Pile manipulation tool for autonomous pile driver vehicle

An autonomous off-road vehicle (AOV), comprising:

• a vehicle body;
• a vehicle arm coupled to the vehicle body and comprising a set of prongs and a clamp extending outward from an end of the vehicle arm, the clamp comprising a base plate and a clamping member;
• and
• a controller configured to cause the vehicle arm to autonomously compress a gripping surface of the clamping member into an exterior surface of a flange of a pile such that the set of prongs are reciprocally compressed into an interior surface of the flange of the pile on either side of a web of the pile,
• wherein the set of prongs includes a first prong and a second prong, each of the first and second prongs including first and second prong members, the first prong members being adapted to be reciprocally compressed into the interior surface of the flange of the pile on either side of the web, and the second prong members being adapted to be moveably pressed against an interior surface of a second flange of the pile on either side of the web.