KP30.34-A8K9-LMD/MB-HSC hydraulic fan pump For Lingong LG500/LG600 excavators

KP30.34-A8K9-LMD/MB-HSC hydraulic fan pump For Lingong LG500/LG600 excavators Featured Image
  • KP30.34-A8K9-LMD/MB-HSC hydraulic fan pump For Lingong LG500/LG600 excavators

Short Description:

KP30.51B0-A8K9-POF-OF-ND-HSC hydraulic fan motor is aftermarket replacement spare part for Lovol FR560 large excavator, Casappa KP30 series.

Product Detail

Product Tags

description

KP30.34-A8K9-LMD/MB-HSC external gear fan pump serves as hydraulic power source for cooling circuit of Lingong LG500 and LG600 excavators, driven by engine. It converts mechanical power into hydraulic energy and delivers adjustable flow to matched fan motor. Hardened precision gear pair maintains consistent flow output within wide working speed range. During heavy mining excavation, pump increases flow to accelerate fan rotation and enhance heat dissipation; under light load or standby condition, it reduces flow to cut power consumption and lower fuel consumption.
Alloy steel gear pair with surface hardening treatment improves abrasion resistance when hydraulic oil contains minor solid contaminants. High-strength cast iron housing adopts stress relief annealing to eliminate casting residual stress, resisting thermal cycling and vibration impact inside high-temperature engine bay.High-performance FKM fluorine rubber sealing assembly provides reliable high temperature resistance and anti-aging performance, lowering internal volumetric leakage and external oil seepage.

product parameters

Part No：KP30.34-A8K9-LMD/MB-HSC
Product Type：High Pressure External Gear Fan Pump
Applicable Equipment：Lingong LG500, LG600 Excavator
Control Mode：Fixed displacement external gear structure
Displacement：34 cc/rev
Nominal Working Pressure：23 MPa (230 bar)
Working Medium：ISO VG46 Anti-wear Hydraulic Oil
Working Temperature Range：-20℃ ~ +110℃
Main Material：Cast iron housing, hardened alloy steel gear pair, FKM fluorine rubber seal
Surface Treatment：Precision grinding, surface hardening, stress relief annealing, anti-rust coating
Interchangeability：1:1 OEM interchangeable, direct bolt-on installation
Packaging：Independent anti-rust packaging + export wooden case
Storage Environment：Dry indoor storage, moisture-proof, impact-proof, anti-corrosive gas

advantage

- Dual-model matching design, compatible with LG500 and LG600 large excavators
One pump covers two mainstream large excavator models, reducing spare part inventory pressure and simplifying parts management for distributors and end-users.
- Optimized flow linearity delivers smooth fan speed adjustment under variable load
Linear flow characteristic ensures fan speed changes smoothly with temperature signal, avoiding sudden speed jump and maintaining stable thermal balance during alternating digging and swing cycles.
- Reinforced bearing structure improves service life under frequent pressure spikes
Enhanced heavy-duty bearing assembly withstands repeated pressure peaks generated by rock excavation, reducing bearing wear and early failure risk.
- Low pulsation gear profile reduces fatigue damage on cooling pipeline system
Refined gear tooth profile minimizes flow ripple, lowering vibration transfer to radiator and hydraulic hoses, extending service life of the whole cooling circuit.
- Compact flange layout fits original engine compartment mounting interface
Standard mounting flange matches original installation hole position, no modification required during replacement, shortening on-site repair downtime.
- Dual-model cyclic load bench test for LG500 and LG600 working conditions
Each pump undergoes alternating load bench test simulating both LG500 and LG600 mining excavation cycles to verify stable performance.

FAQ 

Q1: Which machine does KP30.34-A8K9-LMD/MB-HSC fan pump fit?
A1: This hydraulic fan pump fits Lingong LG500 and LG600 excavators. Confirm machine serial number before purchase.

Q2: What hydraulic function does this fan pump support?
A2: It supplies regulated hydraulic flow to cooling fan motor, dynamically adjusting fan speed to control engine coolant and hydraulic oil temperature, used for large-scale mine exploitation, heavy earthmoving and major infrastructure excavation projects.

Q3: What are typical failure symptoms of worn fan pump?
A3: Typical symptoms: insufficient flow supply for fan motor, slow fan speed rise under high-temperature load, obvious flow fluctuation during switching between digging and swing, abnormal gear meshing noise, continuous high oil temperature in long-time mining operation, shaft seal oil leakage.

Q4: What inspections should be done before installing new fan pump?
A4: Inspect matched fan motor, cooling circuit control valve, hydraulic hoses and filter elements. Fully flush hydraulic tank and pipelines to remove metal debris. Replace degraded hydraulic oil before assembly.

Q5: Why excavator still overheats after fan pump replacement?
A5: The fault may not come from pump. Check relief valve calibration, stuck valve spool, clogged filter, damaged seals or trapped air inside hydraulic circuit. Air bleeding must be completed after installation.

warehouse

We have built four spare parts warehouses in Xuzhou, Jining, Kunshan and Changsha to provide customers from all over the world with a variety of high-quality spare parts. We can basically ship self-provided spare parts within three days after confirming the order. If the spare parts need to be adjusted or processed, they will be shipped within 7-30 days.

our warehouse

our warehouse

Pack and ship

Pack and ship


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