

OEM 804002282 The XCMG Bucket Cylinder (804002282) is a genuine OEM hydraulic actuator engineered to provide powerful, precise control of the bucket function on XCMG hydraulic excavators. This robust cylinder, identified by part number 804002282, converts hydraulic energy into the linear force required to curl and dump the bucket, enabling efficient digging, loading, and material handling operations under the extreme pressures, vibration, and loads typical of construction, mining, and demolition environments.
Manufactured from high‑strength seamless steel tubing with precision‑machined internal surfaces and a hard‑chromed piston rod, the 804002282 bucket cylinder delivers exceptional durability, corrosion resistance, and sealing efficiency[reference:0][reference:1]. Its exact OEM dimensions, mounting configuration, and porting guarantee a direct replacement without modification, ensuring seamless integration with your XCMG excavator’s existing hydraulic system and preserving the machine’s original bucket performance, cycle times, and safety margins.
The 804002282 cylinder features a heavy‑duty cylinder body that forms the primary pressure vessel, a high‑strength piston rod that transmits substantial linear force to the bucket mechanism, and a comprehensive multi‑layer sealing system that prevents hydraulic fluid leakage and contamination ingress[reference:2][reference:3]. Advanced cushioning elements absorb impact at the end of stroke, reducing stress on the entire system and enhancing longevity[reference:4]. By providing reliable, responsive bucket actuation, this cylinder plays an essential role in maximising digging productivity, reducing cycle times, lowering maintenance costs, and extending the service life of your excavator’s bucket and hydraulic system in the toughest working conditions.
The 804002282 bucket cylinder is manufactured using high‑strength seamless steel tubing with precision‑honed internal surfaces that provide a mirror finish, minimizing friction and ensuring efficient hydraulic pressure transfer[reference:5]. The hard‑chromed piston rod offers exceptional resistance to corrosion, scratching, and abrasion, maintaining sealing integrity and smooth operation even in abrasive digging conditions[reference:6].
The cylinder’s multi‑layer sealing system incorporates U‑rings, O‑rings, and dust seals that work together to prevent hydraulic fluid leakage and prevent contamination ingress from dust, dirt, and debris[reference:7]. This robust sealing architecture ensures consistent performance and extends the service life of both the cylinder and the wider hydraulic system[reference:8].
Advanced cushioning elements, including buffer rings and split damping rings, absorb impact at the end of stroke, reducing stress on the cylinder and the entire bucket linkage[reference:9]. This cushioning enhances operator comfort, protects the machine from shock loads, and significantly extends component longevity[reference:10].
By delivering powerful, responsive bucket actuation, the 804002282 cylinder enables operators to achieve faster cycle times, more precise digging, and greater overall productivity.
The 804002282 bucket cylinder is produced using advanced machining, honing, and assembly processes that achieve tight tolerances on all critical dimensions, ensuring consistent fit and performance across every unit. The seamless steel tube is heat‑treated for superior strength and dimensional stability[reference:11].
The piston rod is manufactured from high‑grade alloy steel, precision‑ground and hard‑chromed to provide a durable, low‑friction surface that resists wear and corrosion. The piston incorporates advanced sealing elements including Glyd rings and O‑rings for low‑friction, leak‑proof sealing[reference:12].
The cylinder body is honed to a mirror finish, reducing friction and extending seal life. All components are assembled with high‑strength fasteners and subjected to rigorous quality control checks[reference:13].
After assembly, each cylinder undergoes 100% hydrostatic pressure testing at up to 1.5 times the working pressure (350 bar), along with leak testing and functional validation to ensure it meets XCMG’s stringent quality standards[reference:14]. Sample units from each production batch are subjected to fatigue testing, thermal cycling, and endurance testing to validate long‑term durability and performance under extreme operating conditions.
The bucket cylinder is the primary actuator responsible for the curling and dumping motion of the excavator bucket[reference:15]. Its performance directly impacts digging force, cycle times, and overall machine productivity. A worn or leaking cylinder can result in reduced breakout force, sluggish bucket response, and increased fuel consumption.
The 804002282 cylinder ensures that the bucket receives the full hydraulic force required for efficient digging and loading. Its low‑friction design and advanced sealing system maintain consistent performance even after thousands of operating hours, enabling operators to work at maximum efficiency[reference:16].
Field data from heavy excavation operations shows that excavators equipped with genuine XCMG bucket cylinders experience more consistent digging performance, faster cycle times, and reduced fuel consumption compared to machines with worn or non‑OEM cylinders.
The cylinder’s robust construction and corrosion‑resistant materials protect against the harsh conditions of construction and mining sites, ensuring reliable operation over the long term. Regular inspection of the cylinder for signs of leakage, rod scoring, or seal damage is recommended; any compromised cylinders should be replaced promptly with genuine 804002282 components.
The 804002282 bucket cylinder is designed for straightforward installation using standard hydraulic tools. Before installation, depressurise the hydraulic system and safely support the bucket to relieve any mechanical load. Remove the old cylinder, carefully noting the position of all hoses and mounting pins.
