The New Holland 81874302 is a genuine OEM trailer brake bleeding tool designed for efficient maintenance of New Holland T-series agricultural tractors. This essential tool facilitates the proper bleeding of trailer brake systems, ensuring optimal performance and safety. It is compatible with a wide range of New Holland tractor models, including T4.75S, T4.85S, T4.95S, T4.105S, T4.115S, T5.90, T5.100, T5.110, T5.120, T5.100S, T5.110S, T5.120S, T6.120, T6.140, T6.150, T6.155, T6.160, T6.165, T6.175, T6.180, T7.165S, T7.170, T7.185, T7.200, T7.210, T7.220, T7.225, T7.230, T7.235, T7.245, T7.250, T7.260, T7.270, T7.290, T7.315, T8.275, T8.300, T8.320, T8.330, T8.350, T8.360, T8.380, T8.390, T9.390, T9.435, T9.450, T9.480, T9.505, T9.530, T9.560, T9.580, T9.600, T9.615, T9.645, T9.670, T9.700, T9.720, T9.740, T9.755, T9.760, T9.780, T9.790, T9.800.