This aftermarket replacement lower engine crankcase, part number 3064063R11, is a high-quality alternative designed for various Case IH and International Harvester tractor models. It directly replaces the original part and is also compatible with the superseded part number 704712R21. As a critical structural component of the engine, the lower crankcase houses the crankshaft and provides mounting points for the main bearings, ensuring proper alignment and smooth operation of the engine's rotating assembly. It also forms the base for the oil pan, contributing to the engine's lubrication system integrity. Crafted to meet or exceed original specifications, this non-OEM crankcase offers a reliable and cost-effective solution for engine repair or rebuilds. It is engineered for durability and precise fitment, helping to restore optimal engine performance and longevity. Ensure compatibility with your specific Case IH tractor model before purchase. Compatible with a wide range of Case IH / International Harvester tractor models including: 354, 374, 384, 444, 454, 474, 475, 574, 674, 784, 884, 984, 3210, 3220, 3230, 4210, 4220, 4230, 4240, Hydro 84, 385, 485, 585, 685, 785, 885, 985, 395, 495, 595, 695, 795, 895, 995.