This genuine Case IH 74000640130 gear is an essential OEM component designed for various Case IH Farmall C series tractors. It is compatible with models including FARMALL 75C, FARMALL 85C, FARMALL 90C, FARMALL 95C, FARMALL 100C, FARMALL 105C, FARMALL 110C, FARMALL 115C, and FARMALL 120C. This high-quality gear ensures reliable and efficient power transmission within the machinery, maintaining optimal performance and durability.