| model | LB6250ZLC LB6250ZLCZ | LB6250ZLC-1 LB6250ZLCZ-1 | LB6250ZLC-2 LB6250ZLCZ-2 | LB6250ZLC-3 LB6250ZLCZ-3 | LB6250ZLC-4 LB6250ZLCZ-4 | LB6250ZLC-5 LB6250ZLCZ-5 | LB6250ZLC-6 LB6250ZLCZ-6 | LB6250ZLC-9 LB6250ZLCZ-9 | LB6250ZLC-10 LB6250ZLCZ-10 | LB6250ZLC-11 LB6250ZLCZ-11 | LB6250ZLC-12 LB6250ZLCZ-12 | LB6250ZLC-13 LB6250ZLCZ-13 | 
| type | straight line,foue-stroke,directinjection,supercharged,air intercooling irreversible | 
| NO.of cylinders | 6 | 
| bore/stroke(MM) | 250/320 | 
| Rated speed(r/min) | 600 | 650 | 750 | 825 | 750 | 500 | 
| continuous output(KW) | 662 | 692 | 588 | 750 | 882 | 662 | 1000 | 1103 | 750 | 1103 | 735 | 610 | 
| resolution per hour,power per hour | 62/729 | 620/762 | 620/647 | 671/825 | 774/791 | 774/729 | 774/1100 | 774/1213 | 774/825 | 852/1213 | 774/809 | 515/671 | 
| mean effective pressure(Mpa) | 1.405 | 1.469 | 1.249 | 1.469 | 1.498 | 1.124 | 1.698 | 1.872 | 1.273 | 1.702 | 1.248 | 1.553 | 
| mean piston speed(m/s) | 6.4 | 6.9 | 8 | 8.8 | 8 | 5.3 | 
| minimum steady speed under load(r/min) | 240 | 260 | 300 | 330 | 300 | 200 | 
| fuel oil consumption(g/kw.h) | 200 | 
| lube oil consumption(g/kw.h) | 1.6 | 
| rotation direction of crankshaft | the left engine turns right,the right engine resolves right.to look from the flywheel side,to turn right is clockwise. | 
| the left engine turns left,the right engine resolves left. To look from the flywheel side to the free side,to turn left is counter-clockwise | 
| starting method | air motor  starting | 
| cooling method | closed water cooling | 
| lubricating method | pressure lubricating | 
| height of lifting piston(mm) | 2010 | 
| overall dimension(mm) | 4143*4500*2567(reference dimensions,take the drawing as standard) | 
| net weight(kg) | 13500 |