A reach truck 1, comprising a main body 10, at least one load arm 70, which protrudes from the main body 10, a mast trolley 20, which is supported at the at least one load arm 70, wherein the mast trolley 20 is shift-able along a longitudinal axis 100 of the reach truck 1 relative to the main body 10, a mast 30, which is attached to the mast trolley 20, a linear actuator 50, for shifting the mast trolley 20 along the longitudinal axis 100 relative to the main body 10, wherein the linear actuator 50 is attached at a first end 52, A thereof to the main body 10 and at a second end 54, C thereof to the mast trolley 20, and the linear actuator 50 is arranged inclined to the longitudinal axis 100 of the reach truck 1 and defines a first angle α between the extension direction of the linear actuator 50 and the longitudinal axis 100, wherein the first angle α changes depending on the position of the mast trolley 20 relative to the main body 10, and the reach truck 1 further comprises a sensor 60, for determining the angular position of the linear actuator 50.