801134077 o-ring 85×3.55 XCMG XE2000 excavator spare parts

XCMG XE2000 Excavator O-ring (801134077): The Core of Sealing Guarantee with 85×3.55 Dimensions

In the precision hydraulic system of large mining excavators, the small O-ring plays a crucial role in preventing fluid leakage. The XCMG XE2000 excavator-specific O-ring (specification: 85×3.55, part number: 801134077), with its superior sealing performance and durable quality, provides a solid defense for the stable operation of the equipment’s hydraulic system.

Precision Sealing, Eliminating Leakage Risks

The hydraulic system is the core of the excavator’s power transmission; any minor leak can lead to power loss, reduced efficiency, or even component damage. This O-ring is machined with high-precision molds, with the dimensional error between the 85mm outer diameter and the 3.55mm wire diameter controlled within the industry-leading ±0.05mm range, achieving a perfect fit with the corresponding sealing groove. Made from high-quality nitrile rubber, it possesses excellent elasticity and compression resilience, forming a uniform and stable sealing contact surface under high-pressure hydraulic conditions. This effectively prevents leakage of hydraulic oil, coolant, and other fluid media, avoiding equipment failures caused by leaks at the source.

Extreme operating condition tolerance, extended replacement cycle

In mining environments, O-rings must withstand multiple challenges, including high temperatures, oil contamination, and vibration. XCMG 801134077 O-rings use an oil- and temperature-resistant nitrile rubber formula, treated with a special vulcanization process, maintaining stable performance within a temperature range of -40℃ to 120℃. They exhibit excellent resistance to swelling from hydraulic oil and mineral oil. Accelerated aging tests in the laboratory show that its service life is more than 50% longer than ordinary O-rings. On an XE2000 excavator operating at high intensity for an average of 16 hours per day, it can achieve 800 hours of continuous trouble-free operation, significantly reducing downtime for maintenance due to seal failure.

Original Equipment Manufacturer (OEM) Fit, Ensuring System Coordination

As an OEM part from XCMG, this O-ring (801134077) is specifically designed for key components of the XE2000 excavator’s hydraulic system, precisely matching the sealing requirements of core hydraulic components such as the main pump, main valve, and cylinders. It is perfectly compatible with the pressure parameters and media characteristics of the entire machine’s hydraulic system, maintaining reliable sealing even under the XE2000’s high working hydraulic pressure of up to 35MPa. This avoids problems such as seal failure and system contamination caused by non-OEM parts’ size incompatibility or material incompatibility, ensuring efficient and coordinated operation of the hydraulic system.

XCMG XE2000 Excavator O-ring (85×3.55, part number 801134077) – Protecting power with precision sealing, reducing costs with durable quality, and ensuring reliability with OEM fit, it is an indispensable sealing guardian for the hydraulic system of large mining excavators.

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318307325 pump oil suction pipeline

1 329900304 36 THICKENED FLAT WASHER
2 805047646 18 BOLT M16×45 GB/T5782-2000
3 329900303 16 THICKENED FLAT WASHER
4 805011131 18 BOLT M16×50 GB/T5782-2000
5 805049511 16 BOLT M12×45 GB/T5782-2000
6 800161669 12 HOSE CLAMP
7 800161637 8 HOSE CLAMP
8 318307470 1 COOLING PUMP GEAR PIMP MOUNTING
9 318307317 1 STEEL PIPE ASSEMBLY
10 318307310 3 STEEL PIPE ASSEMBLY
11 318307321 3 OIL SUCTION HOSE
12 318307320 3 STEEL PIPE ASSEMBLY
13 318307316 1 STEEL PIPE ASSEMBLY
14 318307318 1 STEEL PIPE ASSEMBLY
15 318307315 1 STEEL PIPE ASSEMBLY
16 318307323 2 STEEL PIPE ASSEMBLY
17 318307313 2 OIL SUCTION HOSE
18 318307312 2 STEEL PIPE ASSEMBLY
19 801134077 9 ORING 85×3.55 GB/T3452.1-2005
20 803174967 1 ORING 40×3.55 GB/T3452.1-2005
21 803192098 4 ORING 60×3.55 GB/T3452.1-2005
22 805139896 12 SCREW M16×50 GB/T70.1-2008
23 805139869 8 SCREW M12×35 GB/T70.1-2008
24 318307311 1 STEEL PIPE ASSEMBLY
25 801102881 1 ORING 42.5×3.55 GB/T3452.1-2005
26 318307467 1 MAIN PUMP I MOUNTING
27 318307469 1 MAIN PUMP II MOUNTING
28 318307468 1 MAIN PUMP III MOUNTING

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