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Kpvc03-02 Gear Pump-of-cissoko

The KPvc03-02 (often designated simply as VC03-02) is a widely recognized, high-pressure hydraulic tipper gear pump. It is engineered primarily for medium-to-heavy tipping applications and is highly popular as an aftermarket or OEM replacement part.
  • kpvc03-02

  • cissoko

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KPvc03-02 Gear Pump  

Overview

The KPvc03-02 (often designated simply as VC03-02) is a widely recognized, high-pressure hydraulic tipper gear pump. It is engineered primarily for medium-to-heavy tipping applications and is highly popular as an aftermarket or OEM replacement part.

Features and Benefits

  • Reasonable & Compact Structure: Saves critical space on the truck chassis while maximizing output power. 

  • Reliable Working Performance: Provides high volumetric efficiency and stable lifting speeds even under severe environmental conditions like mines and construction sites. 

  • Easy Maintenance: Features a simplified all-in-one design that lowers component counts, limits external piping leaks, and makes swapping internal seal kits highly straightforward.

Technical Data:

Parameter Value Notes
Displacement 28 mL/rev Oil displacement per revolution; slightly smaller than the KP35B
Rated Working Pressure 7 MPa (70 kgf/cm²) Continuous stable operating pressure
Maximum Pressure 17.5 MPa (175 kgf/cm²) Maximum instantaneous or short-term pressure
Operating Speed Range 350–1,800 rpm Permissible input shaft speed range
Rated Speed 1,000 rpm Standard test and rated operating speed
Shaft Power 7.4 kW Required input power under rated conditions at the reference speed
Valve Stem Operating Force 10 kg Mechanical cable-pull or pneumatic force required for directional control
Total Weight Approx. 10 kg Lighter construction compared with the KP35B
Cushion Valve Configuration Optional / Integrated Cushion Valve Version Absorbs hydraulic shock when the tipping body reaches its maximum lifting position
Rotation Left-Hand / Counterclockwise (CCW) Viewed from the pump shaft end; standard configuration for Japanese vehicles

KPvc03-02  Hydraulic Gear Pump Installation Dimensions


kpvc03-02

Applications

The KPvc03-02 gear pump is mainly used in hydraulic systems for light to medium-duty vehicles that require controlled lifting
  • Light & Medium Dump Trucks: Serves as the primary hydraulic power source for lifting 4-to-6-ton tipper truck beds.

  • Agricultural Equipment: Powers hydraulic dumping trailers, small tractors, and grain handling vehicles.

  • Municipal Sanitation Vehicles: Drives the tilt-and-dump mechanisms for compact garbage trucks and street sweepers.

  • Construction Site Dumpers: Applied in mini site dumpers and small-scale material handling lift platforms.


Vane Pump Application


Packaging & Delivery

Shipping Methods

Kpvc03-02  pumps are typically packaged securely to prevent damage during transit. The packaging includes:

Protective Wrapping: To safeguard the pump from environmental damage.

Custom Crates: For larger, heavier pumps, ensuring safe handling.

Documentation: Includes installation, maintenance instructions, and warranty details.

Delivery time depends on the model, customizations, and location but typically ranges from 2 to 6 weeks from the order date.


KPvc03-02 Gear Pump  FAQ:

1. What is the difference between KPvc03-02 and standard KP35B pumps?
  • Answer: While both are designed for light-to-medium dump trucks, the KPvc03-02 has a slightly smaller displacement (28 mL/r vs 32 mL/r) and is lighter (~10 kg vs ~13 kg). It is a highly compact, optimized design frequently used as an OEM or aftermarket standard specifically for Japanese truck chassis.

2. Why does the KPvc03-02 pump body become extremely hot during operation?
  • Answer: Excessive heating is usually caused by internal oil slippage (worn gears or side plates letting high-pressure oil bypass back to the suction side) or a relief valve that is stuck partially open. Running the truck with low hydraulic fluid or contaminated oil will also cause rapid heat buildup.

3. Does the KPvc03-02 feature a built-in cushion valve?
  • Answer: Many premium versions of the KPvc03-02 series come with an integrated cushion/buffer valve. This feature automatically dampens the hydraulic shock when the dump bed reaches its maximum height or when the operator suddenly stops the cylinder, protecting the oil seals from blowing out.

