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XCMG Bucket Cylinder Seal Kit OEM 860167861 – Complete Hydraulic Seal Kit for Excavator Bucket Cylinder

XCMG Bucket Cylinder Seal Kit 860167861
Bucket Cylinder Seal Kit
XCMG Комплект уплотнений цилиндра ковша 860167861
Комплект уплотнений цилиндра ковша
XCMG Kit de sellos para cilindro de cucharón 860167861
Kit de sellos para cilindro de cucharón

OEM 860167861 The XCMG Bucket Cylinder Seal Kit (860167861) is a genuine OEM re-sealing solution engineered to restore the sealing integrity of bucket cylinders on XCMG hydraulic excavators. This comprehensive seal kit, identified by part number 860167861, contains all necessary polyurethane, PTFE, and rubber sealing components to eliminate internal and external leakage, ensuring consistent bucket digging and curling power in the most demanding construction, mining, and demolition environments. The kit delivers robust sealing performance that withstands high pressures, extreme shock loads, and constant hydraulic cycling.

Manufactured from premium wear‑resistant materials – including polyurethane rod seals, PTFE piston seals, and nitrile rubber O‑rings – the 860167861 seal kit provides exceptional extrusion resistance, low friction, and long‑term durability under continuous dynamic loading. Each component is precision‑moulded to exact OEM tolerances, guaranteeing a perfect fit without modification and ensuring seamless integration with your XCMG excavator’s bucket cylinder bore and rod dimensions, while restoring the machine’s original breakout force and cycle efficiency.

The 860167861 seal kit features a complete set of rod wipers, U‑cup rod seals, piston seals, and backup rings engineered to prevent fluid bypass and contamination ingress. The optimised seal profile ensures minimal friction, eliminating stick‑slip and enabling smooth, responsive bucket operation. By providing a reliable, leak‑free sealing solution, this seal kit plays an essential role in reducing maintenance frequency, enhancing machine productivity, lowering repair costs, and extending the service life of your excavator’s bucket cylinder in the toughest working conditions.

Bucket Cylinder Seal Kit 860167861 – Technical Specifications

ParameterSpecification
OEM Number860167861
Product NameBucket Cylinder Seal Kit (Re-seal Kit)
BrandXCMG (Genuine OEM)
Cylinder Bore Diameter (compatible)100 mm
Rod Diameter (compatible)60 mm
Kit ContentsRod seal (U-cup), wiper seal, piston seal (compact), backup rings, O-rings, anti-extrusion rings
Rod Seal TypePolyurethane U-cup with anti-extrusion ring
Piston Seal TypePTFE composite with elastomeric energiser
Wiper Seal TypePolyurethane scraper (double lip)
O-ring MaterialNBR (70 Shore A)
Maximum Working Pressure35 MPa (350 bar)
Operating Temperature Range-40°C to +110°C
Seal Hardness (Rod/Piston)90 Shore A (PU) / 60 Shore D (PTFE)
Minimum Tensile Strength (PU)≥ 40 MPa
Compression Set (PU, 70h at 100°C)≤ 20%
Surface Finish CompatibilityRod: Ra 0.1–0.4 µm / Bore: Ra 0.2–0.8 µm
Fluid CompatibilityMineral oils, synthetic oils, water-glycol, biodegradable fluids
Kit Weight (approx.)0.65 kg
CompatibilityXCMG XE series excavators – bucket cylinders (XE210, XE240, XE270, XE305, XE370 and variants)
StandardsISO 9001:2015, ISO 14001:2015, RoHS compliant

Engineered for Zero‑Leakage and Peak Bucket Performance

The 860167861 seal kit is assembled from premium polyurethane, PTFE, and NBR components that provide exceptional resistance to hydraulic fluids, abrasion, and extrusion. The advanced material selection ensures that the seals maintain their geometry and sealing force even under continuous high‑pressure operation, thermal cycling, and shock loads typical of heavy excavation work.

