... with the most advanced technologies in the world, including double fast line, double direction telescoping cylinder, abs braking system, air tong ... appearance.design features: 1.104.00 ft ( 31.7m ) double section mast with automatic lock pin, centralized lubrication for crown ... material, new style cab and ABS braking System. 4.Double drum drawworks, double fast line, air tong type auxiliary brake. 5. ...