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PC850 8中心轴产品详情图 ps压缩版
PC850 8结构图 (1)
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独立站产品详情介绍图
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PC850 8中心轴产品详情图 ps压缩版
PC850 8结构图 (1)
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独立站产品详情介绍图
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High-Precision Hydraulic Pump Center Shaft (708-2K-11810) for Komatsu PC800-8 & PC850-8 Mining Excavators

Prevent catastrophic internal rotary failure in your heavy mining excavator with this brand-new 708-2K-11810 hydraulic pump center shaft. Operating as the central axis for the pump's cylinder block and ball guide, this pin must absorb the constant, heavy preload of the return springs while maintaining absolute structural straightness. A worn or bending center pin will cause the cylinder block to tilt, leading to instant pressure loss and massive internal friction. CNC-machined for absolute concentricity, our heavy-duty center shaft guarantees smooth, stable, and high-speed rotation in the most demanding 80-85 ton quarry environments.
  • High-Purity Alloy Structural Steel: Forged from premium-grade alloy steel and through-hardened (quenched and tempered) to withstand immense internal preload forces and prevent shaft bending.
  • CNC Super-Precision Grinding: The outer diameter and circlip grooves are micro-ground to sub-micron tolerances, ensuring zero-play fitment with the rotary cylinder and ball guide.
  • Optimal Concentricity: Eliminates high-speed wobble and centrifugal deflection, maintaining perfect alignment of the rotary group under extreme mining operations.
  • Direct Drop-in Fitment: Manufactured to strict heavy-duty factory blueprints for seamless integration and reliable rebuilding of large mining excavators.
公司介绍
Source Manufacturing Authority
Operating directly as a premier source factory, we specialize exclusively in mechanical accessories and complex hydraulic pump systems. By cutting out trading middlemen, we deliver precision-engineered internal components at aggressive wholesale pricing directly to global buyers.
产品介绍
Rigorous Quality Control & Assembly Testing
100% evaluated using laser-guided concentricity analyzers, optical comparators, and magnetic particle inspection (MPI) for fatigue cracks before dispatch.
物流图片
Heavy-Duty Rustproof & Wooden Crate Packaging
All shafts are treated with industrial-grade corrosion inhibitors, wrapped in VCI moisture-barrier film, packed securely in anti-shock cylindrical tubes, and boxed in export-grade wooden crates for safe ocean or air freight.
Brand
YIKAN
Origin
Guangdong, China
Product Name
Fan motor
Model
PC850-8 Hydraulic Pump Center Shaft
Part number
708-2K-11810
Application field
Bulldozer
Warranty/Spare Parts
Six months
Quality
High guarantee
Status
100% new
Minimum order quantity
1 piece
PRODUCTS

PRODUCTS

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High-Torque Hydraulic Main Pump Shaft (Part No. 708-2G-12111) for Komatsu PC300-7 & PC360-7 (HPV140 Pump)

Premium heavy-duty hydraulic main pump front drive shaft (splined input shaft) engineered for HPV140 and HPV132 series variable displacement axial piston pumps. Direct replacement for part number 708-2G-12111 (interchangeable with 708-2G-12110), built as the primary power input interface to transfer continuous heavy engine torque directly to the rotating cylinder block in 30–36 ton class excavators.
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Heavy-Duty Hydraulic Main Pump Swash Plate / Cradle (Part No. 708-2H-04690 / 708-2H-04680) for Komatsu PC400 & PC450 Series (HPV145 Pump)

Premium heavy-duty hydraulic main pump swash plate (swash plate cradle / cam plate assembly) engineered for HPV145 series swash plate axial piston pumps (front and rear pump compatible). Direct replacement for part number 708-2H-04690, built to sustain continuous multi-ton axial thrust loads from all 9 piston shoes while delivering seamless angular deflection for variable displacement control in 40–45 ton class heavy excavators.
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Heavy-Duty Hydraulic Pump Cylinder Block (Part No. 708-2H-04620) for Komatsu PC400 & PC450 Series (HPV145 Pump)

