12926 – Spindle Shaft Only for MTD Replacement (Replaces MTD 738- Series) The 12926 Spindle Shaft is a precision-manufactured aftermarket replacement shaft designed to replace MTD OEM spindle shaft part numbers in the 738-series. This component is a critical part of the mower deck spindle assembly, supporting the blade mounting system and ensuring proper rotation, balance, and cutting performance. Manufactured to OEM-equivalent tolerances, the 12926 spindle shaft is built from hardened steel to withstand continuous load, high blade speeds, and impact forces encountered during normal mowing conditions. Replacing a worn or damaged spindle shaft helps restore correct blade alignment and smooth deck operation. Product Details Part Number: 12926 Replaces OEM: MTD 738-series spindle shaft Brand Compatibility: MTD Part Type: Spindle Shaft (shaft only) Function: Supports blade mounting and rotation within spindle assembly Material: Heat-treated, hardened steel Condition: New aftermarket replacement Compatibility This spindle shaft is designed for MTD lawn tractors and riding mowers that use MTD 738-series spindle shaft configurations. It is commonly found in mower deck spindle assemblies across various MTD brands and deck sizes. Exact compatibility depends on the specific mower model and deck configuration. Applications Mower deck spindle assemblies Blade mounting and rotation systems Riding mowers and lawn tractors Replacement of worn, bent, or damaged spindle shafts The 12926 Spindle Shaft replacement for MTD 738-series provides proper fitment, reliable strength, and smooth operation, making it a dependable solution for maintaining mower deck performance and cutting consistency.
