulic oil factory direct customization
Water Quality and Level Sensor
⭕️ High-precision pressure transducer digital signal conversion water level height RS485 bus Modbus-RTU protocol PLC IoT data acquisition terminal direct connection
⭕️ Long transmission distance electromagnetic interference resistance suitable for industrial facilities outdoor environments long-distance cabling bus networking single-line parallel connection dozens sensors reduces cabling costs
⭕️ High-precision digital signal minimal temperature drift built-in temperature compensation stable measurement in sewage sludge environments remote parameter calibration high/low liquid level threshold alarm output
⭕️ Waterproof corrosion-resistant probe suitable for sewage acidic alkaline wastewater silty river water industrial process level measurement control urban water supply wastewater treatment automation systems
⭕️ 12-24VDC power supply 90mW average power consumption 1cm resolution 1-meter range 4-meter cable 200% FS overload capacity ISO9001 certification customization service
Doffer Pad High Speed AN406038 Fits for John Deere Support Customization and Wholesale
⭕️ AN406038 high-speed urethane doffer pad specifically designed for John Deere cotton pickers durable reliable ensures optimal performance efficiency in heavy equipment operations
⭕️ 20 years agricultural machinery experience professionalism ensures greater quality reliability fine product quality passed international certification meets design specifications customer requirements
⭕️ ISO9001 quality certification iron/steel castings forged/weldings raw materials CNC machining center robot automatic line special drilling machine ultrasonic cleaner
⭕️ Customer CAD drawings samples customization service 15-20 days sample making spectrograph mechanical test hardness tester penetrant detection impact inspection salt spray test
⭕️ Powder coating e-coating plating Zn/Cr/Ni blackening dacromet hot galvanizing surface treatment sea/air shipment dual logistics solutions factory direct wholesale customization

Customer Reviews

Trusted by Leading Agricultural Industry Partners
Discover why major OEM manufacturers, regional dealers, and parts distributors across the globe rely on Changjia's ISO9001 certified agricultural machinery components for their business success.
 Carlos Silva
Client Background: $250M annual revenue, serving 8000+ farmers
Pre-Cooperation Challenges: 15% OEM price increase, customer complaints about high prices, declining market share
ChangJia Solution:
✓ 1200+ SKU replacement parts supply, 100% quality match with OEM parts
✓ $8.8M annual procurement cost reduction
✓ Dedicated warehousing service, 40% inventory turnover improvement

Cooperation Results:
📊 25% sales growth → reaching $310M USD
💰 12 percentage point profit margin increase
🏆 Customer satisfaction improved from 78% to 96%
🚀 Market share regained industry leadership
 Diego Fernández
CLAAS combine harvester professional service provider in Germany
Pre-Cooperation Challenges: Insufficient inventory during harvest season, serious capital occupation during off-season
ChangJia Customized Solution:
✓ VMI (Vendor Managed Inventory) service
✓ Intelligent replenishment system based on historical data
✓ Flexible order support, minimum batch of 100 pieces

Optimization Results:
📉 45% reduction in inventory capital occupation
⚡ Delivery punctuality improved to 99.2%
💎 €3M cash flow improvement
🔄 Inventory turnover increased from 4 to 7 times
Client Background: Largest sugarcane harvester manufacturer in South America, annual production 15,000 units
Pre-Cooperation Bottleneck: Core components dependent on single supplier, 16-week delivery cycle
ChangJia Solution:
✓ 800+ core components localized supply, delivery cycle reduced to 4 weeks
✓ Established local quality inspection center in Brazil, full ISO9001 standard control
✓ Annual framework agreement locks costs, hedges currency risks

Cooperation Results:
📊 60% annual capacity increase → reaching 24,000 units
💰 $1,200 cost reduction per unit
🏆 Product delivery punctuality improved from 65% to 98%
🌍 Successfully entered emerging markets like Argentina and Chile
 Mateo Rodríguez
Client Background: Agricultural machinery repair chain covering 5 western Canadian provinces, 300+ service outlets
Pre-Cooperation Pain Points: Complex parts variety, chaotic inventory management, long customer waiting times
ChangJia Innovation Solution:
✓ Digital parts catalog system covering 2500+ SKUs
✓ Regional distribution center + 48-hour rapid response
✓ Predictive inventory management with intelligent distribution based on agricultural seasons

