- Box structured HM400 with high power to weight ratio is the perfect match for Backhoe Loaders with high productivity at low cost.
 - Constant Blow Energy of 900J & higher impact rate of 800-900bpm breaks the toughest rock at quaries with ease.
 - Energy recovery system ensures the working of HM400 at low RPM resulting in low fuel consumption.
 - Designed with only one life time diaphragm that donot require frequent gas charging.
 - One Sole Mono Block structure with no tie rods for easy access to the internal parts for maintenance.
 - Two PU pads isolates the mono block from the metal body
 
Suitable for: 3DX, 3DX Super, 3DX Xtra, 4DX, JS80, JS81
- Quarry-Secondary breaking
 - Pipe & cable laying - Trenching
 - Road & realty sector - Foundation work & demolition
 - Smelter- Steel waste breaking