Gear Pump 289-7912 2897912 For Caterpillar 345C 345D 349D 345C L 349D L W345C MH - Precision & Power for Heavy Machinery
齿轮泵 289-7912 2897912 适用于卡特彼勒 345C 345D 349D 345C L 349D L W345C MH - 重型机械的精工动力之选
Product Overview / 产品概述
The Gear Pump 289-7912 (also known as 2897912) is a high-performance hydraulic component specifically engineered for Caterpillar heavy machinery. This robust gear pump ensures efficient and reliable power transmission within the hydraulic systems of your equipment, crucial for maintaining optimal operational performance and extending the lifespan of your valuable assets. Manufactured to meet or exceed OEM specifications, our 289-7912 gear pump delivers consistent flow and pressure, making it an ideal replacement or upgrade part.
齿轮泵 289-7912（亦称 2897912）是一款专为卡特彼勒重型机械设计的高性能液压元件。这款坚固耐用的齿轮泵可确保您的设备液压系统内实现高效可靠的动力传输，对于维持最佳运行性能和延长宝贵资产的使用寿命至关重要。我们的 289-7912 齿轮泵按照或超越原始设备制造商 (OEM) 规格制造，提供一致的流量和压力输出，是理想的替换或升级部件。
Product Parameters / 产品参数
Part Number / 部件号: 289-7912, 2897912
Type / 类型: Gear Pump / 齿轮泵
Material / 材料: High-grade Alloy Steel / 高级合金钢
Pressure Rating / 额定压力: Optimized for heavy-duty applications / 针对重载应用优化
Flow Rate / 流量: Consistent and reliable / 稳定可靠
Compatibility / 兼容性: Direct replacement for OEM parts / 直接替代原厂部件
Operating Temperature / 工作温度: Wide range for various environments / 适应各种环境的宽广范围
Product Advantages & Selling Points / 产品优势与卖点
Superior Durability / 卓越耐用性: Constructed with high-grade materials to withstand extreme operating conditions and extend service life. / 采用高级材料制造，可承受极端操作条件，延长使用寿命。
Optimized Performance / 优化性能: Engineered for precise flow and pressure control, enhancing the overall efficiency of your hydraulic system. / 精确的流量和压力控制工程设计，提升液压系统整体效率。
Direct Fit & Easy Installation / 直接适配，易于安装: Designed as a direct replacement for original Caterpillar parts, ensuring hassle-free installation and minimal downtime. / 设计为卡特彼勒原装部件的直接替代品，确保无忧安装并最大程度减少停机时间。
Reduced Maintenance / 减少维护: Reliable operation reduces the frequency of repairs and maintenance, saving time and costs. / 可靠运行降低了维修和维护的频率，节省了时间和成本。
Cost-Effective Solution / 成本效益方案: Offers OEM-level quality at a competitive price, providing excellent value for your investment. / 以具有竞争力的价格提供原始设备制造商级别的质量，为您的投资提供卓越价值。
Applicable Equipment / 适用设备
The Gear Pump 289-7912 (2897912) is specifically designed for a range of Caterpillar heavy-duty equipment, ensuring perfect compatibility and optimal performance.
齿轮泵 289-7912 (2897912) 专为一系列卡特彼勒重型设备设计，确保完美兼容性和最佳性能。
Caterpillar 345C Excavator / 卡特彼勒 345C 挖掘机
Caterpillar 345D Excavator / 卡特彼勒 345D 挖掘机
Caterpillar 349D Excavator / 卡特彼勒 349D 挖掘机
Caterpillar 345C L Excavator / 卡特彼勒 345C L 挖掘机
Caterpillar 349D L Excavator / 卡特彼勒 349D L 挖掘机
Caterpillar W345C MH Material Handler / 卡特彼勒 W345C MH 物料搬运机
Application Scenarios & Case Studies / 应用场景与案例分析
These Caterpillar machines, including the 345C, 345D, 349D series excavators and W345C MH material handlers, are vital for heavy-duty applications across various industries. The 289-7912 gear pump plays a critical role in their hydraulic systems, which power essential functions such as digging, lifting, swinging, and material handling.
这些卡特彼勒机械，包括 345C、345D、349D 系列挖掘机和 W345C MH 物料搬运机，对于各行业的重型应用至关重要。289-7912 齿轮泵在其液压系统中发挥着关键作用，为挖掘、举升、回转和物料搬运等基本功能提供动力。
Construction & Demolition Sites / 建筑与拆除工地: Excavators like the 345C and 345D rely on robust hydraulic pumps for powerful digging, trenching, and breaking concrete. A well-functioning 289-7912 pump ensures the rapid and efficient operation of the boom, stick, and bucket, maximizing productivity on site.
Case Study: A large construction project faced delays due to frequent hydraulic pump failures on their 345D excavators. After replacing the faulty pumps with the 289-7912, they reported a significant reduction in downtime and a noticeable improvement in digging force and cycle times, leading to project acceleration.
Mining Operations / 采矿作业: In demanding mining environments, the 349D excavators are used for overburden removal and ore loading. The precise and consistent hydraulic power supplied by the 289-7912 pump is essential for operating heavy attachments and handling massive volumes of material under continuous high-load conditions.
