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| Brand Name : | Belparts |
| Model Number : | CX55 |
| Price : | Negotiable price |
| Payment Terms : | T/T, Paypal and Trade Assurance |
| Supply Ability : | 1000pieces |
| Delivery Time : | 1-5days |
Material:Steel
Product Name: Excavator Main Hydraulic Pump
Applicable Industries:Machinery Repair Shops, Manufacturing Plant
Part number:SY75C
Model:K3VL80
Package Details:Export Wooden Box
Surface treatment:Heat resistance paint
Pressure:Standard, High Pressure
Mainly engaged in excavator hydraulic pumps, final drive, travel
motors, swing motors, distribution valves,control valve
assy,reduction gearbox,cylinder assy and various hydraulic spare
parts.
Excavator hydraulic one-stop service, we can provide Komatsu,
Hitachi, Kato, Doosan, Hyundai, Sany, Liugong, Sunward Intelligent,
hydraulic pumps of various tonnage models, distribution valves,
travel assemblies, travel motors, swing motors and hydraulic spare
parts.
| # | Part No | Part Name | Qty. | Price request |
|---|---|---|---|---|
| 1 | 72285151 | HYDRAULIC PUMP | 1 | |
| 2 | 72963378 | VALVE BLOCK (USED) | 1 | |
| 3 | 72963384 | ROTOR DISTRIBUTOR | 1 | |
| 4 | 72284563 | COVER ASSY | 1 | |
| 5 | 72284562 | SHAFT | 1 | |
| 6 | 72284564 | PISTON | 1 | |
| 7 | 72283998 | PUMP | 1 | |
| 8 | 72963128 | PUMP | 1 | |
| 9 | 72284565 | PLATE | 1 | |
| 10 | 72284566 | SPRING | 1 | |
| 11 | 72963135 | SPRING | 1 | |
| 12 | 72957977 | BREATHER | 2 | |
| 13 | 72963381 | SEAT/SLOT | 1 | |
| 14 | 72963134 | SEAT/SLOT | 1 | |
| 15 | 72963382 | COVER | 1 | |
| 16 | 72963383 | SET SCREW | 1 | |
| 17 | 72964453 | O-RING | 1 | |
| 18 | 72210249 | SCREW,Hex Socket Head, M8 x 30mm | 2 | |
| 19 | 72957980 | NUT | 1 | |
| 20 | 72957929 | SHIM | 2 | |
| 20 | 72957937 | SHIM | 2 | |
| 21 | 72957938 | SHIM | 2 | |
| 21 | 72963333 | SHIM | 2 | |
| 22 | NSS | NOT SOLD SEPARAT | 1 | |
| 23 | NSS | NOT SOLD SEPARAT | 1 |
Working principle
Oil suction process: The plunger moves backwards, the pump chamber volume increases, forming a vacuum, and the hydraulic oil in the oil tank enters the pump chamber under atmospheric pressure.
Oil pressure process: The plunger moves forward, the pump chamber volume decreases, the hydraulic oil is compressed, the pressure increases, the oil outlet valve is pushed open, and high-pressure oil enters the hydraulic system.
performance parameter
Displacement: The volume of oil discharged by the pump shaft per revolution determines the working speed and force of the excavator.
Pressure: The pressure of the oil at the pump outlet determines the working capacity of the excavator.
Rotational speed: The rotational speed of the pump shaft affects the flow rate and lifespan of the pump.
Efficiency: The ratio of output power to input power of a pump, reflecting energy loss.
Maintenance
Regularly replace hydraulic oil and filter element to keep the oil clean.
Regularly check the noise, vibration, and temperature of the hydraulic pump, and promptly address any abnormalities found.
Avoid long-term overload work to prevent hydraulic pump overheating and damage.
development trend
High pressure and high flow rate: Improve the work efficiency and operational capacity of excavators.
Intelligence: Adopting electronic control technology to achieve precise control and energy management of hydraulic pumps.
