45 Steel Agricultural Hydraulic Cylinders Flange Mounting Style For Combine Harvester
Product Information
Crafted from high-strength 45-grade steel, these hydraulic cylinders are specifically engineered to meet the rigorous demands of modern combine harvesters. The robust 45 steel construction ensures exceptional tensile strength and resistance to deformation, even under the extreme stress of heavy crop processing and field operation. Featuring a secure flange mounting style, these cylinders provide a stable and rigid connection, ensuring precise control and reliable operation of critical functions such as header height adjustment and reel control. Designed for durability and long service life, these cylinders are the ideal choice for keeping your harvesting equipment performing at peak efficiency.
Product Summary
Our agricultural hydraulic cylinders are high-performance, durable components tailored for farming equipment (tractors, harvesters, planters). Featuring hard-chrome plated rods (wear-resistant) and multi-layer seals (zero leakage), they deliver stable thrust (up to 50 tons) and precise control. Compatible with harsh farm environments (dust, moisture), they support custom strokes/sizes. With ROHS certification and 12-month warranty, they’re ideal for lifting, tilting, and adjusting agricultural machinery.
Product Parameter Table
| model | Cylinder inner diameter
(mm) | Cylinder pole diameter
(mm) | distance of run
(mm) | locating distance
(mm) | weight | | HSG40/25-100-330 | 40 | 25 | 100 | 330 | 3.5KG | | HSG40/25-200-430 | 40 | 25 | 200 | 430 | 4KG | | HSG40/25-300-530 | 40 | 25 | 300 | 530 | 5KG | | HSG40/25-400-630 | 40 | 25 | 400 | 630 | 6KG | | HSG40/25-500-730 | 40 | 25 | 500 | 730 | 7KG | | HSG40/25-600-830 | 40 | 25 | 600 | 830 | 8KG | | model | Cylinder inner diameter
(mm) | Cylinder pole diameter
(mm) | distance of run
(mm) | locating distance
(mm) | weight | | HSG50/30-100-340 | 50 | 30 | 100 | 340 | 4.5KG | | HSG50/30-200-440 | 50 | 30 | 200 | 440 | 5.5KG | | HSG50/30-300-540 | 50 | 30 | 300 | 540 | 6.5KG | | HSG50/30-400-640 | 50 | 30 | 400 | 640 | 8KG | | HSG50/30-500-740 | 50 | 30 | 500 | 740 | 9KG | | HSG50/30-600-840 | 50 | 30 | 600 | 840 | 10.5KG | | model | Cylinder inner diameter
(mm) | Cylinder pole diameter
(mm) | distance of run
(mm) | locating distance
(mm) | weight | | HSG63/35-100-340 | 63 | 35 | 100 | 370 | 7KG | | HSG63/35-200-440 | 63 | 35 | 200 | 470 | 8KG | | HSG63/35-300-540 | 63 | 35 | 300 | 570 | 10KG | | HSG63/35-400-640 | 63 | 35 | 400 | 670 | 11.5KG | | HSG63/35-500-740 | 63 | 35 | 500 | 770 | 13KG | | HSG63/35-600-840 | 63 | 35 | 600 | 870 | 15KG | | model | Cylinder inner diameter
(mm) | Cylinder pole diameter
(mm) | distance of run
(mm) | locating distance
(mm) | weight | | HSG80/50-100-340 | 80 | 50 | 100 | 400 | 13KG | | HSG80/50-200-440 | 80 | 50 | 200 | 500 | 15.5KG | | HSG80/50-300-540 | 80 | 50 | 300 | 600 | 18KG | | HSG80/50-400-640 | 80 | 50 | 400 | 700 | 20KG | | HSG80/50-500-740 | 80 | 50 | 500 | 800 | 23KG | | HSG80/50-600-840 | 80 | 50 | 600 | 900 | 26KG | | model | Cylinder inner diameter
(mm) | Cylinder pole diameter
(mm) | distance of run
(mm) | locating distance
(mm) | weight | | HSG100/63-100-340 | 100 | 63 | 100 | 500 | 25KG | | HSG100/63-200-440 | 100 | 63 | 200 | 600 | 28KG | | HSG100/63-300-540 | 100 | 63 | 300 | 700 | 31KG | | HSG100/63-400-640 | 100 | 63 | 400 | 800 | 34KG | | HSG100/63-500-740 | 100 | 63 | 500 | 900 | 37KG | | HSG100/63-600-840 | 100 | 63 | 600 | 1000 | 40KG |
Product Application
Agricultural hydraulic cylinders are widely used in tractors, harvesters, loaders, etc. They lift farm tools, tilt hoppers, and adjust agricultural machinery arm angles, enabling automated sowing, fertilizing, and harvesting. Boosting field work efficiency by over 30%, their dust-resistant and corrosion-proof features suit damp, muddy farm environments. They are core power components for modern agricultural mechanization.
Product Features
This agricultural hydraulic cylinder features a high-density steel cylinder body, offering excellent pressure and impact resistance, making it suitable for complex field operating environments. Internally equipped with wear-resistant seals, it effectively prevents hydraulic oil leakage and dust intrusion, extending the equipment's service life. The piston operates smoothly without jamming, allowing for precise control of the machinery's movement range. The standardized installation interface design greatly facilitates rapid assembly and maintenance, providing a reliable guarantee for the stable and efficient operation of modern agricultural machinery.
Production Theory
Based on Pascal's principle, agricultural hydraulic cylinders achieve linear reciprocating motion via hydraulic oil pressure transmission: The cylinder barrel (high-strength steel with precision grinding) and piston rod (hard chrome-plated) form a sealed chamber. When the hydraulic pump inputs pressurized oil, the piston is pushed by oil pressure to drive the rod’s extension/retraction, outputting thrust. Production involves welding, honing, and seal assembly; key processes include precision grinding of the cylinder inner wall (accuracy ≤0.02mm) and chrome plating of the piston rod for rust resistance. Finally, pressure testing (≥25MPa) ensures pressure resistance, suitable for heavy-load, dusty farm work scenarios.
Product Usage Instructions
- Fit & Install:Choose the matching mounting method (trunnion/flange) per the farm machine interface, and tighten the connectors;
- Oil Circuit Connection:Connect the agricultural hydraulic cylinder’s oil ports to the hydraulic system hoses of the farm machine, and check the seal;
- No-Load Debugging:Start the equipment, operate the piston rod to extend/retract 2-3 times without load to exhaust air and confirm smooth movement;
- Loaded Operation:Operate the control valve per the machine’s function (e.g., plow lifting), avoiding overloading beyond the rated thrust;
- Maintenance Check:Clean the cylinder after operation, regularly inspect seal wear and hydraulic oil level, and keep dust/water out.
Our Company
A trustworthy hydraulic expert with 12 years of industry experience, Hebei Runhe Hydraulic Machinery Co., Ltd. designs and supplies not only a full range of hydraulic cylinders but also custom-made non-standard variants. Included in our professional product range are high-performance hydraulic pumps and motors, fully compatible with major brands like Parker and Rexroth. Should you require reliable technical consultation or product solutions, our team stands ready to support you. Please feel free to contact us anytime.
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