TILTCAB TRUCK WITH HYDRAULIC LOST MOTION Disclosed is apparatus for permitting hydraulic lost notion between the push chamber and the pull chamber of the tilt cylinder(s) for a tiltcab truck. The apparatus comprises a pilot-operated check valve having a through passage (a) which is part of a hydraulic connection between the push chamber and the pull chamber and (b) which is only shut off when hydraulic pressure is applied to the push chamber(s) of the tilt cylinder(s).