mechanical mule

mechanical mule

[mi′kan·ə·kəl ′myül]
(ordnance)
Popular name for a lightweight, low-silhouette United States infantry light weapons carrier, powered by an opposed-cylinder engine.
References in periodicals archive ?
Trails were too narrow and too rocky for a full-sized 4WD, but the Polaris crawled across the rough terrain like a mechanical mule.
pounds 120 Twin bale spike, Mechanical Mule trailer chassis.
Just a few months later, Capel saw a newspaper story about Henry Ford's newest invention -- a mechanical mule -- the tractor.