A stretcher which comprises a bed, and a frame having first and second parallel frame members coupled to first and second lateral frame members is disclosed. A securement track is define by an upper surface of at least one of the first parallel frame member, the second parallel frame member, the first lateral frame member, and the second lateral frame member, the securement track having a plurality of alternating open regions and necked down regions along a length. A bed mount configured to both support the bed and be releasably secured in the securement track in a secure condition, and configured to be repositionable along the length of the securement track in an unsecured condition.