OTTO Excavator Hydraulic Pump K3V63DT with Coupling & Bell Housing
This K3V63DT variable axial piston main pump assembly comes complete with coupling and bell housing, delivering pressurized hydraulic flow to drive boom, arm and bucket circuits of mid-size excavators.
Precision matched internal components sustain cyclic high pressure loads, lowering hydraulic failure risk and cutting costly machine downtime on construction sites.
Technical Specifications
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Item
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Details
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Product Name
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Hydraulic Main Pump Assembly with Coupling & Bell Housing
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Part Number
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K3V63DT
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Brand
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OTTO (China Aftermarket Replacement)
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Material
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Forged Alloy Steel, Cast Iron Housing, High Pressure Rubber Seals
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Application
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Main hydraulic power source for excavator hydraulic system
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Applicable Machine
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Crawler Excavator
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Applicable Model
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Doosan DH130, DH150, Solar130LC; Hyundai R130, R150-7; Kobelco SK120, SK135SR; Volvo EC140; Sany SY135
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Key Parameters
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Displacement 63ml/r, Rated Pressure 34MPa, Max Pressure 39MPa
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Function
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Convert engine mechanical power into hydraulic pressure, supply oil for boom, arm, bucket and travel circuits
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Operating Temperature
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-20℃ ~ +80℃
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Weight
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115 KG/pc
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Quality & Condition
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Brand New Aftermarket, China OEM Grade
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Warranty
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6 months
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Key Product Advantages
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Pre-assembled coupling & bell housing, ready for direct installation without extra matching work.
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High-strength forged steel piston & cylinder block, stable output under continuous heavy load.
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Precision control valve group, consistent flow response for smooth excavator operation.
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Industrial grade sealing system, resistant to high hydraulic pressure and oil aging.
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Strict bench test before shipment, reduce hydraulic noise and leakage issues.
Compatible Equipment & Fitment Details
Direct OEM Replacement / Cross References: 2401-9186, 2401-9236
Compatible Machine Models:
Doosan: DH130, DH150, Solar130LC-V
Hyundai: R130, R150-7, R150LC-7
Kobelco: SK120, SK135SR
Volvo: EC140
Sany: SY135-8
Related Components / Assembly: Hydraulic pump repair kit, servo piston, valve plate, piston shoe, drive shaft
Installation Note: Check pump mounting interface and spline size before fitting; align bell housing with engine flywheel housing, torque bolts to standard specification.
Applications & Operational Environments
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Application Description
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Performance
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Main hydraulic pump compartment, transfer engine power to hydraulic circuit
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Supplies continuous high-pressure oil for digging, lifting and slewing actions
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Mining & Quarrying Sites
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Withstands frequent pressure surges and vibration, maintains stable hydraulic output under heavy digging
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High-Temperature Working Zones
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Premium seal set resists hydraulic oil degradation and leakage under sustained high oil temperature
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Demolition & Dusty Work Sites
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Robust cast housing prevents debris impact damage; internal sealing blocks dust ingress
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Excavator Maintenance
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Direct replacement for worn, leaking or seized original main pump to restore machine power
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Repair Workshops & Fleets
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Complete assembly saves fitting time, helps mechanics finish overhaul and return machine to service quickly
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Our Advantages
1.TECHNICAL SERVICE
We provide modification technology service, the product has been tested modifed, the engine can be directly installed and used.
2.CERTIFICATE
With Export certificate License.Double confirmation before shipping, if we sent the wroncparts we will send corect one.
3.SERVICE TEAM
With professional after-sale team, will help you to trace the goods. And our engineers will assist with any installation issues.
4.TECHNICAL SERVICE
Free Sample is acceptable.We serves manywell-known Hitachi Komatsu Caterpillar Kobelco in your country.
FAQ
Q1: Is secondary programming or special adjustment required after installation?
A: No programming needed. This is a mechanical hydraulic main pump. After proper installation, bleed air from the hydraulic circuit and follow standard commissioning steps to adjust pressure.
Q2: How can buyers confirm this pump matches their excavator correctly?
A: Please provide machine serial number / VIN, original pump part number and machine model. We will verify spline, mounting flange and displacement before shipment.
Q3: What pre-shipment tests are performed and what does the warranty cover?
A: Every unit goes through hydraulic bench pressure test for leakage, flow and noise check. Warranty covers manufacturing defects; damage from improper installation, oil contamination or overloading is excluded.
Q4:What can you buy from us?
A:We are professional dealer in excavator parts, such as desel engine assy,hydraulic pump, hydraulic control valvetravel
motor,diesel fuel system,gearbox parts, swing gearbox motor parts, electrical parts, engine parts, used
excavator,etc.
Q5:How long is the warranted time?
A:For natural broken,Warranty 3-12 months any quality problem will offer support freely.
Q6:What's the shipping way you can offer?
A:(1) Big order: By sea or by air.(It can reduce the costs).
(2) Small order:DHL,TNT,UPS,FEDEX,EMS,ARAMEX.
Q7:What's the terms of the transaction?
A:EXW,FCA,FAS,FOB, C&F,CIF,CPT,CIP,DAF,DES,DDP.
Q8:How about the lead time?
A:(1) ln stock: 1-3 days.Always in 24 hours.
(2) Out of stock: lt's according to your quantity, and we have cooperated with factory,We will let you know when we quote.
