This is a genuine McCormick 6638394A1 strap, supplied as an original equipment manufacturer (OEM) replacement part. It is designed to ensure reliable performance and durability across a range of agricultural machinery. This strap is specifically compatible with McCormick X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X4.70F, X4.70N, X4.80, X4.80F, X4.80N, X4.90, X4.90F, X4.90N, X5.20, X5.30, X5.40, X5.50 series tractors. Additionally, it fits various Landini 4-series (4-060, 4-070, 4-070C, 4-070HC, 4-080, 4-080C, 4-080HC, 4-090, 4-090C, 4-090HC), 5-series (5-085, 5-095, 5-100, 5-110, 5-115, 5-120, 5-120H) and Valpadana 4000-series (4060, 4070, 4080, 4090) agricultural machines.