Dredges and Dredging Equipment

File 606JU-4

Jack Up Legs
Spud Wells

Lift-boat/Barge Jack Up System

This four point jackup system was purchased for a project that was subsequently canceled. None of the components were ever used, or ever installed. The system consists of the following components:

  • 4 (four) - legs/rack assemblies.
  • 4 (four) - jacking tower/leg guide assemblies
  • 4 (four) - foot pads.
  • 4 (four) - 30 hp (22.37 kW) dual hydraulic pressure units.
  • 16 (sixteen) - motor/counter balance assemblies.
  • 32 (thirty two) - Braden LB400 Gearboxes
  • 32 (thirty two) - 7-tooth pinion/shaft assemblies.
  • 32 (thirty two) - bearing caps.
  • 32 (thirty two) - micro brakes.

The jacking tower/leg guide assemblies were originally designed to suit a 10-foot (3.05 m) deep barge hull but will suit different barge hull depths with little or no modification. The rack and pinion jacking system is powered by fully counterbalanced variable speed hydraulic motors through a specially designed reduction gear. Each jack up leg is powered by its own electrically powered redundant hydraulic pressure unit.

All items are offered "as is and where is" with no warranties, expressed or implied as to condition or suitability for any use. Available for inspection by appointment.

Located near New Orleans, State of Louisiana, USA: US$ 1,299,700


Jack-Up System Details

Jack Up System Capacities
Capacity Metric Tons Long Tons Short Tons
Lifting 1,909.26 1,875.57 2,104.00
Holding 2,539.38 2,498.57  2,798.40
 
Jack Up Leg Dimensions    
  Length: 90-feet, 1 3/4-inches 27.48 m
  Diameter: 42-inches 1,067 mm
  Wall Thickness: 3/4-inches 19 mm
Spud Guide/Jacking Tower Assembly
  Length: 24-feet 7.12 m
Foot Pads
  Length: 24-feet 7.12 m
  Width: 10-feet 3.05 m

All details on these pages are given in good faith and are believed to be accurate but no warranty of accuracy or completeness is either stated or implied. Prices and availability are subject to change without notice.


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