4. Can I replace a KPvc03-02 with a larger capacity pump like the KPC45A?
  • Answer: Not directly without checking the mounting layout. While the KPC45A (45 mL/r) will give you much faster lifting speeds, it has a larger physical frame and different mounting bolt patterns. You must verify if your vehicle's PTO bracket and chassis space can accommodate the larger pump body.

5. What is the most effective way to troubleshoot a KPvc03-02 that won't lower the truck bed?
  • Answer: Since this pump features an integrated control valve, a bed that won't lower is usually caused by a stuck or misaligned internal valve spool. Check if the mechanical control cable or air cylinder is fully shifting the valve stem. If the stem moves but the bed stays up, debris may be jamming the internal return check valve.

6. Do you provide OEM or customized services

Yes, we support OEM and customization, including nameplate, packaging, and specific performance requirements. Send us your drawings or specifications for evaluation.

Certifications & Quality Assurance

kpvc03-02 pumps are manufactured in compliance with international standards, ensuring high performance and reliability:

ISO 9001: Certified for quality management systems.

CE Certification: Ensures compliance with European safety, health, and environmental protection standards.

RoHS Compliance: Ensures the pump does not contain hazardous materials.

Factory Testing: Every pump is rigorously tested for performance, pressure, and leak integrity before shipping.



Green Hydraulic Patent Certificate

FAQ

1.What's our advantages?

Factory established in 2005;

With a great deal of production experience;

80+ employees become the professional team;

Constant updated ERP system ensure efficiency of work;

Sophisticated equipment ehanced the accuracy of products;

Professional salesmen provide the greast service;

With a large number of famous customers all over the world;

Great after-sales service;

With the long term cooperation with famous logistics and express company in China,provide the better goods service.


2.What is your payment terms?

Small order/sample order,full payment in advance; Big orders send the first payment 30% before the production,and the balance before shippment.We'll show the photos of the products and packages before delivery.


3.Can you make my own brand on the products?

Of course we can. Just send me your logo  we can make it for you.


4.What is our main export market?

America(40.5%):USA, Canada, Argentina, Brazil

Europe(30.8%):Italy,Germany,England,Holland,Spain,Swiss,Finland,Russia,Poland.

Asia(23.5%):Korea,singapore,India,Turkey,Vietnam,Saudi Arabia,Syria, Israel,Lebanon.

Others(5.8%).


Unedited footage of the Green Hydraulic Factory

The Cissoko hydraulic pump manufacturing facility is a specialized industrial plant that focuses on producing hydraulic pumps and related components. These factories are equipped with advanced machinery and technology to fabricate high-quality pumps designed for a wide range of applications, from heavy equipment and machinery to automotive and industrial systems.

Unedited footage of the Green Hydraulic Factory

The production process typically involves precision engineering, where raw materials like metals and alloys are processed into pump components such as gears, pistons, cylinders, and seals. These parts are then assembled into fully functional hydraulic pumps, which are tested for performance and quality control to ensure reliability, efficiency, and durability under various working conditions.

Unedited footage of the Green Hydraulic Factory

Cissoko Hydraulic's manufacturing facilities for hydraulic pumps maintain stringent quality standards, often adhering to international certifications, to meet the expectations of customers in industries such as construction, agriculture, automotive, and manufacturing.

Unedited footage of the Green Hydraulic Factory3

All hydraulic pumps produced by Cissoko Hydraulic have undergone compliance testing, ensuring their quality and reliability.

Unedited footage of the Green Hydraulic Factory4

To meet the diverse needs of different industries, the Cissoko hydraulic offer customization options, such as specialized seals, materials, and pump configurations. These facilities often work closely with engineering teams to develop tailored solutions for specific applications, from high-pressure systems to low-flow, high-efficiency pumps.

Unedited footage of the Green Hydraulic Factory5

Each pump undergoes a rigorous quality control process, where pressure tests and performance assessments are conducted to ensure that the pumps meet the required standards for flow rate, pressure capacity, and durability.


Green Hydraulic Advantages
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