Product Description
Product Description
R250-7 Boom Cylinder Fit For CHINAMFG Digger Spare Parts
| Product Name | R250-7 Boom Cylinder,Hyundai R250-7 Excavator Hydraulic Cylinder,R250-7 Bucket/Arm Cylinder |
| Material | Aluminum, Cast lron,45mnb Steel,Stainless Steel |
| Part Number | Hyundai R250-7 |
| Colors | Black,Yellow,Blue.Brown.Customizable |
| Customized | OEM&ODM are accepted |
| Work Press | 7/14/16/21/31.5MPa 37.5/63MPa Can be Customized |
| Package | Wooden Case |
Catalogue
Related Excavator Spare Parts Products
Application
All Of Our Spare Parts Are Suitable For These Brand Replacement
| BRAND/ TYPE | MACHINERY MODEL NUMBER | |||||||
| KOMATSU-PC | PC20 | PC30-5 | PC30-6 | PC30-7 | PC30-8 | PC35 | PC40 | PC45 |
| PC50 | PC55 | PC40-5 | PC40-6 | PC40-7 | PC50 | PC55 | PC60-1 | |
| PC60-3 | PC60-5 | PC60-6 | PC60-7 | PC75 | PC100-1 | PC100-3 | PC100-5 | |
| PC100-6 | PC100-7 | PC120-3 | PC120-5 | PC120-6 | PC120-7 | PC150 | PC200-1 | |
| PC200-3 | PC200-5 | PC200-6 | PC200-7 | PC200-8 | PC220-1 | PC220-3 | PC220-5 | |
| PC220-6 | PC220-7 | PC220-8 | PC200LC-3 | PC200LC-5 | PC200LC-6 | PC200LC-7 | PC200LC-8 | |
| PC240 | PC300-1 | PC300-5 | PC300-6 | PC300-7 | PC300LC | PC300LC-5 | PC300LC-6 | |
| PC300LC-7 | PC360-5 | PC360-6 | PC360-7 | PC360LC-5 | PC360LC-6 | PC360LC-7 | PC360LC-8 | |
| PC400-1 | PC400-3 | PC400-5 | PC400-6 | PC400-7 | PC400LC-1 | PC400LC-3 | PC400LC-5 | |
| PC400LC-6 | PC400LC-7 | PC450-5 | PC450-6 | PC450-7 | PC450LC-5 | PC450LC-6 | PC450LC-7 | |
| PC650 | PC750 | PC800 | PC350 | |||||
| KOMATSU-D | D20 | D31 | D37EX-21 | D40 | D41P-6 | D41E-6 | D50 | D53 |
| D51EX-22 | D60 | D65 | D65-12 | D61EX-12 | D65EX-12 | D65PX-12 | D80 | |
| D85 | D85EX-15 | D85-21 | D155 | D155A-1 | D155A-2 | D155A-3 | D155A-5 | |
| D155-6 | D275 | D355A-3 | D375-5 | |||||
| CATERPILLAR-CAT-E-B-C/D | E200B | E200-5 | E320D | E215 | E320DL | E324D | E324DL | E329DL |
| E300L | E320S | E320 | E320DL | E240 | E120-1 | E311 | E312B | |
| E320BL | E345 | E324 | E140 | E300B | E330C | E120 | E70 | |
| E322C | E322B | E325 | E325L | E330 | E450 | E55 | E70B | |
| E120B | E312 | CAT55 | CAT225 | CAT311 | CAT312 | CAT312B | CAT315 | |
| CAT320 | CAT320C | CAT320BL | CAT330 | CAT322 | CAT245 | CAT325 | CAT320L | |
| CAT973 | CAT345 | CAT345B | CAT320D | CAT330B | CAT330BL | CAT330C | CAT330D | |
| CAT325B | CAT325BL | CAT345B | ||||||
| CATERPILLAR-D | D3C | D4 | D4D | D4E | D4H | D5 | D5B | D5C |
| D5H | D5M | D5N | D6 | D6C | D6D | D6R | D6H | |
| D6T | D7G | D7R | D7H | D8N | D8L | D8T | D8R | |
| D8H | D8K | D9L | D9N | D9R | D9T | D10N | D10R | |
| D10T | D11N | D11R | ||||||
| HITACHI-EX | EX30 | EX40 | EX55 | EX60 | EX60-2 | EX60-3 | EX60-5 | EX70 |
| EX75 | EX100 | EX100-3 | EX100-5 | EX120 | EX120-1 | EX120-3 | EX120-5 | |
| EX130-1 | EX200-1 | EX200-2 | EX200-3 | EX200-5 | EX220-3 | EX220-5 | EX270 | |
