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PINSN Hydraulic Gear Pump 705-95-05160 Aftermarket Parts SDR80+SA25 for Komatsu Dumper HM400-2 HM400-2RPINSN 液压齿轮泵 705-95-05160 副厂件 SDR80+SA25，适用于小松自卸车 HM400-2 HM400-2RProduct Overview / 产品概述The PINSN
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The PINSN Hydraulic Gear Pump 705-95-05160 (Aftermarket Parts SDR80+SA25) is a high-quality replacement pump designed specifically for Komatsu Dumper models HM400-2 and HM400-2R. This aftermarket pump, also known by the part number 7059505160, ensures reliable and efficient hydraulic performance, crucial for the demanding operations of heavy machinery.
PINSN 液压齿轮泵 705-95-05160 (副厂件 SDR80+SA25) 是一款高质量的替代泵，专为小松自卸车 HM400-2 和 HM400-2R 型号设计。这款副厂泵，也称为部件号 7059505160，可确保可靠高效的液压性能，这对于重型机械的严苛操作至关重要。
Part Number / 部件号: 705-95-05160, 7059505160
Pump Type / 泵类型: Hydraulic Gear Pump / 液压齿轮泵
Model / 型号: SDR80+SA25
Compatibility / 兼容性: Komatsu Dumper HM400-2, HM400-2R
Material / 材料: High-grade alloys for durability and wear resistance / 高级合金，经久耐用，耐磨
Performance / 性能: Engineered for optimal flow and pressure, ensuring smooth operation / 精心设计，实现最佳流量和压力，确保运行顺畅
Quality / 质量: Manufactured to meet or exceed OEM specifications / 制造标准达到或超过原始设备制造商规格
Cost-Effective / 性价比高: Provides OEM-level performance at a more competitive price point / 以更具竞争力的价格提供原始设备制造商级别的性能。
Durability & Reliability / 耐用性与可靠性: Constructed with robust materials to withstand harsh operating conditions and extend service life / 采用坚固材料构造，可承受恶劣操作条件并延长使用寿命。
Precise Fit / 精准匹配: Designed as a direct replacement, ensuring hassle-free installation and perfect integration with your Komatsu equipment / 作为直接替代品设计，确保轻松安装并与您的小松设备完美集成。
Optimized Performance / 优化性能: Restores the hydraulic system to its peak efficiency, improving the overall productivity of your dumper / 将液压系统恢复到其最高效率，提高自卸车的整体生产力。
This PINSN hydraulic gear pump is specifically designed for **Komatsu Dumper models HM400-2 and HM400-2R**. These dumpers are heavy-duty articulated haulers widely used in various demanding environments.
这款 PINSN 液压齿轮泵专为小松自卸车 HM400-2 和 HM400-2R 型号设计。这些自卸车是重型铰接式运输车，广泛应用于各种严苛环境中。
Mining Operations / 采矿作业: Komatsu HM400-2/2R dumpers are integral to mining sites for transporting vast quantities of ore, overburden, and other materials. A reliable hydraulic pump is critical for the continuous lifting, steering, and braking functions, preventing costly downtime. Case Study: A large open-pit mine experienced reduced cycle times due to a failing hydraulic pump on their HM400-2. Replacing it with the PINSN 705-95-05160 restored the dumper's hydraulic responsiveness, leading to a 15% improvement in material hauling efficiency. 小松 HM400-2/2R 自卸车是采矿场不可或缺的一部分，用于运输大量的矿石、覆盖物和其他材料。可靠的液压泵对于连续的提升、转向和制动功能至关重要，可防止代价高昂的停机时间。 案例分析: 一个大型露天矿场由于 HM400-2 上的液压泵故障，导致循环时间缩短。更换为 PINSN 705-95-05160 后，自卸车的液压响应能力得到恢复，物料运输效率提高了 15%。
Large-Scale Construction Projects / 大型建筑项目: These dumpers are indispensable in major infrastructure projects like road building, dam construction, and commercial site development. They handle bulk earthmoving, aggregate transport, and waste removal. A robust hydraulic system powered by this pump ensures the dumper can navigate challenging terrains and handle heavy loads efficiently. Case Study: During the construction of a new highway, an HM400-2R needed a quick replacement of its hydraulic pump to maintain the project timeline. The easy installation and reliable performance of the PINSN pump minimized disruption, allowing continuous operation in moving excavated earth. 这些自卸车在道路建设、水坝建设和商业场地开发等重大基础设施项目中不可或缺。它们处理散装土方工程、骨料运输和废物清除。由该泵提供动力的坚固液压系统确保自卸车能够应对复杂地形并有效处理重载。 案例分析: 在一条新高速公路的建设过程中，一台 HM400-2R 需要快速更换其液压泵以保持项目进度。PINSN 泵的易于安装和可靠性能最大限度地减少了中断，从而可以持续进行挖掘土方的作业。
Quarry Operations / 采石场作业: In quarries, HM400-2/2R dumpers transport crushed stone, sand, and gravel from the processing plant to stock areas or loading points. The demanding environment, often with abrasive materials, requires a durable hydraulic pump that can withstand constant use and provide consistent power for tipping and maneuvering. Case Study: A quarry reported frequent issues with aftermarket pumps failing prematurely. Switching to the PINSN 705-95-05160 significantly extended the pump's lifespan, reducing maintenance costs and ensuring uninterrupted material flow. 在采石场中，HM400-2/2R 自卸车将碎石、沙子和砾石从加工厂运输到堆料区或装载点。通常带有磨蚀性材料的严苛环境需要耐用的液压泵，该泵能够承受持续使用并为倾卸和操纵提供持续动力。 案例分析: 一家采石场报告称，副厂泵经常过早失效。改用 PINSN 705-95-05160 显着延长了泵的使用寿命，降低了维护成本并确保了不间断的物料流动。
In addition to the 705-95-05160, we offer a wide range of high-quality aftermarket hydraulic components for various Komatsu machinery and other heavy equipment. These include:
除了 705-95-05160，我们还为各种小松机械和其他重型设备提供广泛的高质量副厂液压部件。其中包括：
Hydraulic Main Pumps for Excavators / 挖掘机液压主泵:
Applicable Equipment: Komatsu PC200, PC300, PC400 series excavators.
