The Niemeyer 051645 drive pinion is an original equipment manufacturer (OEM) part designed for various Niemeyer agricultural machines, including specific mower models. This essential component facilitates power transmission within the machinery. It features 13 teeth, an outer diameter of 60 mm, a bore diameter of 25 mm, and an overall length of 45 mm. Weighing approximately 0.35 kg, this drive pinion ensures precise fitment and durable performance.