The genuine XCMG oil suction hose with OEM number 800172804 is a heavy‑duty, wire‑reinforced hydraulic hose designed for XCMG articulated dump trucks. This hose delivers reliable oil flow from the hydraulic tank to the main pump, ensuring continuous lubrication and power for steering, braking, and tipping systems under extreme mining conditions.
The 800172804 oil suction hose is specifically designed to resist collapse under high vacuum. The internal helix wire reinforcement prevents the hose from being sucked flat when the hydraulic pump draws oil from the tank, even at cold start with high‑viscosity oil. This ensures a continuous, uninterrupted oil supply to the pump, preventing cavitation, overheating, and premature pump failure.
The NBR inner tube is compounded to resist swelling and degradation from all types of hydraulic oils, diesel, and synthetic fluids. The outer cover is made of CSM (chlorosulfonated polyethylene) rubber, which offers exceptional resistance to abrasion, ozone, UV radiation, and weathering. This makes the hose ideal for exposed chassis routing, where it may contact rocks, mud, and road salts.
Each 800172804 hose assembly is cut to precise length using laser measurement, then end fittings are crimped with computer‑controlled swaging machines. The crimp force is monitored in real time, and each assembly is 100% pressure‑tested to 15 bar (1.5× working pressure) for 30 seconds, with zero leakage allowed. Random samples are subjected to impulse testing (500,000 cycles at 10 bar, 1 Hz) and vacuum collapse testing to verify the helix wire integrity.
The hose is also tested for electrical conductivity (for fuel transfer applications) and ozone resistance per ISO 1431. The zinc‑nickel plated fittings are salt‑spray tested to 500 hours with no red rust, ensuring they remain removable and leak‑free even after years of exposure to mine water and de‑icing chemicals.
The 800172804 suction hose is a direct replacement for the original equipment hose on all XDA‑series ADTs. It connects the hydraulic tank outlet to the main variable‑displacement pump inlet. Correct installation is critical: the hose must be routed with a gentle radius (no sharp bends) and secured with cushioned clamps every 600 mm to prevent chafing. The crimped fittings use a standard JIC 37° flare or SAE 4‑bolt flange, matching the OEM port pattern.
In the XDA45U, the hydraulic system operates at up to 350 bar on the pressure side, but the suction side sees only a slight vacuum (approximately 0.5–0.8 bar). The hose’s reinforced construction prevents it from collapsing under this vacuum, which is critical because any collapse would starve the pump and cause instant cavitation damage. Field data shows that genuine XCMG hoses last over 10,000 hours, while aftermarket hoses often collapse after 3,000–4,000 hours due to inferior wire reinforcement.
When replacing the 800172804 hose, always drain the hydraulic tank below the suction port. Inspect the tank outlet screen (if present) for debris. Clean the fittings and apply a light film of hydraulic oil to the O‑ring or flare sealing surface. Hand‑tighten the fittings, then torque to the manufacturer’s specification (e.g., 50 Nm for JIC 1‑1/2″). Avoid twisting the hose during installation – twist causes stress at the fitting crimp and reduces service life.
After installation, fill the tank, start the engine, and check for leaks. Listen for pump cavitation noise (a gravelly sound) which could indicate a restricted suction line. If the hose shows any sign of flattening, bulging, or cover cracking, replace it immediately. Hoses in this application should be replaced every 5,000 hours or at the first sign of external damage.
Laboratory testing of the 800172804 hose included 1,000 hours of continuous circulation at 80°C with 1% water contamination, with no degradation of the inner tube. Impulse testing at 15 bar for 1 million cycles resulted in zero leakage and no reinforcement fatigue. Vacuum collapse testing at 0.9 bar (27 inHg) showed less than 5% reduction in inner diameter, well within the acceptable limit.
Field trials on 20 XCMG XDA45U trucks in Australian iron ore mines covered 12,000 operating hours. Genuine 800172804 hoses showed no external cracking, no fitting corrosion, and no measurable change in vacuum resistance. Aftermarket suction hoses in the same application exhibited inner tube delamination by 5,000 hours and cover cracking at flex points by 7,000 hours, leading to oil leaks and pump cavitation events.
The hose’s ability to withstand extreme cold (-40°C) was validated in Canadian Arctic mine operations, where aftermarket hoses became stiff and cracked during cold starts. Genuine XCMG hoses remained flexible and maintained their vacuum rating even at -40°C, ensuring pump protection in the most extreme conditions.
Aftermarket suction hoses often use a single wire spiral with insufficient pitch, leading to collapse under normal vacuum. The rubber compound may lack proper oil resistance, causing inner tube swelling and restriction. Poorly crimped fittings can leak or pull off under transient surge conditions. The consequences include pump cavitation (damage to pistons and valve plate), reduced oil flow (overheating and slow steering/brake response), and catastrophic hose burst (fluid loss, downtime, environmental fine).
Genuine XCMG 800172804 hoses are manufactured under strict ISO 9001 and ISO 18752 quality systems. Each hose is factory‑proofed, and the crimping process is certified to SAE J517. XCMG offers a 12‑month warranty against manufacturing defects. Using genuine hoses preserves your ADT’s hydraulic system warranty, eliminates cavitation risk, and reduces total cost of ownership.
For urgent replacement or bulk fleet orders, use the “Send Email” or “Inquiry Now” buttons above. We provide OEM pricing, global shipping, and technical support for installation. Trust only genuine XCMG 800172804 oil suction hoses for reliable hydraulic power in the world’s toughest mines.