The rod seal’s polyurethane U‑cup design with a built‑in anti‑extrusion ring provides superior sealing on the cylinder rod, preventing fluid bypass and maintaining full breakout force. The PTFE piston seal with energiser delivers low friction and excellent wear resistance, ensuring smooth bucket curling and dumping cycles.

The double‑lip wiper seal effectively removes contaminants from the rod during retraction, preventing abrasive particles from entering the cylinder and damaging the rod and seals. The included backup rings and O‑rings complete the sealing system, ensuring zero leakage at all static and dynamic interfaces.

By providing a complete, matched set of seals, the 860167861 kit plays a vital role in restoring cylinder efficiency, reducing internal cross‑port leakage, and eliminating external drips that can stain worksites and contaminate soil.

Whether used for bucket digging, trenching, or material handling, this seal kit delivers dependable sealing performance that keeps your XCMG excavator’s bucket cylinder operating at peak efficiency.

Advanced Materials and Precision Manufacturing

Each component in the 860167861 seal kit is precision‑moulded or machined to exacting tolerances, ensuring a perfect fit in the cylinder’s seal grooves without trimming or adjustment.

The polyurethane material is specifically formulated for high‑pressure hydraulic applications, offering exceptional tensile strength, tear resistance, and low compression set. The PTFE compound includes special fillers to reduce friction and improve wear resistance against hard chrome rod surfaces.

All sealing elements are 100% inspected for dimensional accuracy and surface defects using automated vision systems. Sample seals from each batch undergo dynamic sealing performance tests, extrusion resistance tests, and accelerated wear tests to verify durability.

The result is a seal kit that delivers consistent, reliable sealing performance throughout the service life of your XCMG excavator’s bucket cylinder.

Critical Role in Excavator Bucket Force and Cycle Efficiency

The bucket cylinder is responsible for curling and dumping the bucket, directly influencing digging force, cycle time, and material retention. Worn seals allow internal bypass, reducing effective piston area and causing slow bucket response and loss of breakout force.

The 860167861 seal kit restores full sealing integrity, eliminating internal leakage and ensuring that full pump flow is converted into productive work. This results in faster bucket cycles, higher digging forces, and reduced fuel consumption per tonne of material moved.

Field data from heavy excavation operations shows that machines re‑sealed with genuine XCMG kits regain up to 95% of original cylinder efficiency, compared to aftermarket kits that often deliver less than 80%. Genuine XCMG seal kits have been shown to last twice as long as generic alternatives.

The kit’s high‑quality wiper also prevents abrasive particles from scoring the rod, preserving the rod’s hard chrome surface and extending the life of future seal replacements.

Regular re‑sealing of bucket cylinders with genuine 860167861 kits is recommended every 4,000–5,000 hours or whenever leakage or performance loss is observed.

Proper Installation and Handling Guidelines

The 860167861 seal kit is designed for professional installation by trained technicians following standard hydraulic cylinder re‑sealing practices.

Before installation, thoroughly clean all cylinder components and inspect the rod and bore surfaces for scoring, pitting, or corrosion. Damaged surfaces must be reconditioned or replaced to ensure seal longevity.

Lubricate all seals with clean hydraulic oil or an approved assembly paste. Use proper installation tools to avoid twisting, pinching, or damaging the seals during insertion. Never use sharp tools or excessive force.

Follow the cylinder manufacturer’s torque specifications for reassembly. After installation, cycle the cylinder slowly at low pressure to purge air and verify smooth operation. Check for external leaks after pressurisation.

Replace the entire kit rather than individual seals to ensure balanced sealing performance. Store unused kits in a cool, dry place away from ozone and UV light.

Operational Efficiency and Cost‑Saving Benefits

Investing in the genuine 860167861 seal kit delivers significant long‑term savings by restoring cylinder performance, reducing fuel consumption, and avoiding costly downtime due to poor bucket performance.

