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Professional Agricultural Machinery Components​ Manufacturer
Professional Chinese factory supplying OEM replacement agricultural machinery castings, forgings, transmissions & hydraulic replacement parts for John Deere, CASE, CLAAS, Massey Ferguson tractors, harvesters & cotton pickers. As an agricultural machinery components​ manufacturer, we can produce custom drawings for OEM & ready stock is available.
Professional Supplier of Standard Agricultural Machinery Parts
Professional Chinese factory supplying OEM replacement agricultural machinery casting, forging, transmission & hydraulic replacement parts for John Deere, CASE, CLAAS, Massey Ferguson tractors, harvesters & cotton pickers. Custom drawing OEM & ready stock available.
Agricultural Parts by Leading Agricultural Machinery Components Brands

As a professional agricultural machinery components​ manufacturer, we produce direct replacement aftermarket spare parts compatible with mainstream global agricultural equipment brands, with accurate OE number matching for easy installation.

John Deere Agricultural Parts
CASE Agricultural Parts
Cotton Picker Parts
John Deere Agricultural Parts
Full range of JD tractor, combine harvester & cotton picker transmission, hydraulic, casting and forging spare parts with standard OE numbers.
Gear Case AM136330 AUC10298 Fits John Deere X710 X730 1025R 2032R Tractor Gearbox Assembly
AM136330 gear case fits multiple John Deere lawn equipment and compact tractors. Manufactured to OEM-grade standards with premium materials, it features excellent wear and corrosion resistance.
Right-Hand Stalk Roll Knife H150690 Fits John Deere 443 444 643 644 693 Custom & Bulk Wholesale Available
H150690 is a right-hand stalk roll knife (right half blade), a core wear component for John Deere corn heads. It serves as a direct replacement for OEM part H150690 and fits a wide range of mainstream John Deere corn head models.
AA37552 Planter Closing Wheel Arm Fits John Deere Planter Parts Support Customization And Development
AA37552 Planter Closing Wheel Arm is a high-quality aftermarket replacement part compatible with John Deere planters.
AM143310 DE19086 Mower Deck Gear Box fits John Deere 425 445 455 48 54 60
This AM143310 Gear Case is made of high quality material, which are not easy to damage, wear-resistant corrosion-resistant, high reliability, stable performance, sturdy and durable, long service life.
Tie Rod Assembly RE568090 Fits John Deere 8020 8030 8R Series Custom & Bulk Wholesale Available
This Tie Rod Assembly RE568090 fits John Deere tractors, interchangeable with RE216822, RE216819 and other OEM numbers. Made of carbon steel, it delivers OEM-grade durability for heavy farm working conditions. Supported by ISO9001 certification and complete testing devices, we offer flexible surface treatments and custom machining per drawings or samples. Ideal for tractor spare parts distributors, wholesalers and farm machinery manufacturer worldwide.
CASE Agricultural Parts
Aftermarket wear parts for CASE IH tractors and harvesters, casting housing, forged shafts, hydraulic quick couplings in stock.
Heavy-Duty Telescoping Drive Shaft Assy 677847 Fits New Holland 256 258 259 Support Wholesale And Customization
677847 Telescoping drive shaft assy is a premium aftermarket replacement part engineered for New Holland agricultural equipment. Manufactured to OEM specifications with high-grade carbon steel, it delivers exceptional strength, wear resistance and stable performance for long-hour heavy-load field operations.
Heavy-Duty Control Lever 94811C3 Fits CASE IH OEM Replacement Custom & Bulk Wholesale Available
94811C3 Control Lever is a premium aftermarket replacement part engineered for CASE IH agricultural equipment.
Cotton Picker Parts
Professional cotton picker core mechanical replacement components compatible with John Deere picking machines.
Agricultural Machinery Components by Production Craft & Material

We support customized production per your drawings or samples via multiple metal processing technologies, suitable for heavy-duty farm working conditions.

