The Caterpillar 3N-2320 Shaft-Input & Gear is a precision-engineered drivetrain component designed for optimal performance in heavy-duty marine engines and track-type tractors. Compatible with a range of Caterpillar marine products including models 01Z-3208, 75V-3208, 05B-3304, 05B-D330C, 13E-3304B, 13E-3304, 1SK-3116, 4KG-3116, 1ZJ-3126, and 6MK-3126, as well as the 13E-48 Track-type Tractor, this part ensures seamless integration and reliable operation under extreme load conditions. Manufactured from high-grade alloy steel with precision metallurgy, the 3N-2320 shaft and gear assembly features exacting dimensional tolerances to maintain drivetrain alignment and reduce wear.
Engineered for durability and high torque transmission, the 3N-2320 shaft-input and gear assembly withstands the rigorous demands of marine propulsion systems and heavy earthmoving equipment. Its robust construction minimizes backlash and vibration, enhancing drivetrain efficiency and extending service intervals. The component’s corrosion-resistant finish and heat-treated gear teeth improve longevity in harsh environments, ensuring consistent power delivery and reducing downtime. OEM-grade quality guarantees compatibility and performance, making it an essential replacement part for maintaining Caterpillar equipment reliability and operational excellence.