803180793 XCMG GR2605 motor grader hose assembly

803180793 XCMG GR2605 motor grader hose assembly

The 803180793 hose assembly is a core component of the original hydraulic piping system for the XCMG GR2605 grader. It plays a crucial role in the stable delivery and pressure transmission of medium- and high-pressure hydraulic oil, directly impacting the accuracy and response speed of key actuators such as the blade lifting control circuit, the right articulated steering main hydraulic circuit, and the hydraulic valve group input lines. In harsh operating environments characterized by long-term heavy loads, high-frequency vibrations, and dust and mud erosion, such as highway construction, mine stripping, airport runway construction, and large-scale earthwork projects, it can stably withstand instantaneous impact pressures up to 62MPa, resisting ruptures, oil leaks, aging cracks, 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 optimized design. The inner tube is made of imported oil-resistant nitrile rubber (NBR), with an oil swelling rate of ≤2.3% and excellent chemical corrosion resistance. It is compatible with XCMG original L-HM 46/68 anti-wear hydraulic oil and high-temperature hydraulic oil L-HS 46. The middle layer is a high-tensile-strength galvanized steel wire braided reinforcement layer, using a high-density braiding process. Its breaking strength is ≥1950MPa, providing more stable pressure resistance and better deformation resistance, suitable for medium and high-pressure core circuit requirements. The outer rubber layer is made of wear-resistant and weather-resistant special synthetic rubber material with a Shore hardness of 69HA. It has excellent flexibility, resistance to UV aging, and outstanding resistance to sand and gravel abrasion. After 6000 hours of outdoor aging test, it showed no cracking or fading, significantly extending its service life. The connector is made of 40# steel precision forging and then subjected to phosphate and galvanizing double anti-corrosion treatment. The corrosion resistance level reaches the GB/T 10125 700-hour salt spray test standard. With the original factory customized O-ring (made of fluororubber FKM), the sealing performance reaches the IP66 protection level, perfectly adapting to the original vehicle interface specifications and can directly replace the aging and damaged original vehicle hoses.

List of Compatible Hydraulic Components

Shovel Lifting Control Circuit (Compatible Cylinder Model 803089855)

Right Articulated Steering Main Hydraulic Circuit (Compatible Cylinder Model 803077608)

Hydraulic Valve Assembly Input Pipeline

Side Push Cylinder Control Hydraulic Circuit (Compatible with GR2605 Dedicated Model)

Hydraulic Pump Outlet Main Branch Pipeline

High-Pressure Accumulator Main Connection Pipeline

Brake Main Hydraulic Auxiliary Circuit

Core Parameters

Part Model: 803180793
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 (imported NBR inner tube + high-density steel wire braid + … Special synthetic rubber outer casing
Rated working pressure: 42MPa
Instantaneous impact pressure: 62MPa
Working temperature range: -45℃ to 128℃
Hose inner diameter: 17mm
Standard length: 1150mm (customizable to original factory requirements)
Features: Suitable for medium and high pressure core circuits, 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, and earthmoving
Quality guarantee: Genuine original factory product, 12-month warranty (excluding human-caused damage)

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