CATERPILLAR 3S-3981 Shaft 3S3981

Caterpillar 3S-3981 Shaft – OEM-Grade Durability and Precision Engineering

The Caterpillar 3S-3981 Shaft is a critical drivetrain component engineered to meet the rigorous demands of various Caterpillar heavy equipment models, including industrial engines, marine products, off-highway trucks, track-type tractors, wheel tractor-scrapers, and wheel-type loaders. Manufactured with high-grade alloy steel, this shaft features precise metallurgy and dimensional accuracy to ensure optimal torque transmission and load-bearing capacity under extreme operating conditions. Its robust design supports seamless integration with engines such as the 57K-D348, 36J-D348, and 98N-D346, as well as off-highway trucks like the 14H-776 and 63G-773, guaranteeing long service life and minimal downtime.

Technically, the 3S-3981 Shaft is crafted to withstand high torsional stress and vibration, making it ideal for heavy-duty applications where drivetrain reliability is paramount. The shaft’s dimensions and surface treatments are optimized to resist wear and corrosion, enhancing performance in harsh environments. Its compatibility with a broad range of Caterpillar machinery ensures versatile application, while OEM-grade quality assures precision fitment and consistent performance. This shaft is essential for maintaining drivetrain integrity, improving operational efficiency, and reducing maintenance costs in demanding load conditions.

For more detailed specifications and to purchase the Caterpillar 3S-3981 Shaft, visit the official product page at 🔗 Caterpillar 3S-3981 Shaft on AllParts Expert.

Related part numbers: 57K-D348, 36J-D348, 98N-D346, 32R-D349, 39J-D346, 61P-D349, 38J-D348, 40J-D346, 62P-D349, 14H-776, 63G-773, 84A-777, 80S-772, 11S-772, 76X-D10, 84W-D10, 65K-641B, 68K-657B, 67K-651B, 58K-650B, 58K-660B, 66K-666B, 25K-992B, 25K-992, 3S-3981