A baler including a frame, a feed system coupled to the frame, a baling chamber, a plunger at least partially positioned within and reciprocally movable with respect to the baling chamber, a connecting rod coupled to the plunger, where the connecting rod defines a fluid volume therein, a sensor in fluid communication with and configured to send signals indicating the fluid pressure within the fluid volume of the connecting rod, and a controller in operable communication with the sensor and configured to determine the magnitude of a force being applied to the plunger at least partially based on a signal received from the sensor.