Agriculture Machinery Casting Parts
Agricultural Forged Parts
Agricultural Welded & Stamped Parts
Agriculture Machinery Casting Parts
Custom ductile iron, gray iron and aluminum alloy castings for farm equipment. Product range covers brackets, gear housings and bearing seats for tractors, harvesters and cotton pickers. We provide professional OEM foundry services.
Pulley 87529708 Fits Case IH 2377 2388 2588 2577 6088 5088 7088 Support Customization And Wholesale
This heavy-duty straw chopper drive pulley (OE: 87529708) is a direct-fit replacement for Case IH combines including 2377, 2388, 2577, 2588, 5088, 5130 and 5140, and cross-references OEM numbers 411406A1 and 87529707.
Heavy-duty H97600 Combine Cleaning Fan Outer Sheave Fits John Deere 3300 4400 6600 7700 8820 Support Customization
The H97600 cleaning fan outer sheave is a direct OEM-spec replacement for John Deere combines, compatible with 3300, 4400, 4420, 6600, 6620, 7700, 7720 and 8820 models (8.375" OD, 1" bore). Built with premium cast iron to original factory standards, it guarantees exact drop-in fitment and exceptional structural durability.
Sheave Driver H139986 Fits John Deere 9650 9550S Support Customization And Wholesale
Direct OEM replacement matching John Deere combine specs with factory-grade precision and consistent quality. Rigid casting structure delivers outstanding wear resistance and stable power transmission under heavy harvesting loads.
Reel Pump Drive Pulley H132937 Fits John Deere Combines 9400 9410 9450 9500 9501 Support Customization And Wholesale
The H132937 reel pump drive pulley is a precision OEM-spec replacement designed for John Deere standard-capacity combines, compatible with 9400, 9410, 9500, 9510, 9600, 9650, 9750STS and related SH/CTS models. Built with premium cast iron, it ensures exact drop-in fitment and exceptional structural strength.
Separator Idler Pulley 87323202 Fits Case IH Combine Harvester 2377 2388 Support Customization And Wholesale
Separator idler pulley 87323202 Manufactured to match OEM dimensional and material standards, delivering genuine-equivalent quality and reliable interchangeability. Optimized for heavy-load continuous working conditions, it maintains stable performance under harsh environments and effectively extends equipment service life. As a factory supplier, we offer full customization and bulk wholesale, delivering durable, cost-effective wear parts for wholesalers and equipment manufacturers.
Agricultural Forged Parts
Heat-treated agricultural forged steel parts including drive shafts, gear blanks, connecting rods and pin shafts, high toughness for heavy-load tractor and harvester power transmission system.
Agricultural Welded & Stamped Parts
Custom stamped steel plates, welded integral frames and support brackets for agricultural equipment, laser cutting, bending and welding processing per customer drawings.
Separator Grate H201117 Fits John Deere 9650STS 9750STS Support Wholesale And Customization
Separator Grate H201117 for accurate model identification and perfect replacement. Manufactured to OEM equivalent standards with reliable quality guarantee. Designed to withstand harsh agricultural working conditions, featuring stable operation and outstanding wear resistance to reduce unexpected machine downtime.
Bracket H232417 Fits John Deere 660 670 9670 9770 S660 S670 S680 Support Customization And Wholesale
This heavy-duty structural support bracket H232417 is a direct-fit replacement for John Deere combines including 660, 670, 9670, 9770STS, 9870STS, S650, S660, S670, S680 and S690 series. Manufactured strictly to original factory specifications with premium precision-formed carbon steel, it delivers OEM-grade dimensional accuracy and reliable interchangeability.
Front Drawbar Support AL27203 fits John Deere 1020 2030 2040 2350 2355 2555 2755
AL27203 Front Drawbar Support, direct fit for John Deere tractors. Manufactured in accordance with OEM drawings to deliver OEM-grade quality and precise fitting. Constructed for heavy-duty farm operations, it features outstanding resistance to deformation and impact under continuous traction loads to minimize machine downtime.
Elevator Head Cover 238646A1 Fits Case IH 1480 1680 2188 2377 2388 2577 2588 Support Customization And Wholesale
This heavy-duty extended wear elevator head cover (OE: 238646A1) is a direct-fit replacement for Case IH combines including 1480, 1680, 1688, 2188, 2377, 2388, 2577 and 2588, and cross-references OEM numbers 198602A1 and 251464A1.
Functional Core Components for Agricultural Equipment

We produce direct replacement aftermarket spare parts compatible with mainstream global agricultural equipment brands, accurate OE number matching for easy installation.