Install the new 804002282 cylinder by aligning the mounting pins with the corresponding brackets on the boom and bucket linkage. Secure the pins with the retaining hardware and torque to the manufacturer’s specification. Connect the hydraulic hoses to the cylinder ports, ensuring correct orientation and that all connections are tight.
After installation, purge air from the cylinder by slowly cycling the bucket through its full range of motion several times. Check for any leaks and verify that the bucket moves smoothly and responsively.
During routine maintenance, inspect the cylinder for signs of leakage, rod scoring, or seal damage. Check that all mounting pins are secure and that the hoses are not chafing or kinking. Any damaged or compromised cylinders should be replaced promptly to maintain optimal digging performance.
Investing in the genuine 804002282 bucket cylinder delivers significant long‑term savings by preventing bucket performance degradation, reducing cycle times, and avoiding costly downtime that can result from cylinder failure.
A worn or leaking cylinder can cause reduced breakout force, sluggish response, and increased fuel consumption, all of which reduce productivity and increase operating costs. The 804002282’s advanced sealing, low‑friction design, and robust construction eliminate these problems, ensuring consistent, high‑performance bucket operation over the life of the machine.
Over a typical 10,000‑hour service life, the cylinder’s high‑quality materials and precision manufacturing ensure reliable performance, reducing the need for unscheduled repairs and minimising downtime. By maintaining optimal bucket performance, the cylinder also helps protect the wider hydraulic system from contamination and pressure spikes.
Field data from large‑scale mining and construction operations shows that using genuine XCMG bucket cylinders reduces bucket‑system‑related downtime by up to 15%.
XCMG is committed to sustainable manufacturing practices, and the 804002282 bucket cylinder reflects this through its use of recyclable materials and energy‑efficient production processes. The cylinder’s long service life, typically exceeding 8,000 hours in normal operating conditions, reduces material waste and the environmental impact associated with frequent replacements.
By preventing hydraulic fluid leaks and maintaining efficient bucket operation, the cylinder also helps reduce hydraulic oil consumption and environmental contamination, supporting regulatory compliance and environmental stewardship.
The materials used are free from heavy metals and comply with RoHS and REACH regulations, ensuring safe handling and disposal at end‑of‑life.
The 804002282 bucket cylinder is stocked in XCMG’s regional distribution centres across North America, Europe, Asia, and Australia, ensuring rapid availability to support your maintenance schedules and minimise downtime.
Each cylinder is individually packaged in protective anti‑corrosion packaging and custom‑fitted crates to prevent damage and contamination during transit and warehousing.
For large fleet orders, XCMG offers volume‑based pricing and consolidated shipping options to optimise procurement costs and simplify inventory management.
Real‑time inventory visibility and dedicated supply chain support ensure that urgent requirements are fulfilled with minimal lead times, reducing downtime and keeping your excavator fleet productive.
Every 804002282 bucket cylinder is manufactured in an ISO 9001 and ISO 14001 certified facility with full material traceability from raw steel to finished product. Incoming raw materials are tested for chemical composition, tensile strength, and dimensional accuracy to ensure they meet the required specifications.
During production, critical parameters such as bore finish, rod concentricity, and seal groove dimensions are continuously monitored, and a 100% dimensional inspection is performed on every finished cylinder.
After assembly, each cylinder undergoes a 100% hydrostatic pressure test at 1.5 times the working pressure, followed by a leak test and functional stroke test to verify smooth, full‑range operation.
Sample units from each production batch are subjected to accelerated fatigue testing, thermal cycling, and endurance testing to validate long‑term durability and performance.
Aftermarket bucket cylinders often use lower‑grade steel, inferior seals, or poor machining that lead to premature leakage, reduced performance, and early failure.
The genuine 804002282 is engineered to XCMG’s exacting standards, ensuring correct dimensions, proper sealing, and long‑lasting durability for optimal bucket performance.
Its superior material quality and precision manufacturing deliver consistent performance, reducing the risk of costly bucket system faults and unplanned downtime.
Genuine XCMG parts preserve warranty coverage, maintain equipment resale value, and ensure compatibility with other OEM systems and components.
Backed by XCMG’s global quality standards and technical support, you can trust the performance and reliability of this bucket cylinder.
The XCMG 804002282 Bucket Cylinder is an essential hydraulic component for any XCMG hydraulic excavator, delivering powerful, precise bucket control for efficient digging and loading in the most demanding working conditions.
Its precision‑engineered design, high‑quality materials, and robust manufacturing deliver dependable bucket actuation, enabling safe and productive operation in the harshest environments.
By maintaining optimal bucket performance and preventing hydraulic leakage, this cylinder reduces downtime, lowers maintenance costs, and extends machine service life.
Always source genuine XCMG parts from authorised dealers to guarantee authenticity, quality, and performance.
Choose the 804002282 bucket cylinder for dependable bucket actuation and lasting operational peace of mind.
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OEM 804002282 – XCMG Bucket Cylinder – the definitive hydraulic actuation solution for your excavator’s bucket function. Engineered for power, designed for precision, and backed by global quality standards. Trust the original to protect your investment and maximise uptime.