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System--MH-1899 Iron Roughneck; TopDrive--Nat''l PS2-650/650 power swivel.DERRICK: Loadmaster 170'', 1,500,000 lb.BOP SYSTEM: Shaffer 13 5/8", 5,000 psi ann.; twoCIW TL 13 5/8", 10 k doubles; Diverter--Hydril MSP500-30".CRANES: Three Letourneau 50 t, two w/ 100'' booms, one w/120''.REMARKS: Five Bay Ross Hill SCR control system;Zero discharge, 70'' cantilever reach.WORK AREA: N/ACHILES MAGELLANRIG DESIGN: Letourneau Super 116.PERFORMANCE: Water depth--380'', Leg length--544''.CONSTRUCTION: Amfels Shipyard, Brownsville, Texas, 1999.

Air supplyAir systems on a light-rescue truck should be given careful consideration due to the substantial weight of most of the components. Air system storage choices should be matched to the output of the stationary air compressor. DOT cylinders with 4,500 or 6,000psi ratings weigh 144 pounds or 188 pounds each while ASME cylinders with 5,000 or 6,000psi ratings that weigh 400 pounds each.The DOT cylinders need easy access for removal, as they will need to be removed every five years for hydro testing. The ASME cylinders never need hydro testing, so they can be located in areas where future access may not be of a concern. However, they cost more than DOT cylinders.

Targeting increased productivity within the consumer lawn and garden market, Kohler has expanded the range of its single-cylinder vertical shaft engines with the Command 16 and 17. "The increased displacements result from Kohler designing these engines with a longer stroke than our previous models," said Paul Blum, product manager. "This means that users will benefit from a distinct power and torque advantage across all speed ranges when operating their lawn and garden equipment?A Kohler exclusive for an engine this compact, according to the company, are hydraulic valve lifters, which provide consistent power throughout the life of the engine. The hydraulic valve lifters are designed to stay in constant contact with the pushrods regardless of thermal expansion or component wear, thus eliminating the "ticking" sound caused by improper valve clearances.