Transformation Results:
📱 70% improvement in order processing efficiency
🚚 Parts availability improved to 95%
💯 Customer service satisfaction reached 94%
📈 35% average revenue growth per store
 Lucas Oliveira
Client Background: Professional trader specializing in corn planting equipment, A$50M annual turnover
Pre-Cooperation Limitations: Single product line, fierce competition, compressed profit margins
ChangJia Expansion Strategy:
✓ Provide full industrial chain parts for harvesting, tillage, and plant protection
✓ Exclusive agency rights protection with deep regional market coverage
✓ Technical training support to enhance team professional capabilities

Expansion Results:
🎯 Product line expanded to 6 categories, 1800+ SKUs
💰 Annual turnover exceeded A$85M, 70% growth
🏅 Became TOP3 agricultural parts distributor in Australia
🤝 Established stable customer base with 85% repurchase rate

Discover Our innovative Hydraulic Agricultural Machinery Parts Projects

02
High-Performance Grain Crushing Solution–Enhanced Durability, Greater Efficiency
The grain crusher with ultra-durable technology has a longer service life. By increasing the diameter of the crushing rollers and enabling electric adjustment of the roller gap, the operation becomes more convenient.

For John Deere models 8400 and 8500, 40% higher differential ratio is newly available as an option, resulting in a 7% increase in grain crushing rate and providing you with higher-quality feed.
02
Efficient & Smart Cutter Head with 7s Brake & 45s Alignment
The Dura-DrumTM large-diameter cutter head enables faster material flow, lower power consumption and higher efficiency.

The new cutter head brake can stop in just 7 seconds. The blades can be installed separately, and the installation time is less than one minute. Reversing the grinding process can keep the blades sharp for a longer time, reducing the frequency of blade replacement and saving you time and cost.

The new intelligent alignment system can quickly align the blades in just 45 seconds, increasing the effective operation time, saving fuel.

Partners

Trusted by Well-known Cooperative Partners
From major OEM manufacturers to regional dealers and parts distributors worldwide, industry leaders choose Changjia for our ISO9001 certified quality and reliable service.
Changjia Factory View
Changjia Agricultural Company is a professional manufacturer dedicated to the research, production and manufacturing of agricultural machinery parts. Conveniently located in Jiangsu, China, our company boasts advanced production equipment, professional technical strength and efficient management system, laying a solid foundation for providing high-quality products and services to global customers.

Beyond standard parts: Tailored agricultural machinery component solutions for you

Our Series of Customized Services
We understand that standardized parts cannot solve all problems. In the face of special working environments, unique agricultural machinery models, or extreme performance requirements, you need more precise solutions. Leveraging our 20 years of industry expertise and a strong R&D team, we not only offer high-quality standard parts, but also focus on developing customized agricultural machinery components specifically for you, helping you enhance operational efficiency and tackle unique challenges.
Our R&D Capabilities
We are a professional agricultural machinery team of 15+ experienced engineers and designers, specializing in materials science and mechanical analysis. Our advanced manufacturing facility features CNC machines, robotic production lines, and precision equipment for superior quality output.
Customized Scenarios We Serve
Model Matching - Parts for outdated/niche agricultural machinery models;Special Conditions - Components for extreme environments and specialized crops
Performance Upgrade- Enhanced durability, lightweight design, and efficiency optimization; OEM/ODM Services - Complete machinery manufacturer partnerships;Cost-Effective Alternatives - Domestic replacements for imported components
Success Cases
Case:Blade Depth Arm, Right Hand for John Deere Grain Drills AN282108 AN282109

By adopting the precision cast steel technology, the mechanical performance of the product is enhanced, and the surface quality is improved. Through heat treatment, the mechanical performance of the pin shaft is made more stable, the product quality is improved, and the market repurchase rate increases by 50%.

