A hydraulic puller is a specialized maintenance tool that uses pressurized hydraulic fluid to exert immense, controlled force for removing tight-fitting, seized, or heavy-duty components—such as bearings, gears, pulleys, and wheels—from shafts without causing damage. They reduce manual labor compared to mechanical pullers, often utilizing 2 or 3 jaws and capable of handling up to 100+ tons of force. 50 ton .