The Sandvik DD311 is a high-performance underground drilling jumbo commonly used in mining and tunneling operations. Our stock includes a full range of OEM-compatible spare parts for DD311, covering wear parts, hydraulic components, seals, pins, bushings, filters, and structural components. All products are engineered to meet rigorous industrial standards and provide long-lasting reliability in harsh underground environments.

Product NameOEM Part Number
Front cover 15274538
Coupling77007968
Diaphragm15235798
Bushing15269708
Buffer 26363418
Guide ring55066836
Air filter 77007054
Filter Cartridge 77794282
Filter Cartridge81558479
Seal, u87218939
Plug88683009