WinGD X72-B - Page 483

Tab 11-2 Rated power
Rating point Speed Power BSFC Mean pis-
ton speed
MEP Firing pres-
sure
[rpm] [kW/cyl.] [g/kWh] [m/s] [bar] [bar]
R1 89
3920
164.8
9.2
21 21
R2 89 2860 159.3 9.2 15.4 15.4
R3 66
2910
163.8 6.8 21 21
R4 66 2120
159.3
6.8
15.4
15.4
Fig 11-1 Operating range
R1
R2
R4
R3
S
P
Legend
R1 Highest power at highest speed R4 Lowest power at lowest speed
R2 Lowest power at highest speed P Power
R3 Highest power at lowest speed S Speed
X72-B
AA00-0000-00AAA-030A-A
Operation Manual Engine data
Winterthur Gas & Diesel Ltd.
- 483 - Issue 003 2021-12