Name: Direct Factory Sales Excavator Piston Pump K7V63DTP-9N0E for XE150 ZE150E JCM913DHydraulic Pump Excavator Pump Part
Brand: Lanzhou Fudong Guangqi Trading Co., Ltd
SKU: K7V63DTP-9N0E
Availability: InStock

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Direct Factory Sales Excavator Piston Pump K7V63DTP-9N0E for XE150 ZE150E JCM913DHydraulic Pump Excavator Pump Part

Excavator piston pump K7V63DTP-9N0E

Hydraulic pump for XE150 excavator

Excavator pump part with warranty

Place of Origin:

China

Model Number:

K7V63DTP-9N0E

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Product Details

Color:

Red

Application:

XE150 ZE150E

Material:

Iron

Highlight:

Excavator piston pump K7V63DTP-9N0E

Hydraulic pump for XE150 excavator

Excavator pump part with warranty

Payment & Shipping Terms

Minimum Order Quantity

1 Pc

Packaging Details

Carton

Delivery Time

3-15days

Payment Terms

T/T

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guangqi334@gmail.com

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Product Description

Direct Factory Sales Excavator Piston Pump K7V63DTP-9N0E for XE150 ZE150E JCM913DHydraulic Pump Construction Machinery Part

Operational Purpose

Hydraulic main pump constitutes the prime power source of excavator hydraulic system. Driven mechanically by engine output, it accomplishes energy conversion from mechanical form to high-pressure hydraulic energy, providing pressurized working fluid for all executive hydraulic components including boom cylinder, arm cylinder, bucket cylinder, travel and swing motors.

Product Category

Axial variable displacement piston pump dominates the excavator industry. Medium and heavy-duty excavator configurations adopt monoblock tandem main pump assembly, whose rear end is assembled with integrated pilot gear pump.
Tandem main pump features two separate pumping chambers with rated working pressure 28–35MPa for independent oil feeding and composite action implementation. The attached pilot pump operates under 3~4MPa low pressure and low flow to supply pilot control medium for pilot operating levers and main control valve spool driving.

Structural Composition

Pump casing plus cylinder block assembly accommodates a set of plungers which complete oil intake and pressurization synchronously with main shaft rotation. Swash plate angular variation changes plunger stroke and volumetric displacement of pump unit. Externally fitted regulator manipulates swash plate inclination via pilot hydraulic signal. Greater inclination equals larger displacement, higher flow rate and faster executive movement; reduced inclination decreases flow consumption and avoids engine overload shutdown. Valve plate performs flow distribution and physical isolation between low-pressure inlet cavity and high-pressure delivery cavity.

Three Control Mechanisms

Constant power regulation decreases pump displacement proportionally as load rises to optimize power utilization and eliminate engine stall risk. Load sensing control matches output flow with real-time system demand and maintains small displacement under no-load working condition for energy conservation. Pressure cutoff control rapidly reduces displacement to minimal value when system pressure reaches threshold value to prevent hose and cylinder burst from overpressure.

Common Defect Analysis

Piston/valve plate abrasion-induced internal leakage or regulator jamming leads to insufficient output flow and sluggish whole-unit motion. Regulator stuck at maximum displacement triggers excessive oil supply, engine overload, stall and black exhaust emission. Excessive internal leakage converts hydraulic power loss into thermal energy and causes abnormal fluid temperature rise. Air entrainment, insufficient lubricant or damaged inner bearing/plunger components are primary contributors to abnormal pump vibration and noise.

Routine Maintenance Specification

Periodic replacement of hydraulic medium and filter elements avoids abrasive particle damage on precision friction parts; tight sealing of suction piping prevents air infiltration and operational jitter; hydraulic oil must stay at specified liquid level to avoid premature pump breakdown.

Machinery Test Report	Provided	Warranty	3 Months
Video outgoing-inspection	Provided	Brand Name	OEM
Place of Origin	China	Product Name	Hydraulic Pump
Model	K7V63DTP-9N0E	MOQ	1 Piece
Quality	High-Quality	Delivery time	7-15 Days
Standard or Nonstandard	Standard	Application	Excavator Machinery
Size	Standard Size	Color	Grey

Direct Factory Sales Excavator Piston Pump K7V63DTP-9N0E for XE150 ZE150E JCM913DHydraulic Pump Excavator Pump Part 0 Company Profile

Tags：

Direct Factory Sales Excavator Piston Pump K7V63DTP-9N0E for XE150 ZE150E JCM913DHydraulic Pump Excavator Pump Part

Excavator piston pump K7V63DTP-9N0E

Hydraulic pump for XE150 excavator

Excavator pump part with warranty

Excavator piston pump K7V63DTP-9N0E

Hydraulic pump for XE150 excavator

Excavator pump part with warranty

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