... original cummins,caterpillar(SG40E) turbocharged intercooled engines;* Winch and hydraulic hose reel system;* Electric measureing system;* Alignment control system;* Protection system;* Grab ... :* mast head;* upper mast,lower mast;* winch,wire rope;* hydraulic hose drum;* hydraulic hose,hydraulic hose reel,* cylinder,pulley block,cable drum,cable etc.