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HPV75保持版 产品详情图 ps压缩版
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HPV75保持版 产品详情图 ps压缩版
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High-Precision Hydraulic Pump Retainer Plate (Part No. 708-1W-33340) for Komatsu PC60-7 & PC70-8 Excavators

Prevent catastrophic piston shoe separation and pump rotary failure with this brand-new 708-1W-33340 hydraulic pump retainer plate. Serving as the primary restraining fixture within the HPV75 pump rotary assembly, this plate ensures that all piston shoes maintain continuous, flush hydrodynamic contact with the swash plate throughout high-speed rotation. Manufactured from high-purity alloy steel with precision CNC lapping, it eliminates high-speed chatter, reduces frictional wear, and significantly extends the service life of your 6–8 ton excavator's primary hydraulic power unit.
  • High-Purity Alloy Structural Steel: Vacuum-tempered and through-hardened for maximum core yield strength, preventing structural bending and cracking under intense cyclic tension.
  • CNC Double-Face Super-Precision Grinding: Both surfaces are precision flat-lapped to sub-micron tolerances, ensuring uniform load distribution and seamless slipper movement
  • Micron-Calibrated Bore Tolerances: Piston shoe aperture diameters and spacing strictly adhere to OEM blueprints, preventing slipper play, wobble, or binding.
  • Direct Drop-in Fitment: Manufactured to exact factory specifications for flawless integration into HPV75 rotary group rebuilds.
公司介绍
Precision CNC Machining Center
Multi-axis CNC milling and dedicated double-disc lapping lines achieve sub-micron flatness and exact hole pitch tolerances, guaranteeing a zero-play, anti-vibration fit with piston slippers.
产品介绍
Rigorous Quality Control & Assembly Testing
Every retainer plate is 100% evaluated using magnetic particle inspection (MPI) for hidden fatigue cracks, alongside high-precision 3D coordinate measuring machines (CMM) to verify aperture dimensions prior to release.
物流图片
Heavy-Duty Rustproof & Wooden Crate Packaging
All precision parts are treated with industrial corrosion inhibitors, vacuum-sealed in VCI moisture-barrier film, securely cushioned within custom heavy-duty anti-shock packaging, and packed into export-grade boxes for safe international freight.
Brand
YIKAN
Origin
Guangdong, China
Product Name
Fan motor
Model
HPV75 Hydraulic Pump Retainer Plate
Part number
708-1W-33340
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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ps压缩版

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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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Hydraulic Equipment

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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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