This aftermarket replacement PTO (Power Take-Off) Spline, compatible with Valtra part number 31813100no (and original 31813100), is engineered to provide reliable power transmission for your agricultural machinery. Designed as a cost-effective alternative to the original equipment, this PTO spline is crucial for connecting your tractor's power output to various implements such as mowers, balers, and tillers. Featuring a robust 1 3/8-inch diameter and 14 splines (Z14), this reinforced shaft ensures a secure and efficient connection, minimizing slippage and maximizing power transfer. Its construction is built for durability, offering enhanced resistance to wear and tear under demanding operational conditions. This non-OEM alternative is meticulously manufactured to meet or exceed the performance standards required for effective field work, providing a dependable solution for maintaining your Valtra tractor's functionality. Ideal for farmers and operators seeking a high-quality, aftermarket component without compromising on performance or longevity.