| EX300 | EX300-1 | EX300-2 | EX300-3 | EX300-5 | EX300A | EX330 | EX370 | |
| EX400-1 | EX400-2 | EX400-3 | EX400-5 | EX200LC-1 | EX200LC-2 | EX200LC-3 | EX200LC-5 | |
| EX270-1 | EX270-2 | EX270-5 | EX270LC-1 | EX270LC-2 | EX270LC-5 | EX300LC-1 | EX300LC-2 | |
| EX300LC-3 | EX300LC-5 | EX400LC-1 | EX400LC-2 | EX400LC-3 | EX400LC-5 | EX450 | EX450-1 | |
| EX450-2 | EX450-3 | EX450-5 | EX450LC-1 | EX450LC-2 | EX450LC-3 | EX450LC-5 | UH07-7 | |
| ZAX30 | ZAX55 | ZAX200 | ZAX200-2 | ZAX330 | ZAX450-1 | ZAX450-3 | ZAX450-5 | |
| UH043 | UH052 | UH053 | UH07 | UH081 | UH082 | UH083 | ||
| ZAXIS-ZAX-ZX | ZAX55 | ZAX70 | ZAX120 | ZAX200 | ZAX210 | ZAX230 | ZAX240 | ZAX330 |
| ZAX450 | ZAXIS 110 | ZAXIS 120 | ZAXIS 60 | ZAXIS 200-3 | ZAXIS 200-6 | ZAXIS 240 | ZAXIS 270 | |
| ZAXIS 330 | ZAXIS 360 | ZAXIS 450 | ZAXIS 870 | |||||
| VOLVO-EC | VOLVO55 (EC55) | VOLVO140 (EC140) | VOLVO210 (EC210) | VOLVO240 (EC240) | VOLVO290 (EC290) | VOLVO360 (EC360) | VOLVO460 (EC460) | VOLVO460 (EC700) |
| DAEWOO-DH DOOSAN-DX | DH55 | DH60 | DH80 | DH130 | DH150 | DH200 | DH220 | DH258 |
| DH280 | DH300 | DH320 | DH360 | DH370 | DH400 | DH420 | DH500 | |
| DX300 | DX370 | DX380 | ||||||
| KOBELCO-SK | SK35 | SK55 | SK60-1 | SK60-2 | SK60-5 | SK100 | SK120 | SK130-8 |
| SK200-3 | SK200-5 | SK200-8 | SK210 | SK230 | SK250 | SK300 | SK320 | |
| SK330 | SK350 | SK07N2 | ||||||
| SUMITOMO-SH-LS | SH35 | SH55 | SH60 | SH65 | SH75 | SH100 | SH120 | SH120A3 |
| SH200 | SH220 | SH265 | SH280 | SH300 | SH320 | SH340 | SH350 | |
| SH430 | LS2800 | |||||||
| SANY-SY | SY65 | SY90 | SY130 | SY200 | SY215 | SY330 | SY335 | SY365 |
| KATO-HD | HD250 | HD400 | HD450 | HD700 | HD770 | HD820 | HD1571 | HD1250 |
| HD1430 | HD800 | HD1100 | ||||||
| HYUNDAI-R | R55 | R60 | R80 | R130-5 | R130-7 | R150 | R150LC-7 | R200 |
| R200-5 | R210 | R210-3 | R210-7 | R215-7 | R220-5 | R220-5 | R225-7 | |
| R260-5 | R265 | R275 | R290 | R300 | R300-5 | R305 | R320 | |
| R360 | R385 | R420 | R450-3 | R450-5 | ||||
| SUNWARD-SWE | SWE35 | SWE40 | SWE50 | SWE55 | SWE60 | SWE70 | SWE85 | SWE330 |
| YUCHAI-YC | YC35 | YC45 | YC60 | YC85 | YC135 | |||
| Kubota-KX | KX35 | KX50 | KX55 | KX80 | KX85 | KX135 | KX155 | KX185 |
| LIEBHERR-R | R914 | R916 | R924 | R926 | R934C | R944C | R954 | R964/ R974 |
| LIUGONG -LG | LIUGONG150 (LG150) | LIUGONG200(LG200) | LIUGONG220 (LG220) | LIUGONG907 (LG907) | LIUGONG914 (LG914) | LIUGONG925 (LG925) | LIUGONG936 (LG936) | |
| CASE-CX | CX35 | CX45 | CX55 | CX75 | CX135 | CX240 | CX360 | |
| LONKING- | LONKING60 | LONKING65 | LONKING85 | IHISCE-IHI | IHI35 | IHI80 | IHI85 | |
| YANMAR-VIO | VIO30 | VIO40 | VIO55 | VIO75 | TAKEUCHI-TB | TB150 | TB175 | |
| FUTON LOVOL-FR | FR65 | FR85 | ||||||
| MITSUBISHI | MS110 | MS120 | MS180 | MS230 | MS280 | |||
Here are the more machinery models, please kindly contact us freely if any enquiry.