Case Study: A mining company utilizing 349D L excavators in an open-pit mine experienced sluggish hydraulic responses. Installing the 289-7912 gear pump restored the machines' hydraulic responsiveness and allowed for quicker and more efficient material loading, directly impacting daily production targets.
Waste Management & Recycling / 垃圾处理与回收: The W345C MH material handler is crucial in waste sorting and recycling facilities for handling large volumes of diverse materials. The hydraulic system, powered by this gear pump, provides the necessary agility and strength for grapples and other attachments to sort and load waste efficiently.
Case Study: A waste management facility reported reduced efficiency with their W345C MH due to a failing hydraulic pump. Post-replacement with the 289-7912, the material handler regained its optimal performance, enabling faster processing of waste and improving overall operational throughput.
Related & Similar Products / 相关及相似产品
In addition to the 289-7912 gear pump, Guangxi Huayang offers a wide range of hydraulic pumps and components for Caterpillar machinery. These include:
除 289-7912 齿轮泵外，广西亚朗还提供适用于卡特彼勒机械的各种液压泵和部件，包括：
Main Hydraulic Pumps (e.g., for Cat 320D, 330D series) / 主液压泵（例如，适用于卡特 320D, 330D 系列）: These are the primary pumps responsible for powering the main hydraulic functions of excavators. / 这些是负责为挖掘机主要液压功能提供动力主泵。
Pilot Pumps (e.g., for Cat D6N, D7R dozers) / 先导泵（例如，适用于卡特 D6N, D7R 推土机）: Smaller pumps that provide hydraulic pressure for control systems, joysticks, and pilot-operated valves. / 提供控制系统、操纵杆和先导操作阀液压压力的较小泵。
Steering Pumps (e.g., for Cat 140K, 120M motor graders) / 转向泵（例如，适用于卡特 140K, 120M 平地机）: Essential for the steering mechanism of graders and other wheeled equipment. / 对于平地机和其他轮式设备的转向机构至关重要。
Transmission Pumps (e.g., for Cat 966H, 980G wheel loaders) / 变速箱泵（例如，适用于卡特 966H, 980G 轮式装载机）: Integral to the transmission system, ensuring smooth gear changes and power delivery. / 集成到传动系统中，确保平稳的换档和动力传输。
Swing Motors (e.g., for Cat 320C, 336D excavators) / 回转马达（例如，适用于卡特 320C, 336D 挖掘机）: Although not a pump, these hydraulic motors work in conjunction with pumps to enable the rotation of the excavator's upper structure. / 尽管不是泵，但这些液压马达与泵协同工作，使挖掘机上部结构能够旋转。
Installation & Maintenance - Common Issues & Solutions / 安装与维护 - 常见问题与解决方案
Proper installation and regular maintenance are crucial for the longevity and performance of your 289-7912 gear pump. Here are some common issues and their solutions:
正确安装和定期维护对于 289-7912 齿轮泵的使用寿命和性能至关重要。以下是一些常见问题及其解决方案：
Issue 1: Reduced Hydraulic Power / 问题 1：液压动力降低
Possible Cause / 可能原因: Worn internal components, air in the system, or low hydraulic fluid level. / 内部部件磨损、系统中有空气或液压油液位低。
Solution / 解决方案: Check hydraulic fluid level and quality. Bleed air from the system. If wear is significant, replace the pump. / 检查液压油液位和质量。从系统中排出空气。如果磨损严重，请更换泵。
Issue 2: Excessive Noise / 问题 2：噪音过大
Possible Cause / 可能原因: Cavitation due to restricted inlet, air ingress, or worn bearings. / 入口受限导致气蚀、空气进入或轴承磨损。
Solution / 解决方案: Inspect suction lines for blockages or leaks. Ensure proper fluid viscosity. Check and replace bearings if necessary. / 检查吸油管路是否有堵塞或泄漏。确保液压油粘度适宜。如有必要，检查并更换轴承。
Issue 3: Oil Leakage / 问题 3：漏油
Possible Cause / 可能原因: Damaged seals, loose fittings, or cracked housing. / 密封件损坏、接头松动或壳体破裂。
Solution / 解决方案: Tighten all fittings. Replace worn or damaged seals. In severe cases of housing damage, the pump may need replacement. / 拧紧所有接头。更换磨损或损坏的密封件。如果壳体损坏严重，可能需要更换泵。
Issue 4: Overheating / 问题 4：过热
Possible Cause / 可能原因: Contaminated fluid, insufficient cooling, or internal wear causing excessive friction. / 油液污染、冷却不足或内部磨损导致过度摩擦。
Solution / 解决方案: Change hydraulic fluid and filters regularly. Ensure the hydraulic cooler is clean and functional. / 定期更换液压油和滤清器。确保液压冷却器清洁且正常工作。
Maintenance Tip / 维护提示: Always use genuine or high-quality equivalent hydraulic fluid and filters recommended by Caterpillar or the pump manufacturer. Regular inspections of hoses, connections, and fluid levels are paramount.
维护提示: 务必使用卡特彼勒或泵制造商推荐的原装或高质量等效液压油和滤清器。定期检查软管、连接件和液位至关重要。