Premium heavy-duty hydraulic main pump cylinder block (pump barrel / rotary cylinder assembly) engineered for HPV145 series swash plate axial piston pumps. Direct replacement for part number 708-2H-04620, built with centrifugally cast bimetallic copper alloy bushings to guide 9 reciprocating high-pressure pistons and maintain a hydrodynamic seal against the valve plate in 40–45 ton class heavy excavators.
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High-Precision Hydraulic Main Pump Valve Plate (Part No. 708-2H-04750 / 708-2H-04760) for Komatsu PC400 & PC450 Series (HPV145 Pump)

Premium heavy-duty hydraulic main pump servo slider block (variable displacement slide block) engineered for HPV145 series axial piston pumps. Direct replacement for part number 708-2H-34150 (7082H34150), built to transmit heavy cyclic servo piston forces to the swash plate tilt pin for precise, rapid displacement regulation in 40–45 ton class heavy excavators.
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News

News

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11/ September

How to Test an Excavator Main Control Valve Before Installation

How to Test an Excavator Main Control Valve Before Installation
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How to determine whether to choose original factory parts or aftermaket parts

The decision of whether to use original parts or aftermarket parts is not solely based on price
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Read excavator valve symptoms, pressure checks, spool wear signs, and pilot signals to decide whether repair, remanufacture, or replacement will cut downtime fast.
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What We Do

Services we Offer

No matter what your hydraulic maintenance needs may be, we’re here to help. Contact us today to learn more about our
services and how we can assist you with all of your needs.
Processing

Processing

With years of experience in the processing industry, we offer full-chain customized processing services with our mature production system and stringent quality control standards! Whether you are conducting small-batch trial production of new products, large-scale OEM manufacturing, or customized processing of personalized products, you can enjoy a one-stop service from demand matching to finished product delivery, helping your products to be launched efficiently and quickly to the market. We boast an experienced production team and a modern processing workshop, proficient in various OEM processes including machining, stamping, injection molding, and assembly. We can adapt to the needs of various materials such as metal, plastic, and rubber, perfectly matching diverse industry scenarios including electronics, automotive parts, household goods, hardware tools, and medical devices. From product drawing analysis and processing technology planning to process execution, precision control, and finished product inspection, every step strictly adheres to industry standards, ensuring that the processed products meet precision standards, have stable quality, and strong consistency, effectively reducing your production and operating costs.
Casting

Casting

With years of experience in the casting industry, we provide core casting solutions for your product manufacturing with our exquisite craftsmanship and rigorous quality control! Whether you are developing new products through casting, mass production with casting support, or developing customized castings, you can enjoy exclusive casting services throughout the entire process, helping your products seamlessly transition from design to mass production delivery. We boast a team of experienced casting engineers and a modern casting workshop, proficient in various casting processes such as sand casting, die casting, and precision casting. Our capabilities adapt to diverse material requirements, including cast iron, cast aluminum, cast copper, and stainless steel, perfectly matching the needs of multiple industries such as machinery manufacturing, automotive parts, construction machinery, hardware tools, and medical devices. From product drawing analysis and casting process optimization to mold making, casting, subsequent processing, and quality inspection, every step strictly adheres to international casting standards, ensuring high precision, sufficient strength, and stable performance of castings, effectively enhancing the core competitiveness of our products. We offer dedicated one-on-one service throughout the entire process, responding promptly to your needs and accelerating project progress, so you don’t need to worry about technical barriers or production delays. Professional mold making services – choosing us means choosing an efficient, reliable, and worry-free partner to help your products quickly capture the market.
Abrasive tools

Abrasive tools

With years of experience specializing in abrasive molds, we leverage our expertise to ensure the smooth mass production of your products! Whether you’re developing new products, adapting them for mass production, or upgrading existing molds, you can enjoy a full-process customized abrasive mold development service. We have a team of experienced engineers who strictly adhere to industry standards at every stage, from product drawing analysis and mold structure optimization to mold processing and trial molding. We utilize advanced production equipment and high-quality raw materials to ensure high precision, long lifespan, and stable molding, effectively reducing your production losses. We offer dedicated one-on-one service throughout the entire process, responding promptly to your needs and accelerating project progress, so you don’t need to worry about technical barriers or production delays. For professional mold making, choosing us means choosing an efficient, reliable, and worry-free partner to help your products quickly capture the market!
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We have our own R&D and production team that supports small batch customization and sample processing related to hydraulic maintenance.

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