Recent Blogs
Swinging Derrick Crane Mechanism Explained: How It Works, Parts, Diagram, Formula and Uses
Swinging derrick cranes lift heavy loads in tight footprints. Learn the mast-and-boom geometry, slewing math, and real construction lift examples.
Swing Derrick Mechanism Explained: Mast, Boom, Bull Wheel Parts, How It Works, and Lift Capacity
Swing derrick explained — boom geometry, slewing radius, and load math for construction crews lifting heavy material on tight urban jobsites.
Portable Steam Derrick Mechanism: How It Works, Parts, Boom Geometry, and Capacity Formula Explained
Portable steam derrick explained — how the boiler, hoisting drum and guyed mast lift heavy loads on construction sites, quarries and rail yards.
Travelling Derrick Mechanism: How a Rail-Mounted Mast and Boom Crane Works, Parts and Uses
Travelling Derrick explained — how the rolling mast crane lifts and tracks loads along rails in mills, lumberyards, and steelworks. Specs, formulas, and real builds.