D280-22
Overview
| Impact weight (piston approx.) | 61,729 lb | 
| Energy per blow (adjustable) | 357,717 lb f | 
| Number of blows | 36-50 bmp | 
| Batter Piling forward & backward | Up to 1:3 | 
| Fuel consumption | 21 gal/hr | 
| Oil consumption | 1.53 gal/hr | 
| Approx weights: | |
| Hammer | 112,435 lb | 
| Tripping device | 4300 lb | 
| Tool box (approx.) | 441 lb | 
