Kubota DG972 E2, Applications Manual, Page: 51 / 93

1-5
[2] Cooling air requirements (At 25 deg.C and 1000 hPa)
NOTE
• Above data is decided by following conditions.
– Using the standard radiator.
– Engine is run as open unit.
Model Fuel Output
Engine Speed (min
-1
(rpm))
2000 2400 2800 3200 3600
WG752
Gasoline Cooling air requirements
L/sec 359.4 418.8 476.5 550.6 651.3
m
3
/h 1294 1508 1715 1982 2345
in
3
/sec 21933 25554 29078 33598 39742
ft
3
/min 761.5 887.2 1009.5 1166.5 1379.8
LPG Cooling air requirements
L/sec 349.2 413.8 477.6 548.6 672.0
m
3
/h 1257 1490 1719 1975 2419
in
3
/sec 21307 25251 29146 33475 41005
ft
3
/min 739.7 876.7 1011.9 1162.2 1423.6
Model Fuel Output
Engine Speed (min
-1
(rpm))
2000 2400 2800 3200 3600
WG972
Gasoline Cooling air requirements
L/sec 571.2 737.2 824.7 833.9 764.8
m
3
/h 2056 2654 2969 3002 2753
in
3
/sec 34859 44988 50328 50886 46668
ft
3
/min 1210 1562 1747 1767 1620
LPG Cooling air requirements
L/sec 469.8 586.7 686.6 734.2 722.3
m
3
/h 1691 2112 2472 2643 2600
in
3
/sec 28668 35800 41896 44806 44077
ft
3
/min 995 1243 1455 1556 1530
DG972 NG Cooling air requirements
L/sec 420.6 518.3 600.2 633.0 577.9
m
3
/h 1514 1866 2161 2279 2080
in
3
/sec 25668 31628 36625 38630 35264
ft
3
/min 891 1098 1272 1341 1224