Abstract: A fluid pressure operated reciprocating conveyor in the form of a pan feeder comprises a base, an elongated conveyor trough reciprocably mounted on the base, a drive cylinder connected between the base and trough, a constant volume pump, a solenoid-operated reversing valve connected between the pump and the drive cylinder to direct pressure fluid to opposite ends of the cylinder to reciprocate the trough through a stroking range in a forward stroke and in a rearward stroke at a substantially higher speed than the forward stroke. Forward and rearward limit switches connected to the reversing valve are automatically operable by the moving trough to reverse the drive cylinder at opposite ends of the stroking range.