
Main data:
Model  | WD615.61C  | WD615.64C  | WD615.67C  | WD615.68C  | WD615.46C  | WD615.57C  | 
Type  | Vertical、In-Iine、Water cooling、4-Stroke、Direct Injection  | |||||
Cylinder quantity  | 2  | 2  | 2  | 2  | 2  | 4  | 
Bore×Stroke(mm)  | 126×130  | 126×130  | 126×130  | 126×130  | 126×130  | 126×130  | 
Displacement (L)  | 9.726  | 9.726  | 9.726  | 9.726  | 9.726  | 9.726  | 
Compression ratio(mm)  | 17:1  | 17:1  | 17:1  | 17:1  | 17:1  | 17.5:1  | 
Max net speed kW(PS)  | 91~155 (124~211)  | 145~158 (197~215)  | 164~180 (223~245)  | 175~205 (238~279)  | 202~240 (275~327)  | 220~257 (299~350)  | 
Rated speed (r/min)  | 1500~2000  | 1500~1800  | 1500~2000  | 1500~2100  | 1500~2100  | 1500~2000  | 
Max torque (Nm)  | 850/920  | 1100  | 1160  | 1350  | 1500  | 1650  | 
Max torque speed (r/min)  | 1100~1600  | 1100~1600  | 1100~1600  | 1100~1600  | 1100~1600  | 1100~1600  | 
Idle speed (r/min)  | Main engine 600±50 Auxiliary engine 700±20  | Main engine 600±50 Auxiliary engine 700±20  | Main engine 600±50 Auxiliary engine 700±20  | Main engine 600±50 Auxiliary engine 700±20  | Main engine 600±50 Auxiliary engine 700±20  | Main engine 600±50 Auxiliary engine 700±20  | 
Min fuel consumption rate(g/kW.h)  | ≤220  | ≤220  | ≤210  | ≤210  | ≤210  | ≤210  | 
Net Weight(kg)  | 850  | 850  | 900  | 900  | 900  | 900  |