803105846 XCMG GR2605 motor grader hose assembly

803105846 XCMG GR2605 motor grader hose assembly

The 803105846 hose assembly is a core component of the XCMG GR2605 grader’s original factory-designated hydraulic system. It is compatible with the machine’s high-pressure hydraulic system, undertaking the crucial task of stable hydraulic oil delivery and pressure transmission. It directly impacts the accuracy and response speed of key actuators such as the blade lifting control circuit, the right articulated steering auxiliary circuit, and the hydraulic valve group output lines branch lines. In harsh operating environments characterized by long-term heavy loads, high-frequency vibration, and dust and mud erosion, such as highway construction, mine stripping, airport runway construction, and large-scale earthwork projects, it can reliably withstand high-pressure impacts and is less prone to bursting, oil leakage, aging cracking, and other malfunctions. This effectively reduces the frequency of hydraulic system downtime for maintenance, ensuring continuous equipment operation efficiency.

The hose features a three-layer reinforced composite structure with an optimized design. The inner tube is made of high-quality oil-resistant nitrile rubber (NBR), with an oil swelling rate of ≤2.3% and excellent corrosion chemical resistance. It is compatible with wear-resistant and weather-resistant synthetic rubber material with a Shore hardness of 68HA, excellent flexibility, UV aging resistance, and outstanding resistance to sand and gravel abrasion. It showed no cracking or fading after 6000 hours of outdoor aging testing. The connector is precision forged from 35# steel and then treated with phosphate and galvanizing for double anti-corrosion. It is equipped with an original custom fluororubber (FKM) sealing ring, achieving an IP65 protection rating, perfectly matching the original vehicle interface specifications, and can directly replace aged or damaged original vehicle hoses.

List of Compatible Hydraulic Components

Shovel Lifting Control Circuit (Compatible with cylinder model 803089855)
Right Articulated Steering Auxiliary Circuit (Compatible with cylinder model 803077608)
Hydraulic Valve Assembly Output Branch Pipeline (Compatible with GR2605 High-Pressure Valve Assembly)
Side Push Cylinder Auxiliary Circuit (Compatible with GR2605 Dedicated Model)
Hydraulic Pump Outlet Auxiliary Pipeline (Matching Original High-Pressure Hydraulic Pump)
High-Pressure Accumulator Auxiliary Connection Pipeline (Supports System Pressure Stability)
Brake Auxiliary Hydraulic Circuit (Compatible with Wet Brake Drive Axle)

Core Parameters

Part Model: 803105846
Product Name: Hose Assembly
Applicable Models: XCMG GR2605 Motor Grader
Application: High-pressure oil transmission and pressure transfer in hydraulic systems
Structure: Three-layer reinforced composite structure (high-quality NBR inner tube + (Dense steel wire braid + synthetic rubber outer layer) Rated working pressure: 41MPa Instantaneous impact pressure: 61MPa Working temperature range: -40℃ to 126℃ Hose inner diameter: 17mm Standard length: 1000mm (customizable to original factory requirements) Features: Suitable for medium and high pressure, impact and fatigue resistant, long-lasting leak-proof seal, wear and weather resistant, precise original factory fit, excellent flexibility Applicable working conditions: Heavy-duty flat ground operations such as highways, mines, airports, earthmoving, etc. Quality assurance: Genuine original factory product, 12-month warranty (excluding human-caused damage)

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