适用设备: 小松 PC200、PC300、PC400 系列挖掘机。
Steering Pumps for Wheel Loaders / 轮式装载机转向泵:
Applicable Equipment: Komatsu WA380, WA470 series wheel loaders.
适用设备: 小松 WA380、WA470 系列轮式装载机。
Transmission Pumps for Dozers / 推土机变速泵:
Applicable Equipment: Komatsu D65, D85, D155 series dozers.
适用设备: 小松 D65、D85、D155 系列推土机。
Seal Kits for Hydraulic Cylinders / 液压油缸密封件:
Applicable Equipment: Universal for various Komatsu machinery, including excavators, loaders, and dumpers.
适用设备: 适用于各种小松机械，包括挖掘机、装载机和自卸车。
Problem / 问题: The hydraulic system is weak, slow, or fails to lift loads. This could be due to a worn pump, contaminated fluid, or air in the system. 液压系统动力不足、缓慢或无法举升负载。这可能是由于泵磨损、液压油污染或系统中有空气。
Solution / 解决方案:
Check Hydraulic Fluid / 检查液压油: Ensure the correct type and level of hydraulic fluid. Replace if contaminated or old. 确保液压油类型和液位正确。如果受到污染或过旧，请更换。
Bleed Air from System / 排出系统中的空气: Follow the Komatsu service manual to properly bleed air from the hydraulic lines and components. 遵循小松维修手册，正确排出液压管路和组件中的空气。
Inspect for Leaks / 检查泄漏: Check all hoses, fittings, and seals for external or internal leaks, which can lead to pressure loss. 检查所有软管、接头和密封件是否存在外部或内部泄漏，这可能导致压力损失。
Problem / 问题: A whining, grinding, or rattling noise from the pump, often accompanied by vibration. This usually indicates cavitation, air ingestion, or internal wear. 泵发出刺耳的、研磨的或嘎嘎作响的噪音，通常伴随着振动。这通常表明气蚀、吸入空气或内部磨损。
Check Suction Line / 检查吸油管路: Ensure the suction line is not restricted, kinked, or leaking air. A clogged suction filter can also cause cavitation. 确保吸油管路没有限制、扭结或漏气。堵塞的吸油滤清器也可能导致气蚀。
Verify Fluid Viscosity / 验证液压油粘度: Use hydraulic fluid with the correct viscosity for the operating temperature. Incorrect viscosity can lead to cavitation. 使用适用于工作温度的正确粘度的液压油。粘度不正确会导致气蚀。
Mounting & Alignment / 安装与对齐: Ensure the pump is securely mounted and properly aligned with the engine or power take-off (PTO). 确保泵牢固安装并与发动机或取力器 (PTO) 正确对齐。
Problem / 问题: The hydraulic fluid temperature rises above normal operating limits, potentially damaging seals and components. 液压油温度升至正常运行极限以上，可能会损坏密封件和部件。
Check Cooler & Fan / 检查冷却器和风扇: Ensure the hydraulic fluid cooler is clean and free of obstructions, and that the cooling fan is functioning correctly. 确保液压油冷却器清洁且无障碍物，并且冷却风扇正常工作。
Relief Valve Settings / 溢流阀设置: Verify that relief valves are set correctly. A stuck or improperly set relief valve can cause fluid to continuously bypass, generating heat. 验证溢流阀是否设置正确。卡住或设置不当的溢流阀会导致液压油持续旁通，从而产生热量。
Filter Condition / 滤清器状况: A clogged hydraulic filter can restrict flow and cause heat buildup. Replace filters regularly as per the maintenance schedule. 堵塞的液压滤清器会限制流量并导致热量积聚。根据维护计划定期更换滤清器。
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