Locations Press room Careers Contact us Americas North (English) Surface mining Underground mining Technology Services Markets Company Longwall systems Joy complete longwall systems represent the ultimate solution for high-production longwall mining. Joy incorporates best-in-breed shearers, roof supports, face conveyors, stageloaders, crushers, and mobile belt tail pieces to deliver a complete longwall system that is in a class of its own. Output productivity of this integrated system simply cannot be matched by integration of standalone components. When a mining operation calls for the most productive, most reliable longwall system, this is only place to find it. Individual product design improvements are made with system implications already considered, balanced, and optimized Complete electronic systems maximize communication, diagnostics, and monitoring signals Personalized and dedicated engineering and service representatives produce unrivaled system optimization Joy Armored Face Conveyors Optidrive system for a full range of torque and speed control BroadbandTM long-life chain for proven extended-wear resistance Joy Powered Roof Supports Ratings up to 1,750 tonnes Widths of 1.5, 1.75, and 2.05 meters Joy Longwall Shearers Full range of cutting heights available to accommodate seam heights from 1.3 to 9 meters (4.3 to 30 ft.) Full range of installed ranging arm power options available (300 kW to 1100 kW) Joy Stageloaders and Mobile Tail Pieces Handles tonnage up to 6,000 TPH Conveyor length up to 70 m Total installed power up to 700 kW Joy Facebolter 3040 2.1 to 3.2 m operating height range Two roofbolting rigs, one on each end KOMATSU GLOBAL >> Non-mining Forestry log stackers Montabert breakers Service Customer service portal Parts manuals portal Product training Regulatory certificates Suppliers Employees Connect using VPN Connect using Citrix My Joy Global Company Global locations Joy stickers Finance Resource library Suppliers Our privacy policy. Terms and conditions. Website content change request. Site map. © 2018 Komatsu Mining Corp.. EU privacy notices and information.