Seatrax Electro-Hydraulic Cranes Prime Mover Packages

The Seatrax Electro-Hydraulic Prime Mover Packages are equipped with high pressure, variable displacement hydraulic systems. The standard electric motor sizes are 250 HP, 300 HP, 400 HP, 500 HP, 600 HP and 800 HP (dual motors are also available). Seatrax cranes with electro-hydraulic prime movers are operating in a wide variety of offshore environments including the North Sea, Gulf of Mexico, South America, Southeast Asia and Nova Scotia...more.

Fixed vs. Variable Displacement Hydraulic Systems

An offshore crane mounted on a fixed structure typically operates for 150-300 hours per year, and a crane used to support drilling operations typically accumulates 3,000-5,000 hours per year. The fixed displacement gear type hydraulic system works well for many years on fixed platform applications given the low cumulative hours...more.