One New Replacement Manual Steering Orbital Motor (with Relief Valve) for Ford/New Holland Tractor Models: 5110, 5610, 5900, 6410, 6610, 6810, 7610, 7710, 7810. PLEASE NOTE: Does not fit 5610S models. Motor with internal relief valve. For models without a cab. Ports are labeled T, P, A, B: T-Return outlet to oil tank, P-Inlet from hydraulic pump, A-Right cylinder, B-Left cylinder. Replaces parts: 86602557, E4NN3A244AA, 83948972, 86602590