Production process
Company Profile
About us:
Main Market
FAQ
Q: What main products do you supply?
A: Track roller/Carrier roller/ Sprocket/ Segment/ Front idler/ Track shoe/ track chain/ Bolt/ Nut/ Pin/ Bushing/ Seal and gasket/ Filter/ Bucket teeth/ Bucket/ adaptor and other spare parts.
Q: How is your quality?
A: OEM Quality: all products size following OEM strictly. The quality is absolutely guaranteed,
if there are problems related to quality, please tell us, we will do our best to make you satisfied.
Q: What is your delivery time?
A: Generally, If we have your required items in stock, delivery time 7-10 days.
Or if your required items out of stock, delivery time need about 15days.
The actual delivery time depends on the items and the quantity of your order.
Q: What is your sample policy?
A: We accept a trial sample order if ready parts in stock.
You are welcome to send us samples or spec. Drawing. We can build new mould and produce products accordingly.
Q: How to make payment?
A: We accept multiple payment methods: Bank transfer T/T, Paypal, L/C at sight and so on.
Payment=3000USD, 30% T/T in advance , the balance before shipment.
Q: How to track the goods if order shipped?
A: We will inform you the shipping information after your order is sent out.
Express shipment: we will send you express tracking number.
Air shipment: we will send you AWB, Packing list and Commercial invoice and other necessary documents.
Sea shipment: we will send you BL, Packing list and Commercial invoice and other necessary documents.
Q: Which countries have you ever exported to?
A: Our products have been exported to more than 60 countries such as USA, UK, Germany, Russia, UAE, Indonesia, Malaysia, Thailand, Sri Lanka, INDIA, Pakistan, Bangladesh, South Africa, Colombia, Peru and etc.
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| After-sales Service: | Technical Support |
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| Warranty: | 6-12months |
| Type: | Hydraulic Cylinder |
| Samples: | US$ 350/Piece 1 Piece(Min.Order) | Order Sample |
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| Customization: | Available |
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| Shipping Cost: Estimated freight per unit. | about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can boom cylinders be repaired or replaced when damaged?
Yes, boom cylinders can be repaired or replaced when damaged. Here’s a detailed explanation:
Boom cylinders, like any other mechanical component, can experience damage or wear over time due to various factors such as heavy use, environmental conditions, or accidents. However, they can often be repaired or replaced to restore functionality and extend the lifespan of the machinery. Here are the options for addressing damaged boom cylinders:
- Repair: Depending on the extent of the damage and the specific issue, certain components of a boom cylinder can be repaired. Common repairs may include fixing leaks, replacing damaged seals or gaskets, repairing or replacing damaged rods, or reconditioning the cylinder’s body. These repairs are typically performed by skilled technicians or hydraulic specialists who have expertise in boom cylinder repair.
- Replacement of Components: In some cases, specific components of a boom cylinder may need to be replaced. This could include replacing damaged rods, piston heads, seals, or other internal parts. By replacing the damaged components, the cylinder can be restored to proper working condition. It’s important to use high-quality replacement parts that meet the manufacturer’s specifications to ensure compatibility and performance.
- Complete Cylinder Replacement: If the damage to the boom cylinder is extensive or if repair is not feasible, a complete cylinder replacement may be necessary. In such cases, the damaged cylinder is removed from the machinery, and a new or refurbished cylinder is installed. Complete cylinder replacements are typically carried out by authorized service centers or dealerships to ensure proper installation and compatibility with the machinery.
The decision to repair or replace a boom cylinder depends on factors such as the extent of the damage, cost-effectiveness, availability of replacement parts, and the overall condition of the machinery. It is recommended to consult with qualified technicians or professionals who have expertise in hydraulic systems to assess the damage and provide appropriate recommendations.
Regular maintenance and inspections can help detect potential issues with boom cylinders early on, allowing for timely repairs and minimizing downtime. Following the manufacturer’s recommended maintenance schedule and implementing proper operating practices can also contribute to the longevity and reliability of boom cylinders.

Can boom cylinders be used in mining equipment for material transport?
Yes, boom cylinders can be used in mining equipment for material transport. Here’s a detailed explanation:
Mining operations involve the extraction, transportation, and processing of various types of materials, such as ores, coal, and minerals. Boom cylinders play an important role in mining equipment for material transport. Here’s how boom cylinders are utilized in this context:
- Excavators: Excavators are commonly used in mining operations for digging and loading materials onto trucks or conveyors. Boom cylinders in excavators enable the controlled movement and positioning of the boom and bucket. They provide the necessary force to lift and transport large volumes of material efficiently and safely.
