NPK, a pioneer in hydraulic hammers, has developed compact hydraulic hammers for the next generation. While maintaining a high crushing force, which is NPK’s watchword, innovative but simple design featuring a carburized coating integrated cylinder ensures light weight and great durability. Offering easy maintenance and great usability for operators or repair work, it’s the industry’s only gas powered model. Shortened operation time is guaranteed thanks to its world-class crushing force. We have the following 4 models with recommended shovel weight of: PH-1: 2.0 - 3.5 tons PH-2: 3.0 - 5.5 tons PH-3: 4.0 - 8.0 tons PH-4: 6.0 - 9.0 tons