2-40-1811 – Stub & Midship Shaft – 16 X 1.375 Splines – Butt Dia 2.375″ – Tube Dia 2.500

2-40-1811 is a Stub & Midship Shaft designed for effective torque transmission in driveline applications. This shaft features 16 X 1.375 splines and a tube diameter of 2.500″, making it suitable for a variety of setups. If you’re experiencing vibrations or noise during operation, this component could be a key suspect. Worn splines or a damaged tube can lead to misalignment and excessive play, which may cause driveline vibrations or even failure under load.

When diagnosing driveline issues, consider the critical speed limits of your setup. The 2-40-1811’s tube wall thickness of 0.065″ and its length of 2.250″ provide a balance between strength and weight, ensuring it can handle the torque without compromising performance. If you notice vibrations that increase with speed, it’s crucial to check the balance of this shaft. An unbalanced shaft can lead to premature wear on U-joints and other driveline components.

• Verify spline count and ensure compatibility with your transmission or transfer case.
• Check the tube diameter and wall thickness to maintain structural integrity.
• Inspect for any signs of wear or damage before installation.
• Ensure proper phasing during installation to prevent vibrations.
• Torque bolts to specification to maintain connection integrity.

Replacing a worn or damaged Stub & Midship Shaft with the 2-40-1811 restores proper function and performance to your driveline system.