Agricultural Chain
High-Performance Agricultural Chain Solutions for Modern Farming Machinery
As an established industrial chain supplier for international agricultural equipment manufacturers and aftermarket distributors, we specialize in engineering high-durability agricultural chain assemblies built to withstand severe field conditions, high shock loads, abrasive soils, and seasonal idle corrosion.
Integrating premium alloy steel selections, advanced anti-corrosion surface treatments (such as Dacromet plating), and specialized debris-shedding geometries, our products provide reliable power transmission for combine harvesters, corn headers, rice transplanters, seeders, and tractor PTO drives. Partner with us for ISO-compliant manufacturing, custom OEM branding, and dedicated peak-season inventory support designed to minimize harvest downtime.
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![S Type Agricultural Machinery Chain]()
S Type Agricultural Machinery ChainS-type steel agricultural chains are widely used for farm machinery, harvesters, conveyors and field transport equipment. Below are mainstream specifications classified by pitch and model.read more -
![A Type Steel Agricultural Chains]()
A Type Steel Agricultural ChainsType A agricultural chains are widely used on harvesters, farm conveyors and general agricultural machinery. Below are regular models sorted by pitch, including standard chains and attachment types.read more -
![CA Type Steel Agricultural Chains]()
CA Type Steel Agricultural ChainsProduct name：CA type steel agricultural chainsread more
Rows : Simplex
Product number：CA627 CA550 CA555 CA557 CA620 CA2060
Pitch range:30mm-38.1mm
Product grouping：agricultural... -
![O-ring Agricultural Chain]()
O-ring Agricultural ChainOperating Temp Range：-20°C to +100°C (-4°F to 212°F)read more
Dust, Mud & Water Resistance：Excellent
Chemical & Oil Resistance：Good
Application：Standard combines, balers,... -
![Rice Harvester Chain]()
Rice Harvester ChainProduct name：Rice Harvester chainread more
Product number：3358T/3322/3325/3330/3340/3350/3358/3318T/3322T/3325T/3330T/3358T
Use：Rice harvesting machinery/Agricultural machinery after-sales... -
![Combine Chains C210AF1]()
Combine Chains C210AF1Chain No.: Combine Feeder House Chainread more
Type: Agricultural Combine Roller Chain (with AF1 attachments)
Standard: ISO / ANSI / GB
Application: Combine harvesters, feeder houses,... -
![S38 Series Agricultural Conveyor Chain]()
S38 Series Agricultural Conveyor ChainChain No.: S38 Series Steel Agricultural Conveyor Chains (S38, S38R, S38HP) & Sprockets | H&H Chainread more
Type: Heavy duty agricultural roller chain for combines, corn harvesters, grain conveyors...
Key Features
Designed specifically for the rigorous demands of outdoor agricultural environments, our agricultural chain lines incorporate critical structural and metallurgical features:
Superior Corrosion & Season-End Rust Resistance
Treated with advanced anti-corrosion coatings (such as Dacromet or zinc-nickel plating), our chains withstand prolonged exposure to morning dew, chemical fertilizers, and moisture during seasonal idle periods, passing over 500 hours of neutral salt spray testing without red rust formation.
Anti-Clogging & Debris-Shedding Design
Optimized pin-to-bunch clearances and specially contoured sidebars prevent damp soil, crop residues, and mud from packing into the articulation zones, reducing joint binding risks during wet-field harvesting.
High Impact & Shock Load Toughness
Fabricated from selected alloy steel with controlled core-to-surface hardness ratios, the components absorb severe cyclic loads encountered when harvesting uneven terrain or dense crop tangles.
Factory Pre-Lubrication & Sealing
Assembled with high-tack, water-resistant synthetic lubricants that penetrate deep into pin-bushing contact surfaces, preventing wash-out during heavy rain or irrigation exposure.
Technical Specifications
Our agricultural chains are manufactured to strict international standards (ISO, ASA/ANSI, and DIN), ensuring seamless compatibility and interchangeability with major global machinery brands.
| Technical Parameter | Standard Range / Specification | Engineering & Field Significance |
|---|---|---|
| Chain Pitch Range | 0.375 in (9.525 mm) – 3.000 in (76.20 mm) | Covers light metering drives to heavy-duty header and feeder applications |
| Ultimate Tensile Strength (UTS) | 14 kN – 220 kN (Dependent on Pitch & Series) | High breaking load margins prevent catastrophic snap failures under shock loads |
| Pin / Bushing Hardness | 58–62 HRC (Case Depth: 0.8–1.5 mm) | Surface hardness resists internal wear caused by abrasive fine sand and dirt |
| Corrosion Resistance | 500+ Hours Neutral Salt Spray (ASTM B117) | Protects exterior and joint surfaces from oxidation and fertilizer pitting |
| Pre-Lubrication Type | High-Viscosity Synthetic Food-Grade / Anti-Washout Oil | Resists moisture displacement during wet harvesting operations |
Primary Industrial Applications
Our agricultural chains provide dependable power transmission across critical farming machinery sectors:
Precision Manufacturing Process & Quality Control
To guarantee dependable field performance during critical harvest windows, every batch of agricultural chain undergoes a stringent multi-stage production protocol:
High-Grade Alloy Steel Sourcing
Utilizing certified carbon and alloy steel bars (such as 40Cr and 20CrMnTi) with controlled grain structures to ensure uniform baseline strength.
Precision Stamping & Blanking
Link plates are punched on high-tonnage automated presses, maintaining tight pitch tolerances (within ±0.03 mm) for smooth sprocket engagement.
Controlled Thermal Carburizing
Pins and bushings undergo computer-monitored gas carburizing and induction hardening to create a hard outer shell paired with a ductile shock-absorbing core.
