Hofmann Engineering offers a wide range of replacement parts for Electric Rope Shovels which are interchangeable with parts from Caterpillar (Bucyrus/Marion) & Komatsu (P&H). Major components include: dipper handles, all transmission (hoist, crowd, swing & propel), complete undercarriages, swing racks, swing shafts, propel shafts, boom sheaves, rope drums & padlocks.