✨ Factory Direct Customization for Precision Engine Parts!

While specializing in Hydraulic Components like the K3VL80 Pump, we are primarily a Source Manufacturer for Engine Components. We offer Custom Development and Factory Direct Pricing on items such as Cylinder Liners, Pistons, and Piston Rings for Global Export. We ensure our engine parts meet the demanding standards of equipment powered by Cummins and Caterpillar.

⚙️ High-Quality K3VL80 Hydraulic Pump for Sany & XCMG Excavators

We offer premium replacement parts for the critical hydraulic system components in Chinese heavy machinery. The K3VL80 Hydraulic Main Pump is the heart of the operational efficiency for popular models like the Sany SY80 and XCMG XE80 excavators. This high-performance pump ensures smooth and powerful operation of the machine's boom, arm, and bucket.

🌍 Honour Time Machinery Limited: Engine and Machinery Components

Honour Time Machinery Limited is a specialist in engine assemblies and spare parts for all major brands, ensuring the power behind your Sany and XCMG machines is solid. We focus on engine giants like Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our comprehensive engine component range includes:            Cylinder Liner, Piston, Piston Ring, Main Bearing, Connecting Rod Bearing, Thrust Washer, Engine Overhaul Gasket Kit, Diesel Fuel Pump, Fuel Injector, Crankshaft, Turbocharger, Water Pump, Oil Pump, Engine Block, Cylinder Head, and Connecting Rod.

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📚 Heavy Equipment Component Definitions & Applications

• Swash Plate: An adjustable plate inside an axial piston hydraulic pump (like the K3VL80) that controls the displacement and flow rate. Located inside the Hydraulic Pump casing. (Application: Sany SY80C Excavator - K3VL80 Pump - Swash Plate)

• Main Control Valve: Directs hydraulic fluid flow to the actuators (cylinders, motors) based on operator input. Located between the Pump and the Actuators. (Application: XCMG XE150 Excavator - Hydraulic Control Valve)

• Piston Shoe: The element that contacts the Swash Plate within a hydraulic pump, enabling force transfer. Inside the Pump barrel. (Application: Cummins QSL9 Engine - Hydraulic Pump Piston Shoe)

• Engine Wiring Harness: The bundle of electrical wires that transmits signals and power to various engine components. Connected to the ECU and Sensors. (Application: Caterpillar 336D Excavator - C9 Engine - Wiring Harness)

• Fuel Feed Pump: Moves fuel from the tank to the main injection system. Typically mounted on the Engine Block or directly in the fuel line. (Application: Komatsu PC300-7 Excavator - Fuel Feed Pump)

• Track Adjuster: A grease-filled cylinder assembly used to maintain proper tension in the excavator track chain. Located in the Track Frame. (Application: Isuzu powered Hitachi ZX200 - Track Adjuster)

• Radiator Cap: Seals the cooling system and maintains pressure to raise the coolant's boiling point. Located on the Radiator neck. (Application: Kubota U55 Mini Excavator - Radiator Cap)

• Exhaust Manifold: Collects exhaust gases from the Cylinder Head ports and directs them to the turbocharger/exhaust system. Bolted to the Cylinder Head. (Application: Yanmar VIO80 Excavator - Exhaust Manifold)

• Oil Pressure Sensor: Measures the pressure of the lubricating oil. Typically threaded into the Engine Block or oil filter housing. (Application: Weichai WP10 Engine - Oil Pressure Sensor)

• Swing Motor: The hydraulic motor that rotates the excavator's house (cab and boom assembly). Mounted on the Swing Drive Gearbox. (Application: Sany SY215C Excavator - Swing Motor)

⚠️ Troubleshooting: Sany Excavator Slow Swing Function

Equipment/Fault: A Sany SY80C Excavator is experiencing very slow or weak swing (turntable rotation) function, while other functions (boom/arm) are normal.

Probable Cause: This is often due to an issue isolated to the swing circuit, most likely a faulty Swing Relief Valve or damage to the internal components of the Swing Motor. A common culprit is a broken or sticking relief valve in the Main Control Valve block dedicated to the swing motor, causing pressure loss.

Solution: Check the hydraulic pressures at the swing relief valve test port. If the pressure is low, clean or replace the Swing Relief Valve cartridge. If the issue persists, the Swing Motor may require disassembly to inspect the internal seals and Bearings. Always ensure the main K3VL80 Pump is producing the correct flow, though this is less likely if other functions are normal.

🤝 Your Trusted Partner for Heavy Equipment Spares!

We supply high-quality, cost-effective replacement parts for your Sany, XCMG, and all major engine brands. Contact us today for the K3VL80 Hydraulic Pump or any Cummins / Caterpillar engine parts!

WhatsApp: +8613532379052     |     Email: [email protected]