497-8295 497-8287 coupling CAT bulldozer parts

497-8295 497-8287 coupling CAT bulldozer parts

The 497-8295 and 497-8287 couplings are core connecting components for the hydraulic system, oil cooling, and fuel lines of Caterpillar bulldozers. Strictly adhering to Caterpillar’s original equipment manufacturing standards, dimensional tolerances, and fluid design specifications, they are specifically designed for the harsh operating conditions of bulldozers, including heavy loads, high pressure, strong vibrations, dust, and high temperatures. Working together, they ensure reliable pipeline connection, stable oil flow, and high-pressure sealing to prevent leaks. This effectively avoids insufficient pressure, abnormal oil temperature, power loss, and equipment downtime caused by loose connections, seal failure, or air leakage. They are the preferred original equipment manufacturer (OEM) parts for the maintenance, repair, and overhaul of Caterpillar bulldozer hydraulic systems, and are widely applicable to various harsh operating scenarios such as mining, infrastructure construction, earthmoving, and continuous heavy-duty operations.

The 497-8295 coupling, as the main connector for the high-pressure hydraulic circuit of bulldozers, is primarily used for stable connection of key components such as the main hydraulic circuit and cooling circuit. Precision-molded from high-strength alloy material, the overall structure is pressure-resistant, vibration-resistant, and anti-loosening, capable of withstanding long-term oil circuit pulse pressure and severe equipment vibration. The internal flow channels are smooth and unobstructed, with low pressure drop and flow rate matching original factory standards, ensuring efficient oil circulation. Interface dimensions, sealing grooves, and flange end face precision are all machined to original factory requirements, ensuring a tight fit with seals and the housing, reliable sealing, no leakage, and no air ingress. No commissioning is required after installation for long-term stable operation.

The 497-8287 coupling, as a matching adapter connector, forms a complete oil circuit connection solution with the 497-8295, primarily used for pipeline transitions, branch connections, and fixed installation positions. Utilizing high-temperature, oil-resistant, and corrosion-resistant alloy materials, these parts can withstand the harsh high-temperature environment surrounding the engine, remaining unchanged and resistant to aging even after long-term use. The high-strength connection structure offers excellent torsional and impact resistance, ensuring it remains secure and does not loosen or detach under continuous vibration and load fluctuations. The mounting holes and mating dimensions are identical to the original parts, and when used with 497-8295, they form a complete sealed oil circuit from the main shaft to the branches, providing reliable protection for the entire machine’s hydraulic and lubrication systems.

Both parts are manufactured according to Caterpillar’s original equipment manufacturer (OEM) quality standards, undergoing rigorous testing under various conditions including pressure resistance, temperature resistance, vibration resistance, leak prevention, pulse fatigue, and salt spray testing. Their stable and reliable performance allows for direct replacement of OEM parts without modification or secondary processing, effectively reducing maintenance time and downtime costs. Whether for routine maintenance, pipeline inspection, cooling system repair, or complete overhaul, CAT 497-8295 and 497-8287 connectors provide stable compatibility with Caterpillar bulldozer hydraulic systems, improving equipment reliability and lifespan, reducing operating and maintenance costs, and are suitable for all corresponding Caterpillar bulldozer models.

Core Technical Parameters

Compatible Models: All Caterpillar bulldozer models

497-8295 Connector: High-strength alloy structure, original factory standard interface, pressure and shock resistant, precise sealing groove

497-8287 Connector: Temperature and pressure resistant material, adapter connection structure, anti-loosening and leak-proof, unobstructed flow path

Quality Standards: Complies with Caterpillar’s original factory design and testing specifications, passed pressure, sealing, vibration, thermal cycling, and salt spray reliability tests

Core Advantages

Precise original factory specification fit, direct installation without modification; tight seal without leakage, strong pressure and vibration resistance; oil, temperature, and corrosion resistant, long service life under harsh working conditions; two sets available for more stable hydraulic circuit connection; quick and efficient installation, reducing downtime; comprehensive protection of the hydraulic system safety, improving equipment uptime.

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