The Krone 4901621 is a genuine OEM oil dipstick designed for precise oil level monitoring in various Krone agricultural machinery. This essential component ensures optimal engine performance and longevity by preventing over or under-filling of engine oil. It is compatible with a wide range of Krone BiG X forage harvesters and BiG Pack square balers, including models such as BiG X 480, BiG X 580, BiG X 680, BiG X 780, BiG X 880, BiG X 1180, BiG Pack 1270, BiG Pack 1290, and multiple BiG Pack 1290 variants.