Agricultural Transmission Parts
Agricultural Hydraulic Parts
Agricultural Electrical Parts
Agricultural Transmission Parts
Complete agricultural transmission spare parts including gears, drive shafts, sprockets, universal joints and gearbox assemblies, compatible with all brands of tractors and harvesters.
Corn Head Idler Sprocket AH231386 Fits John Deere 606、608、612 Support wholesale and customization
AH231386 Corn Head Idler Sprocket directly fits John Deere 606, 608 and 612 corn heads. Manufactured to OEM dimensional standards, it delivers genuine-level interchangeability as a direct replacement. Hardened gear teeth resist abrasion under heavy harvesting loads, stabilizing gathering chain tension to avoid slippage and lower machine downtime.
Rear Power Shaft Ring Gear fits John Deere 4555 4560 4755 4760 4850 4955 4960 R71753 Customization Supported
Part No. R71753 is a planetary ring gear directly compatible with John Deere 4555, 4560, 4650, 4755, 4760, 4850, 4955, 4960 tractors. Manufactured to OEM dimensional standards, it delivers original-grade precision and interchangeability. Heat-treated gear structure resists heavy torque, abrasion and fatigue under continuous farm workloads, lowering unexpected transmission downtime.
Ring Gear Hub R88213 Fits John Deere 4455, 7810, 7800, 7600 Support Wholesale And Customization
This R88213 MFWD Planetary Ring Gear Hub is a direct OEM replacement built for John Deere agricultural tractors. Manufactured to original factory specifications with premium alloy steel, it delivers identical fit, form and performance to genuine OEM parts.
Traction Clutch Hub R50346 Fits John Deere 4230 4240 4250 4255 4430 4440 Support Wholesale And Customization
R50346 Traction Clutch Hub is a direct OEM replacement for John Deere tractors. Manufactured to original dimensional specs with 19 internal splines and 48 external teeth, it delivers OEM-grade quality via precision forging and heat treatment.
Pinion Shaft Fits John Deere CE18278 Combine Harvester 9550 9550SH 9560 9560SH
CE18278 is a reliable aftermarket replacement component matching OEM reference CE18278. Manufactured to original equipment specifications, it delivers OEM-grade quality and precise fit. Built to withstand heavy-duty continuous working conditions, it maintains stable performance under high load and harsh operating environments.
Chain Vertical Auger Drive Sprocket AH146352 Fits John Deere Combine Harvesters Wholesale Agricultural Parts
The AH146352 vertical auger lower gearcase drive sprocket is a precision OEM replacement part engineered for John Deere combine harvester systems.It delivers stable power transmission and exceptional wear resistance for uninterrupted grain unloading operations under heavy harvesting workloads. As a direct manufacturing supplier, we offer bulk stock, technical support and customization services, making it ideal for agricultural parts distributors, farm equipment dealers
Corn Head Sprocket 13 Tooth AH143100 Fits John Deere 493, 494, 1293 Customization Supported
The AH143100 drive sprocket is a precision OEM replacement part engineered for John Deere 90-series corn header systems. Manufactured to strict original factory specifications with heat-treated high-strength steel, it delivers accurate chain meshing and reliable power transmission for consistent harvesting performance under heavy field workloads. As a direct manufacturing supplier, we offer bulk stock, technical support and flexible B2B services, making it the ideal choice for agricultural parts distributors, farm equipment dealers and professional harvesting service workshops.
Tailings Drive Sprocket Assembly AH130572 Fits John Deere 9400 9410 Combines Custom & Wholesale Available
The AH130572 lower tailings auger chain sprocket is a precision OEM replacement part engineered for John Deere combine harvester systems.
Sprocket AH116232 fits John Deere 9600 9610 9650 9650CTS 9660 9660CTS
The Sprocket AH116232 fits John Deer 9600/9610/9650/9650CTS/9660/9660CTS, offering good quality with premium materials and precision manufacturing. Engineered for durability in harsh conditions, it ensures reliable performance and long service life. B2B services include technical support and fast deliveries. As a factory supplier, we offer full customization and bulk wholesale, delivering durable, cost-effective wear parts for wholesalers and equipment manufacturers.
Double Sprocket AE54302 Fits John Deere 448 456 457 458 466 467 546 Custom & Wholesale Available
The AE54302 lower drive double roll sprocket is a precision-engineered OEM replacement part designed for John Deere baler systems. Built to meet and exceed original factory specifications with premium heat-treated alloy steel, it delivers exceptional wear resistance and stable power transmission for uninterrupted performance under heavy-duty field baling operations. As a direct manufacturing supplier, we provide bulk stock, technical support and flexible B2B services, making it an ideal choice for agricultural parts distributors, farm equipment dealers
Agricultural Hydraulic Parts
Leak-proof agricultural hydraulic parts including quick connectors, pipe fittings and valve accessories, matched for tractor lifting, steering and harvesting hydraulic systems.
R322903 Hydraulic Quick Coupler Fits John Deere Models 5045D 5045E Support Wholesale And Customization
The R322903 hydraulic quick coupler fits John Deere 5045D, 5075E, 5100M, 7R series and other tractor hydraulic auxiliary connections. Direct replacement for original RE322903, ideal spare part for farm machine maintenance and hydraulic pipeline modification.
Hydraulic Quick Coupler Plug RE71489 Fits John Deere Tractors 7600 8100 Wholesale and Customization
RE71489 hydraulic quick coupler (male plug) is a high-pressure hydraulic connecting plug purpose-built for John Deere tractors, serving as a standard replacement for the OEM RE71489. It adopts a flat-face seal ball lock structure and fits hydraulic output circuits of various medium and large John Deere tractor models.
High Pressure Hydraulic Quick Coupler Female Socket RE255758 Fit John Deere Tractors 5E 5M 6E
RE255758 hydraulic quick coupler (female socket) is a high-pressure hydraulic connector for John Deere tractors, OEM replacement for RE219421. Featuring a ball-lock seal design, it suits hydraulic circuits of various medium and large John Deere tractors.
9500 Series 1/2" Lever Coupler Break-Away Kit Fit Case IH 9210 9230 Custom & Bulk Wholesale Available
The 9500 Series 1/2" lever coupler break-away kit (Part No. 9500-4) is a Pioneer-style agricultural tractor clamp kit made of high-grade carbon steel.
Agricultural Electrical Parts
Custom agricultural electrical casting housings, fixed brackets and installation accessories for tractor and harvester electrical system assembly.
Strict Production Process & Quality Assurance for Agricultural Machinery Components