Energy saving and environmental protection: Develop hydraulic pumps with low noise, low energy consumption, and low emissions.
| DH50-7, DH55D, DH60-7, DH80, DH130, DH150, DH150W-9, DH215-5, DH200-5, DH150LC-7, DH215-7, DH220-5, DH220-7, DH220-9, DH220-10, DH225-9, DH258, DH258LC-7, DH280, DH290B, DH300-5, DH300-7, DH320, DH360, DH370, DH500, DX300 |
| R60-7, R80, R130, R140, R150-7, R150-9, R1107-7, R160-7, R210, R220, R220-7, R215-7, R220-5, R225-7, R225-9T, R225lc-7, R290, R350-7,R110-9, R215-9, R275LC-9, R305, R305-7, R320, R335-7,R360, R370, R375, R375-7H, R455, R460, R485-7 |
| EC130, EC140B, EC210B, EC210C, EC235C, EC240B, EC290, EC290B, EC290C, EC360B, EC460B, EC460C, EC480D |
| E305, E320, E325C, E315C, E330C, E315D, E320D, E325D, E330D, E360D, E70B, E120B, E200B, E320B, E330B |
| PC35,PC40,PC45, PC50, PC55, PC60,PC60-6, PC70, PC75, PC78, PC80, PC90, PC100, PC110, PC120, PC120-7, PC130, PC150, PC160, PC180, PC200,PC200-6, PC200-7,PC200-8, PC210-8, PC220-6,PC220-7,PC210, PC220, PC230, PC240,PC240-8, PC270, PC300, PC360,PC360-7, PC350, PC400, PC450, PC650, PC750, PC1250 D31, D50, D65, D85, D155, D275, D375, D475 |
| EX200-2, EX220-2, EX120-5, EX200-5, EX220-5, EX400-5, ZX200-3, ZX210-3, ZX240-3, ZX270-3, ZX330-3, ZX360-3, ZX110, ZX120, ZX200-6,ZX200-3G,ZX200-5G,ZX330-3G,ZX350-5G |
| SK200-3, SK200-5, SK135rs, SK70rs,SK60,SK120-5, SK200-8, SK250-8, SK260-8, SK130-8, SK200-6e, SK210-6e, SK160 |
| HD80R, HD820-5, HD1023, HD1430, HD700-7,HD1430-7, HD1250-7, HD450-7 |
| SH120A2/A3,SH130, SH200A2/A3, SH210A5, SH240A3, SH360A5 |
KX155, KX135, KX161-3 |




Excavators are heavy machinery widely used in various fields such as construction, engineering, and mining. The main application areas include:
Construction engineering: Excavators are used for excavating foundation pits, cleaning sites, excavating underground facilities, foundation construction, etc.
Mining: In mines, excavators are used for mining ores, transporting materials, stripping topsoil, and crushing operations.
Water conservancy engineering: In water conservancy construction, excavators are used to excavate rivers, clear lakes, build dams and canals, etc.
In the field of agriculture, excavators are sometimes used to cultivate land, dig water channels, and construct irrigation systems in large-scale agricultural production.
Forestry: used for logging, clearing forest paths, clearing trees, and transporting timber.
1) Material: All our products are used high quality genuiner raw
material.
2) Inspection: We make a very strict inspection process before
delivery.
3) Inventory: We have about 1000 pieces in stock, can provide you
at once.
4) Price: We have steady in stock and we can offer competitive
price.
5) Delivery time: We will deliver the goods within 1-3 days after
received the payment.
6) Service: We have a professional team to offer professional
service for you 24/7.
7) All the spare parts are 100% measured, 100% interchangeable.
Our advantages
1.Strong part number database.
If you can provide the right model and part number, we can supply
the right product.
2.Professional and experienced salesperson.
Our founder has been into this field for more than 7 years, with
rich experiences.
3.Strict and complete company rules.
We will try our best to meet customer’s delivery time. Before
delivery, we must verify the part number or pictures of products
one by one, to make sure that customers can receive high-quality
and right-quantity goods.
4.Good management system.
No matter how big or small order, as long as customers place the
order, we will provide exporting service free for charge.
5.Good service attitude.
If the customer has any questions about the product, In our
receiving and knowing the situation, we will help the customer to
solve the problem in the first place. As long as customers’
requirements are reasonable, we will endeavour to make them
satisfied.
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| Company Info. |
| GZ Yuexiang Engineering Machinery Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |