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Shop Excavator Yanmer Engine Spare Parts 4TNV88 4TNV94 Engine Piston Pin | Tonkee®

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Excavator Yanmer Engine Spare, Parts 4TNV88 4TNV94 Engine Piston Pin | Tonkee®

The piston pin, also known as a wrist pin, is typically made from high-quality alloy steel.

It is a slender rod that connects the piston to the connecting rod. The choice of material is crucial as it needs to withstand high levels of stress, temperature, and pressure within the engine's combustion chamber. Dimensions: The piston pin for the Yanmar 4TNV88 and 4TNV94 engines is designed to precise specifications. These specifications include its diameter, length, and design features. The pin must fit precisely in the piston and connecting rod to ensure smooth and efficient movement. Lubrication and Cooling: Piston pins are exposed to high levels of heat and friction in the combustion chamber. To prevent overheating and premature wear, they often have internal lubrication channels to distribute engine oil for cooling and reducing friction. Weight and Balance: Proper weight and balance are essential for piston pins. Even a slight imbalance can cause vibration and excessive wear within the engine. The specifications for these engine models ensure that the piston pins meet strict weight and balance requirements.

Coating and Surface Finish: Piston pins may have specific coatings or surface treatments to enhance their durability and reduce friction.

These coatings can include anti-friction coatings or heat-resistant materials to improve their overall performance. Precision Machining: Piston pins must undergo precise machining to meet the specified tolerances and dimensions. This ensures that they fit perfectly within the piston and connecting rod, guaranteeing the proper operation of the engine. Strength and Durability: The Yanmar 4TNV88 and 4TNV94 engines often operate under heavy loads and in harsh conditions. As a result, the piston pin must be extremely strong and durable to withstand these conditions without warping, bending, or breaking. Compatibility: Piston pins must be compatible with the specific engine model, in this case, the 4TNV88 and 4TNV94. This includes considerations for the piston design, cylinder bore, and other engine-specific features. Heat Resistance: The combustion process generates high temperatures within the engine. The piston pin must be able to withstand these elevated temperatures without losing its structural integrity or lubrication properties. Wear Resistance: In addition to high temperatures, piston pins are subject to constant friction and wear. They must be designed to resist wear and maintain their performance over an extended period. Reliability and Longevity: Piston pins are critical components of the engine, and their failure can lead to severe damage. The specifications ensure that the piston pins have the necessary reliability and longevity to keep the engine running smoothly over time.

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Product Detail

The piston pin, also known as a wrist pin, is typically made from high-quality alloy steel.

Coating and Surface Finish: Piston pins may have specific coatings or surface treatments to enhance their durability and reduce friction.

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