The Kubota 3B88190170 Rear Case Coupler Kit is an original equipment manufacturer (OEM) part designed for the rear case assembly of various Kubota agricultural and utility machines. This essential kit facilitates power transmission and is compatible with a wide range of B, L, M, and MX series tractors, including models such as B2320, B2620, B2920, B3030, B3200, B3300, B3350, L3200, L3301, L3400, L3560, L3700, L3800, L3901, L4060, L4200, L4300, L4400, L4500, L4600, L4701, L4800, L5030, L5040, L5240, L5450, L5740, M5040, M5140, M6040, M6060, M7040, M7060, M8540, M8560, M9540, M9960, MX4700, MX4800, MX5000, MX5100, MX5200, MX5400, MX5800, and MX6000. Weighing approximately 0.2268 kg, this kit ensures proper fit and function for maintaining optimal machine performance.