HYDRAULIC HAMMERS - NPK   NPK is the world-wide leader in the excavator attachment industry including hydraulic hammers and breaker buckets.   Excellent power-to-weight ratio Gas-charged piston to maximise hammer efficiency Simple, two moving parts design for reliability Separate ports for NPK AutoLube system and an air line for underwater use Bottom tie rod nuts for easier serviceability Quick-change tool system with single round retainer pin Variety of tool configurations available Replaceable cylinder valve for easy, economical rebuild Tool bushings engineered for quick, easy replacement. ------------------------------------------------------------------------------- Full serviceability of the industry’s easiest, lowest cost, body rebuild system – Hammers aren’t meant to have an easy life. They occasionally need to be rebuilt. When the hammer body is involved, NPK’s replaceable sleeve design can reduce your costs by a factor of five to ten.  As recognised by the world’s leading mining operators. As trusted in the world’s toughest environments As trusted in the world’s toughest environments.     General Breakers Australia    P: 02 9833 8788 | F: 02 9833 8722 | A: Unit 1, 2 Severn Street, St Marys NSW 2760 NPK Brochure