The BP4 1 3/8-6 QD X 1 3/8 QD PM14006446 from A & I PRODUCTS is a versatile quick disconnect coupling designed for seamless fluid transfer in agricultural machinery. This coupling features a robust design and precise dimensions, ensuring a secure and leak-free connection. Ideal for various applications, it meets industry standards for safety and efficiency, making it a vital component for any operator looking to enhance their equipment's performance.BP4 shaft with 1 3/8 inch diameter and 6 splines Quick Disconnect (QD) on one end and 1 3/8 inch QD on the other, model PM14006446 by A & I PRODUCTS. Constructed from hardened steel for strength and durability in power transmission applications. The shaft is designed to fit PTO systems requiring 6-spline QD connections, commonly used in agricultural machinery. It measures approximately standard length for BP4 series shafts and meets ISO spline standards for compatibility. The shaft supports torque transmission within specified limits and is finished to resist corrosion and wear. Suitable for replacement in compatible driveline assemblies.