Speed 600-3000/min 250/bar Right Gear Hydraulic Pumps Replacement of 3349116673 Parker Tractor Hydraulic Gear Pump for Sale

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Product Description

Advantages of Gear Hydraulic Pumps for Agricultural Tractors:
1. Simplicity and Robustness:
Gear pumps have a relatively simple design with a small number of moving parts (typically just two meshing gears). This inherent simplicity makes them exceptionally robust, durable, and reliable, which is critical for the demanding and often dirty operating conditions of agricultural machinery. They are less prone to failure compared to more complex pump designs.

2. Cost-Effectiveness:
Due to their straightforward manufacturing process and fewer precision components, gear pumps are generally more economical to produce and purchase than other types of hydraulic pumps of similar flow rates. This contributes to the overall affordability of tractor hydraulic systems.

3. Tolerance to Contamination:
While good hydraulic fluid maintenance is always essential, external gear pumps (the most common type in tractors) are generally more tolerant of minor particulate contamination in the hydraulic fluid compared to pumps with tighter internal tolerances (like piston pumps). This is a practical advantage in agricultural environments where maintaining absolute fluid purity can be challenging.

4. High Efficiency at Moderate Pressures:
Gear pumps deliver good volumetric and overall efficiency at the moderate operating pressures and flow rates typically
found in most tractor implement hydraulic circuits. They maintain good efficiency across a wide range of operating speeds,matching the typical RPM fluctuations of a tractor engine.

5. Fixed Displacement and Predictable Flow:
Most gear pumps used in agricultural tractors are fixed displacement, meaning they deliver a consistent and predictable volume of fluid per revolution of the input shaft. This provides a steady and reliable flow rate, which is often ideal for the consistent operation of many tractor implements and functions.

6. Compact Size and Easy Integration:
Their relatively compact and lightweight design allows them to be easily integrated into the tractor's engine or
transmission housing, minimizing space requirements and simplifying the overall machine design.

7. Reliability and Longevity:
Their sturdy construction, simple operating principle, and ability to handle various conditions contribute to a long
service life and high operational reliability, minimizing unexpected breakdowns during critical farming seasons.

Applications of Gear Hydraulic Pumps in Agricultural Tractors:
1. 3-Point Hitch System:
This is arguably the most common and essential application. The pump generates the hydraulic pressure to raise, lower, and precisely control the depth of rear-mounted implements such as plows, cultivators, seed drills, sprayers, various types of mowers, and more.

2. Front-End Loaders:
Provides the hydraulic power for the lift, tilt, and sometimes bucket-dumping functions of front-end loaders. This enables the tractor to efficiently handle and move materials like soil, feed, manure, hay bales, and other bulk items.

3. Power Steering:
Most modern agricultural tractors utilize hydraulic power for power steering. The pump supplies the fluid pressure that
significantly reduces the physical effort required to steer the tractor, particularly under heavy loads, with wide
implements, or in challenging field conditions.

4. Auxiliary Hydraulics (Remote Outlets / SCVs - Selective Control Valves):
The pump supplies pressurized hydraulic fluid to the tractor's external hydraulic outlets (often called "remotes"). These
outlets allow the tractor to power a vast array of external, hydraulically-driven implements or functions with their own
hydraulic cylinders or motors, such as:

Hydraulic Cylinders: Used for opening/closing large planters, adjusting plow depth, operating bale spears, controlling
grain cart gates, or powering dump trailers.
Hydraulic Motors: Driving components on implements like fertilizer spreaders (spinner discs), augers on grain carts,
fans for air seeders/planters, or even some smaller combine harvester functions.

5. Braking Systems:
In many agricultural tractor models, particularly larger ones, the braking systems are hydraulically actuated, relying on
the pump's output for reliable and powerful stopping capability.

6. Transmission and PTO (Power Take-Off) Control:
While the main PTO shaft transmits mechanical power, the engagement and disengagement of the PTO, as well as the operation of some more advanced tractor transmissions, are often hydraulically actuated, relying on the pump's output for smooth and precise control.

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Hangzhou EVER POWER Co., Ltd. is located in Hangzhou, Zhejiang Province, China. After years of development, its product range includes agricultural tractor parts, construction machinery parts, garden machinery parts, harvester parts, forklift parts, etc. Examples of these products are hydraulic gear pumps, constant flow pumps, fuel pumps, wood splitting pumps, hydraulic motors, multi-control valves, transmission gears, etc. The company is a supplier to many original equipment manufacturers. At the same time, its series of parts products are also exported to overseas markets. Hangzhou EVER POWER Co., Ltd. will continue to enhance the core advantages of its products and provide customers with better quality and more favorable prices.

Q: Are you trading company or manufacturer ? A: Our group consists in 3 factories and 2 abroad sales corporations. Q: Do you provide samples ? is it free or extra ? A: Yes, we could offer the sample for free charge but do not pay the cost of freight. Q: How long is your delivery time ? What is your terms of payment ? A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance ,balance before shippment. Q: What is the exact MOQ or price for your product ? A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation. If you have another question, please feel free to contact us.

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