A leaking bucket cylinder wastes hydraulic energy, increases cycle times, and can lead to bucket drift, which compromises safety and productivity. The 860167861 kit eliminates these issues, returning the cylinder to OEM efficiency.

Over the typical service interval of 5,000 hours, a re‑sealed cylinder using genuine seals can save up to 5% in fuel costs and increase material moved per hour by 8–12%, based on field studies.

By preventing external leaks, the kit also reduces oil consumption and prevents environmental contamination, lowering waste disposal costs and compliance risks.

Genuine XCMG seal kits are a proven investment, delivering a high return through improved uptime and extended cylinder life.

Sustainability and Lifecycle Advantages

XCMG’s seal kits are manufactured with environmentally responsible materials and processes, minimising waste and energy consumption.

The long service life of genuine seals reduces the frequency of replacements, cutting down on packaging waste and transport emissions. Re‑sealing a cylinder rather than replacing it entirely conserves raw materials and energy.

By eliminating fluid leaks, the kit prevents soil and water contamination, helping operators maintain compliance with environmental regulations.

All materials used are free from hazardous substances and are RoHS compliant, ensuring safe handling and disposal at end‑of‑life.

Choosing genuine XCMG seal kits supports sustainable equipment management while delivering superior operational reliability.

Global Logistics and Supply Chain Support

The 860167861 seal kit is stocked in XCMG’s regional distribution centres across North America, Europe, Asia, and Australia, ensuring rapid availability to support your maintenance schedules.

Each kit is packaged in a sturdy, sealed bag to prevent contamination and moisture ingress, with individual compartments for each seal type to simplify identification during installation.

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.

With XCMG’s global aftermarket network, you can rely on consistent product quality and availability to keep your fleet performing optimally.

Quality Assurance and Testing Protocols

Every 860167861 seal kit is assembled in an ISO 9001 and ISO 14001 certified facility with full material traceability.

Incoming raw materials are tested for hardness, tensile strength, compression set, and fluid compatibility to ensure they meet XCMG’s strict specifications.

During production, each seal is individually inspected for dimensional accuracy, flash, and surface defects. The kit is then assembled and verified against the bill of materials to ensure completeness.

After assembly, sample kits are subjected to dynamic sealing tests, extrusion resistance tests, and thermal cycling tests to validate performance.

Only kits that pass all quality checks are released, ensuring that you receive a reliable, high‑performance sealing solution.

Why Choose Genuine XCMG 860167861?

Aftermarket seal kits often use inferior elastomers, imprecise dimensions, or missing backup rings, leading to premature failure, leakage, and reduced bucket performance.

The genuine 860167861 is engineered to XCMG’s exacting standards, ensuring correct fit, optimal sealing force, and long‑lasting durability for dependable bucket cylinder performance.

Its superior material quality and precision manufacturing deliver consistent performance, reducing the risk of costly leak‑related faults and unplanned downtime. Genuine XCMG kits have been proven to last twice as long as aftermarket alternatives.

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 seal kit.

Choose genuine XCMG for uncompromising sealing performance in the toughest operating conditions.

Conclusion

The XCMG 860167861 Bucket Cylinder Seal Kit is an essential re‑sealing solution for any XCMG hydraulic excavator, providing complete sealing integrity for bucket cylinders in the most demanding working conditions.

Its precision‑engineered components, premium materials, and robust manufacturing deliver dependable sealing performance, enabling safe and productive operation in the harshest environments.

By preventing leakage and restoring cylinder efficiency, this seal kit 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 860167861 seal kit for dependable bucket performance and lasting operational peace of mind.

Partner with XCMG – your trusted source for heavy equipment sealing solutions that deliver real value.


OEM 860167861 – XCMG Bucket Cylinder Seal Kit – the definitive re‑sealing solution for your excavator’s bucket cylinder. Engineered for durability, designed for precision, and backed by global quality standards. Trust the original to protect your investment and maximise uptime.

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