China Leading Agricultural Machinery Parts Manufacturer Since 2006
China Leading Agricultural Machinery Parts Manufacturer | ChangJia
no data
what are the benefits
no data
Changjia Agr offers premium iron casting parts for John Deere agricultural machinery, including drive half sheave, hydraulic pump drive shaft, gauge wheel arm, spindle, idler support, and more. Manufactured with durable materials and strict quality control, our cast iron parts ensure stable performance, perfect fit, and long service life. We have been a reliable supplier of agricultural gearboxes and replacement parts, supporting tractors, planters, grain drills, and cornheads. Choose Changjia for cost-effective, high-quality iron casting components to keep your farm equipment running efficiently.
Part Number: DE20100 DE20101 DE19117
FOR JD COMBINE: - PC2180 130 CLEAN GRAIN ELEVATOR, GRAIN TANK AND UNLOADING AUGER
Transmission ratio ：1.152
Raw Material: aluminum alloy/Carbon Steel
FOR JD COMBINE: - PC2180 130 CLEAN GRAIN ELEVATOR, GRAIN TANK AND UNLOADING AUGER
Transmission ratio ：1.152
Raw Material: aluminum alloy/Carbon Steel
Raw Material:Carbon steel
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
CNC machine，Machining Center,Robot automatic line,Rocker drilling,CNC milling machine,Special Drilling Machine,Ultrasonic cleaner.
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
CNC machine，Machining Center,Robot automatic line,Rocker drilling,CNC milling machine,Special Drilling Machine,Ultrasonic cleaner.
High-quality fit for John Deere parts
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
CNC machine，Machining Center,Robot automatic line,Rocker drilling,CNC milling machine,Special Drilling Machine,Ultrasonic cleaner.
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
CNC machine，Machining Center,Robot automatic line,Rocker drilling,CNC milling machine,Special Drilling Machine,Ultrasonic cleaner.
High-quality fit for John Deere parts
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
Delivery Time for Samples:CNC：15-20 days for samples making
Spectrograph; Mechanical Test Equipment; Hardness Tester; Dye penetrant；Impact inspection；Salt spraying test；Roughness Tester; Dimension Checking Tools; M.T; U.T; CMM
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
Delivery Time for Samples:CNC：15-20 days for samples making
Spectrograph; Mechanical Test Equipment; Hardness Tester; Dye penetrant；Impact inspection；Salt spraying test；Roughness Tester; Dimension Checking Tools; M.T; U.T; CMM
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
no data
Changjia Agr is a leading manufacturer of high‑quality forged parts for agricultural machinery. Our product range includes precision‑forged components designed to withstand tough farming conditions, delivering exceptional strength, durability, and dimensional accuracy. Ideal for tractors, harvesters, and farm equipment, our forged parts ensure reliable performance, reduce maintenance costs, and minimize downtime. With advanced forging technology and strict quality control, Changjia provides customized solutions to meet your specific application needs. As a trusted supplier, we focus on consistent quality and on‑time delivery to support global agricultural businesses.
High-quality fit for John Deere parts
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
Delivery Time for Samples:CNC：15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
Delivery Time for Samples:CNC：15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
High-quality fit for John Deere parts
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
High-quality fit for John Deere parts
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
High-quality fit for John Deere parts
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
no data
Changjia Agr supplies premium drivelines, drive shafts and drive parts for agricultural machinery. Our sprockets, gears, bearings and drive components fit John Deere, Claas and other leading farm equipment. Made with durable materials and strict quality control, they ensure stable transmission, perfect fit and long service life to reduce downtime. As a professional agricultural parts manufacturer since 2005, Changjia provides reliable driveline solutions to keep your agricultural machinery running efficiently.
Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
High-quality fit for John Deere parts
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
High-quality fit for John Deere parts
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
CNC machine，Machining Center,Robot automatic line,Rocker drilling,CNC milling machine,Special Drilling Machine,Ultrasonic cleaner.
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
CNC machine，Machining Center,Robot automatic line,Rocker drilling,CNC milling machine,Special Drilling Machine,Ultrasonic cleaner.
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
High-quality fit for John Deere parts
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
no data
Changjia is a professional manufacturer of hydraulic parts for agricultural machinery. We supply high-quality hydraulic quick couplers, sockets, breakaway couplings, and manifold components compatible with John Deere, CLAAS, and other leading tractor and combine models. Our products feature reliable performance, perfect fit, and durable construction to meet global agricultural equipment maintenance and replacement needs.
High-quality fit for John Deere parts
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
High-quality fit for John Deere parts
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
High-quality fit for John Deere parts
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
High-quality fit for John Deere parts
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
no data
Except for these items above, we also manufacture Electrical Parts，Clutch & Flywheel Parts，Cotton Picker & Stripper Parts，and Welding & Stamping
High-quality fit for John Deere parts
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
High-quality fit for John Deere parts
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
High-quality fit for John Deere parts
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
High-quality fit for John Deere parts
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
Raw Material: Iron Castings / Steel Castings/Forged/Weldings
15-20 days for samples making
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;
no data
Customer Reviews
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
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
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
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
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
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
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
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
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
no data
Discover Our innovative Hydraulic Agricultural Machinery Parts Projects
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.
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.
no data
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.
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.
no data
Partners
Trusted by Well-known Cooperative Partners
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.
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.
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
Performance Upgrade- Enhanced durability, lightweight design, and efficiency optimization; OEM/ODM Services - Complete machinery manufacturer partnerships;Cost-Effective Alternatives - Domestic replacements for imported components
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%.
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%.
no data
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.
no data
Collaboration Steps
no data
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
no data
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
Copyright © 2026 CHANGJIA COMPANY