A concrete pile installation apparatus includes a pile clamping unit having stop plates arranged at different elevations and hand wheel-controlled clamping blocks disposed corresponding to the stop plates and operable to clamp concrete piles for installation and rollers that facilitate adjustment of the position of concrete piles, and two racks that use hydraulic cylinders to support the pile clamping unit and to adjust the elevation of the pile clamping unit and the clamped concrete piles.