All agricultural spare parts are produced under a complete quality control system, from raw material inspection and CNC machining to heat treatment, surface treatment, and final pre-shipment inspection. As a professional agricultural machinery components​ manufacturer,

with 15 years of precision machining experience and a professional R&D team, we ensure stable dimensional accuracy, reliable material performance, and consistent quality for aftermarket agricultural replacement parts.

15 Years Professional Precision Machining Experience

Flexible Mass Production & Complete Technical Parameter Database

Professional R&D Team & Strict Dimensional Testing

Full Pre-Shipment Quality Inspection

High-Grade Raw Material Selection for Heavy-Duty Agricultural Machinery Components
The service life and load-bearing performance of agricultural machinery parts depend largely on raw material selection. We choose high-grade materials according to different working conditions, ensuring that parts can withstand heavy loads, impact, friction and harsh farmland environments.
Ductile Iron
Used for counterweights, wheel hubs and support brackets, featuring strong shock absorption and high mechanical strength.
Forged Steel
Applied on key stressed components such as drive rods and transmission shafts, excellent tensile strength & impact resistance for harsh farmland working environment.
Aluminum Alloy
For engine housings and lightweight structural parts, fast heat dissipation, corrosion resistance and weight reduction.
Frequently Asked Questions About Our Agricultural Machinery Components
1
Can you supply parts according to OEM OE numbers?
Yes, we support OE number matching for John Deere, CASE, CLAAS, MF tractors and harvesters, accurate interchangeable replacement parts.
2
Do you accept custom OEM production based on customer drawings or samples?
Definitely, our R&D team can process customized casting, forging and machining parts with your technical drawings or physical samples.
3
What materials can you produce for agricultural spare parts?
Ductile iron, cast iron, forged steel, aluminum alloy, stamped and welded steel parts are all available.
4
What is your minimum order quantity?
Small trial orders for stocked items are acceptable; bulk orders enjoy better unit price.
Contact Us for OEM Price Quotation
Experience seamless assistance from our team of Trade Account Managers with everything from quotes to delivery and everything in between for your project. 
OE Matching for Global Agricultural Brands
OEM Customization with Engineering Expertise
Strict Quality Inspection & Stable Supply
Fast Delivery with Technical Support
Get in Touch to Explore Our Tailored Solutions.
Contact Us
Contact Person: Cynthia

Email: info@changjiaagr.com

WhatsApp/Phone: +86 173 8829 8203

Address: Kunshan, Jiangsu Province, China

Customer service
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