Anti-Corrosion & Pre-Loading
Components undergo specialized dip-spin Dacromet coating, followed by pre-stretching to 30% of WLL to eliminate initial bedding elongation.
Agricultural Chain vs. Standard Industrial Roller Chain
While standard industrial roller chains excel in clean, indoor factory environments, agricultural machinery demands specialized agricultural chain engineering:
Optimized for Open-Air Contamination
Unlike standard grease-attracting drives, agricultural chains feature engineered internal clearances and protective surface finishes designed to shed mud, sand, and crop chaff.
Enhanced Chemical & Season-End Durability
Resists nitrogen fertilizers and acidic silage juices, extending service life by 2–3 times and preventing rust lock during off-season outdoor storage.
FAQ
Q1: How do these agricultural chains prevent mud and fine sand from packing into the joints and causing seizure?
A: We utilize optimized pin-bushing radial clearances and smooth sidebar profiling that naturally flex and dislodge packed soil during sprocket engagement, preventing grit lockup.
Q2: Can these chains operate effectively in wet paddy fields during rice harvesting?
A: Yes. Water-resistant synthetic anti-washout lubricants combined with corrosion-resistant coatings prevent moisture penetration and premature rust-seizure in flooded fields.
Q3: What maintenance is required after operating in dusty grain-handling environments?
A: We recommend periodic clearing of chaff debris using compressed air followed by the application of a penetrating, non-ticky dry lubricant or light synthetic oil.
Q4: Do these chains stretch rapidly during their initial operational hours?
A: No. Every chain undergoes a controlled factory pre-stretching process at 30% of ultimate load, setting initial joint seating and minimizing operational elongation.
Q5: Are specialized attachments available for custom crop-harvesting mechanisms?
A: Yes, we supply custom-welded attachment links, extended pins, and flight brackets manufactured precisely to your engineering drawings.
Q6: What is the expected anti-rust lifespan of your Dacromet-coated agricultural chains during off-season storage?
A: When stored under standard warehouse conditions, our treated chains resist red rust formation for over 3 to 5 years, ensuring ready-to-use reliability when pulled from inventory.
Q7: How many hours of salt-spray testing do your anti-corrosion coatings withstand?
A: Our standard agricultural protective finishes endure over 500 hours of continuous neutral salt spray testing (ASTM B117) before initial substrate oxidation appears.
Q8: Will fertilizer residue or crop silage acids corrode the link plates?
A: The barrier properties of our metallic-zinc and Dacromet composite coatings isolate the underlying alloy steel from direct chemical attack by organic acids and fertilizers.
Q9: Do high-temperature field conditions degrade the factory lubrication?
A: We use high-drop-point synthetic lubricants formulated to remain stable and viscous across ambient operating temperatures ranging from -20°C to 120°C.
Q10: Are stainless steel options available for highly corrosive fertilizer spreader applications?
A: Yes, we offer full 304 and 316 series stainless steel agricultural chains for extreme chemical exposure environments where carbon steel is unsuitable.
Q11: Which major agricultural machinery brands are your chains compatible with?
A: Our chains are dimensionally interchangeable with OEM specifications for leading global machinery brands, including John Deere, Case IH, New Holland, Claas, Kubota, and AGCO.
Q12: How do I verify if a worn chain needs immediate replacement?
A: Measure the length across 10 to 20 pitches under light tension. If overall elongation exceeds 1.5% to 2% compared to nominal length, replacement is recommended to prevent sprocket tooth damage.
Q13: Can I replace an ANSI standard roller chain on a combine with your agricultural chain?
A: Provided the pitch, roller diameter, and width dimensions match, our chains drop directly into existing sprockets while offering superior environmental protection.
Q14: Do you offer custom pitch sizing for antique or specialized regional farm equipment?
A: Yes, our engineering team supports custom sample analysis and reverse-engineering for non-standard or legacy agricultural machinery.
Q15: What tolerances are maintained during sprocket-matching calculations?
A: We maintain strict pitch circle diameter (PCD) and tooth-profile tolerances conforming to ISO/ANSI standards to ensure smooth meshing and reduced noise.
Q16: What is your seasonal stocking and emergency supply policy for distributors?
A: We maintain dedicated regional safety stock buffers and run a "Green Channel" fast-dispatch protocol for high-demand harvest season replacement parts.
Q17: What is the typical lead time for custom OEM agricultural chain orders?
A: Standard catalog items ship within 7 to 14 days, while custom-engineered chains with specialized attachments typically require 3 to 4 weeks of production time.
Q18: What is the Minimum Order Quantity (MOQ) for custom-branded packaging?
A: We offer flexible MOQ terms for private-label box printing and custom laser-etched branding to support growing distribution partners.
Q19: What export packaging is utilized to protect chains during ocean freight transit?
A: Chains are coated with heavy rust-inhibitor oil, sealed in heavy-duty VCI (Vapor Corrosion Inhibitor) bags, and packed into reinforced export-grade wooden crates or cartons.
Q20: How can I request Mill Test Reports (MTR) for my purchase order?
A: MTR documents detailing material heat numbers, hardness test results, and breaking load verification are automatically included with your digital shipping documents upon dispatch.
Ready to Source High-Performance Agricultural Chains?
Share your technical specifications, combine models, or application requirements, and our engineering team will respond within 12 hours.
Contact Our Engineering Sales TeamAnhui Huihuang Chain Transmission Co., Ltd. is one of the most professional agricultural chain manufacturers and suppliers in China, also supports high quality customized service. Please feel free to buy discount agricultural chain made in China here from our factory. Welcome to contact us for pricelist and free sample.