Hydraulic Gear Pump For Caterpillarr Catt330d Catt336D
Hydraulic Gear Pump for Caterpillarr Catt330d Catt336D Excavator Pilot Pump
Products Description
1. Product Overview
The CAT330D and CAT336D gear pumps represent the epitome of excellence in the field of positive - displacement pumping technology. Engineered with unwavering commitment to quality and performance, these pumps are tailor - made to meet the diverse and exacting demands of modern industrial applications. The CAT330D, with its compact yet robust design, offers remarkable efficiency and reliability, making it an ideal choice for a wide range of medium - scale fluid transfer and pressure - boosting tasks. Meanwhile, the CAT336D, featuring a more powerful and high - capacity structure, is specifically designed to handle heavy - duty operations, delivering outstanding performance even in the most challenging environments. Both pumps incorporate advanced engineering features, high - quality materials, and strict manufacturing standards, firmly establishing them as leaders in the gear pump market.
2. Working Principle
Both the CAT330D and CAT336D gear pumps operate on the principle of meshing gears. They are equipped with pairs of precisely machined gears, each mounted on independent shafts. As the gears rotate in opposite directions, the meshing and unmeshing action generates a vacuum at the inlet. This vacuum draws fluid into the pump, which then fills the spaces between the gear teeth and the pump casing. As the gears continue to turn, the trapped fluid is carried around the casing and discharged at the outlet under pressure, ensuring a continuous and stable flow of the fluid through the system. This proven working principle, combined with the pumps' advanced design features, guarantees reliable and efficient fluid transfer in various applications.
3. Precise Data Table
| Parameter | CAT330D | CAT336D |
| Maximum Pressure | 380 bar | 420 bar |
| Flow Range | 0 - 150 L/Min | 0 - 180 L/Min |
| Power Supply | 12 VDC, 24 VDC, 110 VAC, 220 VAC, 480 VAC | 24 VDC, 220 VAC, 380 VAC, 480 VAC |
| Current (at rated load) | 3 - 20 A (varies with power supply) | 4 - 25 A (varies with power supply) |
| Gear Material | High - grade alloy steel, induction - hardened for enhanced wear resistance | Super - strength alloy steel, double - heat - treated for maximum durability |
| Pump Body Material | High - strength cast iron with enhanced shock - absorbing properties | Heavy - duty forged steel for superior structural integrity |
| Seal Material | FKM for excellent chemical and temperature resistance | FFKM (Perfluoroelastomer) for extreme - condition applications |
| Rated Speed | 800 - 4800 Rpm | 600 - 4500 Rpm |
| Maximum Shaft Power | ≤150 KW | ≤180 KW |
| Volumetric Efficiency | ≥96% | ≥97% |
| Service Life | >4500 H (or 220000 Cycles with 1 min ON / 1 min OFF @ 350 bar) | >5000 H (or 250000 Cycles with 1 min ON / 1 min OFF @ 400 bar) |
| Certification | CE, ISO 9001, API 676 compliant | CE, ISO 9001, API 676 compliant, NACE MR0175 certified |
Detailed Photos
Company Profile
Ningbo Hyleman Hydraulics Co., Ltd is a scientific and innovative company integrating R & D, production, sales and service of high-quality hydraulic pumps, motors, valves and other hydraulic products.
Hyleman mainly provides Rexroth A4VSO, A10VSO, A4VG, A7VO, A11VO and A2FO series high-pressure piston pumps, Rexroth PGH3, PGH4 and PGH5 series high-pressure gear pumps, A4VM, A6VM, A2FM and A4FM series piston motors; BM3, BM4,BM5, BM6 and other orbit motors. Through the honing and innovation of Hyleman people, Hyleman series products can not only perfectly replace the original products, but also realize the seamless exchange and connection of all the parts. Moreover, it has lower noise, higher volume efficiency and longer service life, so as to completely surpass the quality of the original factory, and withstand the severe test of the market, has been exported to more than 70 countries and regions around the world.
Hyleman series products are widely used in engineering machinery, plastic machinery, metallurgical machinery, environmental sanitation machinery, mining machinery, marine machinery, packaging machinery, port machinery and various hydraulic equipment, which are highly praised by clients.
Hyleman has the world advanced CNC processing equipment, vertical and horizontal machining centers, high-precision double-sided grinding, groove grinding, curve grinding and full-automatic machining centers. With 12 independent testing laboratories, the products have been comprehensively inspected before shipment to ensure that Hyleman series products achieve high precision, high quality and zero defects.
"Optimizing the performance of hydraulic products, improving the quality of hydraulic products and leading the comprehensive upgrading of hydraulic product consumption" is not only the responsibility and mission of Hyleman, but also the Chinese dream of Hyleman. Hyleman are willing to work with people of insight to make unremitting efforts to realize this dream.
Warmly welcome all friends to visit the beautiful port city - Ningbo to discuss cooperation and seek common development with Hyleman!
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our Advantages
Why Choose HYLEMAN?
1. Top Quality
Depend on 15 years experience at hydraulic pumps design, research, development and manufacturing, we have a top quality compared with domestic and overseas manufacturers, all of our products are with 1 year warranty time.
2. Strict Quality Control System
We have the most strict quality control system, all of our products are 100% tested before shipment and each of them has one tracking code in order to make sure they are with good quality to our customers.
3. Advanced machinery equipment
All the machines we have are new CNC machines we imported from Germany and Japan in order to reach more higher demand at the products accuracy.
4. Strong Technical team
Our technical team all have more than 20 years experience at pumps design and engineering, our chief engineer has more than 40 years experience at pumps design. We have one 15 persons research team, responsible for pumps improvement research and new products development.
5. Competitive Price
Because of good management, our price is more competitive than the original products, more reasonable than most of the domestic suppliers.
6. Fast Delivery time
We can ship small orders within one week, for big orders such as within 500 PCS pumps or cartridge kits usually we can make shipment within one month.
7. Warranty Period
All of our products are within 1 year warranty time after the shipment from our factory.
8. Considerate Service
We can provide technical support at any time if our customers meet any issue during the using, we will provide solutions at the soonest time.
9. Long development strategy
We would like to establish a long time strategy cooperation relationship with our customers, to promote HYLEMAN brand together, support and train the potential customer to be our agent at each country and region all over the world.
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