railroad jack

railroad jack

[′rāl‚rōd ‚jak]
(mechanical engineering)
A hoist used for lifting locomotives.
A portable jack for lifting heavy objects.
A hydraulic jack, either powered or lever-operated.
References in periodicals archive ?
150 LF of 18" gravity sewer line, 100 LF 18 x 36 railroad Jack and bore, connections to existing manholes, filling of existing concrete bore and jacked line and appurtenances.
Abrams and Kohler selected the most damning piece of evidence to railroad Jack Smith and April Oliver out of CNN and turn them into journalism pariahs, making them scapegoats for overpaid corporate toddies like Rick Kaplan and Tom Johnson.
Tractor and railroad jacks (used to lift buildings and heavy equipment) are also popular.