R79154 Hydraulic Pump Shaft Fits John Deere 4020 4040 4230 4320 4440 4555One New Aftermarket Replacement Hydraulic Pump Shaft Fits John Deere Tractor Models: 3140, 4000, 4020, 4040, 4230, 4240, 4320, 4430, 4440, 4520, 4555, 4560, 4620, 4630, 4640, 4650, 4755, 4760, 4840, 4850, 4955, 4960, 8430 (1974 1981), 8440, 8450, 8630, 8640, 8650 Fits John Deere Industrial Construction Models: 772B, 310B, 410, 500C, 610B, 640, 644C, 646C, 670, 670A, 670B, 672A, 672B, 740, 740A, 762, 762A, 762B, 770A, 770B, 772A Specifications: OEM