FAQ

1
Are You A Manufacturer, Trading Company, Or Wholesaler Of Agricultural Machinery Parts?
Changia is a professional manufacturer and gilobal wholesale distributor of agricultural machinery parts wih over 15 years ofexperience. We have ourown production faclities and a global supply chain, offering wholesale buyers factory-direct pricing, standard parts, and custom manufacturing solutions.
2
What Types Of Agricultural Machinery Parts Do You supply?
We supply a wide range of aoncultural machinery pants for john Deer, CH, CLAAS and other leading brands,incuding stanter rol sprockets, roler gears, drive hal sheaves, tractor spindles, hvdrauic pump drive shats,idler pulevs, planter gauge wheel arm kit, shaker arms and other key component, Our product line is reoularv updated to match the latest equipment models and market needs.
3
How Do You Control The Quality Of Your Agricultural Parts? And How Many People Are in The Quality Team?
We implement a strict 3-stage quality control process, including incoming raw material inspection, in-process production checks, and final pre-shipment inspection, to ensure every batch meets our quality requirements. Our professional quality assurance team has 15 members responsible for full-process quality supervision.
4
Will You Protect Our Local Market And Avoid Supplying To Our Direct Competitors?
For authorized and exclusive partners, we provide strict market protection. We will not supply your direct competitors in your exclusive region and maintain a sales channel management system to protect your market share and profit margins.
5
Which Well-Known Brands Do You Supply Agricultural Parts To?
Our manufacturing partners are factories that directly supply world-leading agricultural machinery brands, including John Deere, CH and CLAAS.
6
Do You Have Existing Customers In Our Region?
We have senved customers worldwide and strictly respect cien conidentiaity. Whle we cannot isclose specific customer names, we can provide case references
7
What Should l Do lf l Receive Defective, Wrong, Or Missing ltems?
If you receive defective,incorect, or missing items, contact our after-sales team within 7 working days of delivery with photos, videos, and order detais. We will investigate and resolve the issue within 5 working days, offering a free replacement or full refund with shipping costs covered by us.
8
Can I Visit Your Factory Or Warehouse?
Yes, we welcome wholesale clients and partners to visit our factory and warehouse. Please contact our sales team at least 5 working days in advance, and we will assist with itinerary planning and on-site reception.
9
Can We Customize Packaging, Logos, Or Private Labeling For Our Brand?
We offer full private labeling and custom packaging services for distribution partners with a registered trademark and authorization certificate. Services include custom packaging, logo printing, and branded labels to help you build your local brand identity and customer loyalty.
10
What Processes And Processing Methods Are Used For Your Agricultural Parts?
We adopt professional manufacturing processes suitable for agricultural machinery accessories, including precision casting, forging, CNC machining, heat treatment and surface treatment. Advanced processing equipment and standardized production procedures ensure the high strength, wear resistance and service life of parts.

Collaboration Steps

How Our 6-Step Collaboration Works for You?
Submit needs via form, phone or consultation
Technical solution and budget
proposal
Contract signing after confirmation
Detailed design and prototype creation
Internal testing and client verification Step
Quality-controlled mass production and delivery

About Us

Cooperation Starter Package Customized for Distributors
Get $5,000 Worth of Professional Services for Free:
✔ Inventory Analysis Report: Identify high-ROI product opportunities based on your sales data
Cost Savings Assessment: Detailed calculation of annual savings from partnering with ChangJia
Rapid Compatibility Testing: Ensure 100% product match with your existing customer needs
Sample Test Kit: $1,000 worth of best-selling product samples for free
Exclusive Pricing Plan: Tiered pricing system customized based on your purchase volume


● 5% Additional Discount on First Order
Free Global Sample Shipping (Usually $200 shipping fee)
30-Minute One-on-One Expert Consultation
Quarterly Business Review Meeting ($800 value per session)

Global Hotline: +86-173-8829-8203 (24/7)
📧 Distributor Hotline:  info@changjiaagr.com
💬 Instant Chat: Click online customer service in bottom right
🌐 Online Form: Fill out form below, dedicated response within 2 hours


编组@1x
30+
Experienced Employees
15
Experts and engineers
Factory Area
20+
Partner count
Contact Us For Free Sample!

Information Security: Client information strictly confidential, not shared with third parties

Rapid Response: Reply within 2 hours on workdays, 24 hours on holidays

Professional Service: Assigned account manager with 10+ years of experience

Worry-Free Trial: Unconditional return/exchange for unsatisfactory products

Customer service
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