1.3.2 General terms for diesel performance Net power The correction value for effective power outputted by the engine with all on-board parts Total power The correction value for effective power outputted by the engine with essential parts for operation Rated power The total output power given by the manufacturer at the specified rated speed according to the specific engine application, as indicated on the nameplates of engine HFC4DA1 and 4DA1-1 Maximum power The maximum total power outputted by the engine at full-load working condition, which is generally greater than or equal to the rated power Load The ratio between the actual engine output power and the possible maximum power at the same speed, which is expressed by percentage Maximum no load governed speed The speed which the engine reaches when the accelerator reaches its limit and the engine runs under no load working condition To avoid diesel overspeed, the speed indicates the maximum speed control given by the injection 24 23.
Crankshaft connecting rod journal Connecting rod bearing halfshell hole (after assembly) 0.070 Φ530.085 0.016 Φ530.041 Gapping 0.029~0.069 0.10 24. Piston outer diameter grouping Group A Group B Group C Cylinder liner grouping (after pressing in) Group A Group B Group C 92.957~92.970 92.970~92.983 92.983~92.996 93.021~93.034 93.034~93.047 93.047~93.060 Grouping Gapping 0.051~0.077 25. Piston ring end gap First gas ring Second gas ring Oil ring Piston ring end gap First ring Second ring Oil ring 0.2~0.4 0.2~0.4 0.1~0.3 0.09~0.125 0.05~0.075 0.03~0.07 0.2~0.4 0.6~0.85 0.35~0.65 0.078~0.139 0.045~0.09 0.03~0.07 1.5 0.15 0.15 0.15 26.
Vertical height of injector to cylinder head lower undersurface 3.940.36 mm 0.23 2.410.53mm 0.31