Kawasaki K7V125 Hydraulic Pump for Excavator spare parts

Kawasaki K7V125 Hydraulic Pump for Excavator spare parts Featured Image
  • Kawasaki K7V125 Hydraulic Pump for Excavator spare parts
  • Kawasaki K7V125 Hydraulic Pump for Excavator spare parts
  • Kawasaki K7V125 Hydraulic Pump for Excavator spare parts
  • Kawasaki K7V125 Hydraulic Pump for Excavator spare parts
  • Kawasaki K7V125 Hydraulic Pump for Excavator spare parts

Short Description:

The K7V63 hydraulic pump is a high-efficiency upgraded variable displacement plunger pump, serving as the original core power component for 12–15 ton small-medium excavators.

Product Detail

Product Tags

description

The K7V125 hydraulic pump adopts an upgraded reinforced integrated swash plate variable structure, with core friction pairs including plunger, cylinder block and valve plate processed by high-precision mirror grinding technology. The internal assembly clearance is controlled at micron-level precision, effectively reducing friction loss during long-term medium-heavy load circulation operation and comprehensively improving wear resistance and pressure holding stability. The internal flow channel adopts fluid dynamic optimization design, which reduces hydraulic circulation resistance and heat accumulation, realizing rapid heat dissipation and stable power output during long-hour continuous medium-heavy duty construction. The pump body is integrally cast with high-strength thickened alloy cast iron, featuring excellent compression resistance, vibration resistance and structural rigidity, adapting to complex working conditions such as frequent load switching, dust and muddy water erosion of medium-large tonnage excavators.

product parameters

Product Model: K7V125 Hydraulic Main Pump
Product Type: Swash Plate Variable Displacement Plunger Pump
Applicable Equipment: 20–25 Ton Medium-Large Excavators
Structural Features: Reinforced Integrated Structure, Micron-Precision Friction Pair, High-Efficiency Variable Adjustment, Low Heat Generation, Strong Medium-Heavy Load Resistance
Core Material: High-Strength Thickened Alloy Cast Iron Shell + High Wear-Resistant Alloy Core Components
Working Performance: Stable Medium-High Pressure Holding, Fast Compound Action Response, Low Comprehensive Fuel Consumption, Excellent Continuous High-Temperature Stability
Core Functions: Provide Sufficient Large-Flow Hydraulic Power, Support Smooth Medium-Heavy Load Compound Operations, Improve Large-Scale Earthwork Construction Efficiency
Applicable Scenarios: Large Earthwork Backfilling, Deep Foundation Excavation, Slope Trimming, Municipal Heavy-Duty Engineering, Large-Scale Rural Infrastructure
Matching Parts: Medium-Large Excavator Main Control Valve, Heavy-Duty Hydraulic Pipeline, Pilot Pump, Gear Pump Assembly

advantages

  • K7 High-Efficiency Variable Technology, Lower Comprehensive Energy Consumption: Adopting upgraded K7 series intelligent variable logic, different from the fixed bias structure of traditional K3V112 pumps, the K7V125 dynamically matches flow and pressure according to medium-heavy load changes. It effectively reduces invalid power loss during idle and light-load stages, achieving lower overall fuel consumption while ensuring sufficient heavy-load power, bringing long-term energy-saving benefits for large earthwork projects.
  • 125ml/r Large Displacement, Sufficient Medium-Heavy Load Power Reserve: With 125ml/r large-flow standard displacement, the pump provides stronger hydraulic output than K3V112 pumps. It thoroughly solves the problems of insufficient digging force and slow operation speed of old pumps in deep excavation and large-volume earthwork stacking, ensuring stable and efficient output for daily medium-heavy duty operations of 20–25 ton excavators.
  • Optimized Flow Channel Structure, Excellent Continuous Heat Resistance: The upgraded internal flow channel greatly reduces hydraulic resistance and heat accumulation. Even after long hours of non-stop medium-heavy load construction, the oil temperature rises gently without power limitation or efficiency attenuation, avoiding frequent shutdown and maintenance caused by hydraulic overheating of traditional pumps.
  • Micron-Level Wear-Resistant Core, Long-Term Stable Pressure Holding: Core friction pairs adopt high-hardness wear-resistant alloy + mirror precision grinding process, with ultra-low internal wear rate. It fundamentally eliminates common faults such as internal leakage, pressure drop and linkage unsmoothness under long-term cyclic medium-heavy load, keeping the hydraulic system in stable working condition all year round.

FAQ

  • Q1: What tonnage of excavators does the K7V125 pump fit?
  • A: The K7V125 hydraulic main pump is specially designed for 20–25 ton medium-large excavators, focusing on medium-heavy load large earthwork, foundation excavation and municipal heavy-duty construction scenarios, with strong compatibility with mainstream 20/22/24/25 ton equipment models.
  • Q2: What symptoms mean the K7V125 pump needs replacement?
  • A: If the excavator has weak medium-heavy load digging, slow full-machine compound linkage, obvious power attenuation after long-hour operation, frequent hydraulic pressure drop and abnormally high oil temperature, the original main pump is severely worn and fails to hold pressure, requiring timely replacement.
  • Q3: Is equipment modification required for installation?
  • A: No modification needed. The K7V125 pump strictly follows OEM medium-large tonnage standards with fully consistent hole positions and pipeline interfaces, supporting plug-and-play direct installation for rapid on-site maintenance and overhaul.
  • Q4: What is the difference between K7V125 and K3V112 pumps?
  • A: The K7V125 has larger displacement, smarter variable control, lower fuel consumption and better high-temperature stability, suitable for 20–25 ton medium-heavy duty excavators. The K3V112 has insufficient power reserve and poor continuous heat resistance, prone to high-temperature attenuation in long-hour heavy-load operation.
  • Q5: How to maintain the K7V125 pump to extend service life?
  • A: Regularly replace qualified high-grade hydraulic oil and filter elements to keep the oil circuit clean. Avoid long-term full-load overload operation. Regularly inspect high-pressure pipeline leakage and blockage to ensure stable hydraulic circulation and delay core component aging.

warehouse

We have built four spare parts warehouses in Xuzhou, Jining, Kunshan and Changsha to provide customers from all over the world with a variety of high-quality spare parts. We can basically ship self-provided spare parts within three days after confirming the order. If the spare parts need to be adjusted or processed, they will be shipped within 7-30 days.

our warehouse

our warehouse

Pack and ship

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