Tractor Jacks: Small but Mighty Mechanical Lifting Devices

When it came to lifting tractors and equipment, early mechanical lifting devices eased heavy loads.

Left: A trio of No. 3 “rat tail”-style lifting jacks. The different lifting and latching mechanisms are visible in this photograph. Left to right: a double-clevis Huber, single-clevis with a thumb-operated release catch (at top) and an Elward with double-foot and wire-release catch (also at top).