Pompe hydraulique Kawasaki K7V63DTP-OE23 pour midi pelle Sany SY135-9
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Coordonnées du vendeur
+86 189 289...
+86 189 2896 5241
Product Brief
This K7V63DTP‑OE23 variable‑displacement axial piston main pump acts as the core hydraulic power unit for SANY SY135‑9 medium‑light excavator. Widely deployed in municipal pipeline laying, housing‑site earth‑moving, road repair and quarry material stacking scenarios, this pump converts engine torque into adjustable high‑pressure hydraulic flow to realize digging, boom lifting, arm crowding, swing and multi‑action combined operation. This aftermarket replacement assembly is heavily favored by overseas field maintenance teams, equipment rental firms and cross‑border spare‑part dealers for hydraulic system refurbishment and direct pump replacement.
Under continuous variable‑load working conditions, accompanied by frequent start‑stop and oil‑contamination risks, the main pump tends to suffer cylinder block galling, piston shoe wear, valve plate scratching and gradual internal leakage. Typical failure performances include insufficient digging force, slow response of working devices, poor travelling performance, sustained high hydraulic oil temperature, distinct humming and knocking noise from pump housing, as well as obvious pressure drop after the machine reaches normal operating temperature. Unexpected pump failure will interrupt construction progress and bring extra emergency repair costs for project operators.
Our aftermarket hydraulic pump strictly implements OEM dimensional standards for mounting flange, input shaft spline, regulator installation position and system pressure setting. No cutting, drilling or additional adapter modification is needed for on‑site replacement, direct mounting effectively shortens equipment standby time. As a cost‑competitive substitute for high‑priced original pumps with long delivery cycles, this unit delivers stable hydraulic output and satisfies bulk‑order procurement needs for global SANY excavator spare‑part suppliers.
Unique Product Competitive Advantages
1. High‑precision matching for SANY SY135‑9 original hydraulic system
Manufactured according to original drawing specifications, this main pump maintains consistent shaft spline parameters, oil port position and regulator assembly dimension. Precisely lapped friction pairs minimize internal leakage after assembly. No secondary machining is required for field installation.
2. Upgraded friction‑pair processing for medium‑light excavator cyclic load conditions
Many low‑cost alternative pumps suffer quick performance decline under frequent compound movements. Our core internal components adopt mature quenching and fine‑grinding craft to strengthen wear‑resistance under alternating load, helping fleet owners cut pump replacement frequency for heavily operated SY135‑9 machines.
3. Complete bench testing before delivery to avoid hidden field breakdown risks
Each finished hydraulic pump undergoes pressure endurance test, flow calibration and sealing leakage inspection on dedicated hydraulic test bench before packing. Defective goods are screened at factory side, lowering re‑work burden for maintenance technicians and preventing unexpected jobsite downtime losses.
4. Cost‑effective aftermarket option for 13‑ton excavator maintenance budget control
Genuine OEM main pumps for SY135‑9 come with high procurement cost and long lead‑time. Our factory‑direct aftermarket pump provides dependable stability and system compatibility, reducing annual overhaul expenditure for customers managing multiple domestic‑brand excavator fleets.
5. Multiple practical logistics solutions for global wholesale buyers
In‑stock products can be dispatched quickly upon payment confirmation. Air freight supports urgent breakdown repair orders; consolidated sea freight and full‑container service offer cost‑saving choices for long‑term bulk importers.
Factory Production Strength
Our production base devotes to R&D and mass‑production of aftermarket hydraulic main pumps, travel motors and swing motors for Chinese‑brand and international excavator models. We possess complete production workflows: alloy‑steel forging, precision grinding, professional heat‑treatment and finished‑product hydraulic bench testing. Professional simulation equipment reproduces real‑site variable‑load operating state of medium‑light excavators to verify component reliability. Our hydraulic spare‑parts are exported to multiple overseas markets and keep long‑term stable partnerships with global construction‑machinery spare‑part wholesalers.
Frequently Asked Customer Questions
Q1: Can this K7V63DTP‑OE23 main pump fit other SANY excavator models besides SY135‑9?
A1: Cross‑model fit is not suggested. Different main pumps differ in shaft spline, regulator parameters and pressure calibration values. Please double‑check machine model and part number before placing orders.
Q2: What hydraulic failures can this main pump fix?
A2: It solves faults caused by worn pistons, scratched valve plate and damaged internal components: weak digging power, sluggish compound movements, high hydraulic oil temperature, internal leakage and abnormal humming or knocking noise of main pump.
Q3: Is volume‑based discount available for bulk‑quantity orders?
A3: Yes, tier‑based preferential price is offered subject to purchase quantity. Full‑container sea shipment can be arranged to cut overall logistics expense.
Q4: What packaging is used for long‑distance overseas transportation?
A4: Anti‑rust oil is evenly coated on all metal surfaces. The whole pump is wrapped with waterproof shock‑proof PE film, then secured inside reinforced export‑grade plywood case, preventing collision deformation and moisture corrosion during long‑haul transit.