Hydraulic Pump 40cm³ with splined shaft 1 5/8 in. and 1 1/16 in. ports; compatible with OEM part numbers R94658 and AR101807. Fits tractor models 4050, 3155, 2755, 2750, 4250, 3255, 4055, 4255, 4450, 4455, 2950, 2155, 2355, 2350, 2955, 2150, 3150, 3055, 2555, and 2550. Always verify part number and equipment model before ordering to ensure proper fit.