- Articulated Trucks: Articulated trucks are used for transporting mined materials within the mining site. Boom cylinders are employed in the dump body of articulated trucks to facilitate controlled dumping of the materials. The cylinders enable the lifting and tilting of the dump body, allowing the material to be discharged at desired locations.
- Stackers and Reclaimers: Stackers and reclaimers are used in mining and bulk material handling operations to stack and reclaim materials in stockpiles. Boom cylinders are utilized in the boom or conveyor systems of these machines to control the movement and positioning of the boom or conveyor. This enables the precise stacking and reclaiming of materials, optimizing storage capacity and material flow.
- Ship Loaders and Unloaders: Ship loaders and unloaders are specialized equipment used in mining ports and terminals. Boom cylinders are integral components of these machines, enabling the controlled movement and positioning of the boom or conveyor systems. They facilitate the loading or unloading of materials onto or from ships with precision and efficiency.
The use of boom cylinders in mining equipment for material transport offers several benefits:
- Efficient Material Handling: Boom cylinders provide the necessary force and controlled movement to handle large volumes of materials efficiently. They enable quick and precise loading, unloading, stacking, and reclaiming of materials, optimizing productivity and reducing operational costs.
- Versatility: Boom cylinders can be customized to match the specific requirements of different mining equipment and material transport tasks. They can accommodate varying load capacities, reach requirements, and operating conditions, ensuring versatility in material handling operations.
- Operator Safety: Boom cylinders contribute to operator safety during material transport operations. The controlled movement and stability provided by boom cylinders minimize the risk of accidents or injuries caused by uncontrolled material movement or sudden shifts in load.
- Durability: Boom cylinders are designed to withstand the demanding conditions of mining environments. They are constructed with robust materials and sealing systems to ensure durability and longevity, even in harsh operating conditions.
Overall, boom cylinders are valuable components in mining equipment for material transport. They enable efficient material handling, versatility, operator safety, and durability in mining operations.
It’s important to consult the equipment manufacturer’s guidelines and recommendations to ensure the proper selection, installation, and maintenance of boom cylinders in mining equipment.

What are the key components and features of a boom cylinder?
A boom cylinder consists of several key components and features that enable its functionality and performance in heavy machinery. Here’s a detailed explanation:
- Cylinder Barrel: The cylinder barrel is the main body of the boom cylinder, typically made of high-strength steel. It houses the piston, seals, and other internal components. The cylinder barrel is designed to withstand high pressure and provide structural integrity to the cylinder.
- Piston: The piston is a cylindrical component that moves back and forth inside the cylinder barrel. It is usually made of durable materials and acts as a barrier between the two chambers of the cylinder. The piston divides the cylinder into a rod side and a cap side, allowing hydraulic fluid to act on one side or the other to create the desired motion.
- Rod: The rod is a solid metal shaft attached to the piston and extending outside the cylinder barrel. It transmits the force generated by the hydraulic fluid to the boom or other connected components. The rod is designed to withstand tensile and compressive forces and is often coated or treated to resist corrosion and wear.
- Seals: Seals are essential components that prevent hydraulic fluid leakage and maintain the integrity of the cylinder. They are positioned between the piston, rod, and cylinder barrel to create a tight seal. Common types of seals used in boom cylinders include piston seals, rod seals, and wiper seals.
- Ports and Fittings: Boom cylinders have ports and fittings that allow the connection of hydraulic hoses or pipes to supply hydraulic fluid. These ports enable the controlled flow of hydraulic fluid into and out of the cylinder, creating the necessary pressure for boom movement.
- Mounting Brackets: Mounting brackets are used to attach the boom cylinder to the heavy machinery’s frame or structure. They provide stability and support, ensuring proper alignment and secure installation of the cylinder.
- Internal Cushions: Some boom cylinders feature internal cushions or shock absorbers. These cushions help dampen the impact and reduce vibrations during the extension or retraction of the boom. Internal cushions improve the smoothness of boom movement, enhance operator comfort, and reduce stress on the cylinder and other components.
- Corrosion Protection: Boom cylinders are often coated or treated with corrosion-resistant materials to withstand harsh environmental conditions. These protective measures help extend the cylinder’s lifespan and maintain its performance over time.
- Load Capacity and Pressure Rating: Boom cylinders are designed with specific load capacities and pressure ratings to handle the heavy loads and pressures involved in heavy machinery operations. The load capacity and pressure rating determine the cylinder’s strength and suitability for different applications.
In summary, the key components and features of a boom cylinder include the cylinder barrel, piston, rod, seals, ports and fittings, mounting brackets, internal cushions, corrosion protection, load capacity, and pressure rating. These components and features work together to enable the controlled extension, retraction, lifting, and lowering of the boom in heavy machinery, ensuring efficient and reliable operation.


editor by CX 2024-02-09