Kubota DG972 E2, Applications Manual, Page: 52 / 93

1-6
[3] Combustion and cooling air requirements
(At 25 deg.C and 1000 hPa)
NOTE
• Cooling fan and fan pulley specifications (Cooling fan Part No. 15881-7411 ∆ )
• Conversion rates
1 L=61.0237 in
3
=0.035315 ft
3
1 ft
3
=28.3168 L
1 L/sec=3.6 m
3
/h=2.1189 ft
3
/min
Model Fuel Output
Engine Speed (min
-1
(rpm))
2000 2400 2800 3200 3600
WG752
Gasoline
Combustion and
cooling air requirements
L/sec 369.9 431.3 491.2 567.4 670.1
m
3
/h 1331.6 1552.8 1768.3 2042.5 2412.5
in
3
/sec 22572 26322 29974 34622 40894
ft
3
/min 783.7 913.8 1040.6 1202.0 1419.7
LPG
Combustion and
cooling air requirements
L/sec 359.1 425.8 491.6 564.5 689.9
m
3
/h 1292.9 1532.8 1769.8 2032.4 2483.8
in
3
/sec 21916 25982 30000 34450 42102
ft
3
/min 760.9 902.0 1041.5 1196.0 1461.7
Model Fuel Output
Engine Speed (min
-1
(rpm))
2000 2400 2800 3200 3600
WG972
Gasoline
Combustion and
cooling air requirements
L/sec 584.9 753.6 843.8 855.7 789.3
m
3
/h 2105.5 2712.9 3037.7 3080.5 2841.5
in
3
/sec 35690 45986 51492 52217 48165
ft
3
/min 1239.1 1596.5 1787.7 1812.9 1672.2
LPG
Combustion and
cooling air requirements
L/sec 482.8 602.2 704.7 755.0 745.7
m
3
/h 1738.0 2168.1 2537.1 2718.1 2684.5
in
3
/sec 29461 36751 43005 46074 45504
ft
3
/min 1022.8 1275.9 1493.1 1599.6 1579.8
DG972 NG
Combustion and
cooling air requirements
L/sec 433.0 533.1 617.5 652.8 600.1
m
3
/h 1558.7 1919.2 2222.9 2350.1 2160.4
in
3
/sec 26422 32532 37680 39835 36620
ft
3
/min 917.3 1129.4 1308.2 1383.0 1271.4
Item
Fan diameter 300 mm (11.81 in)
No. of blade and type of shape 4, S type
Diameter of fan driving pulley 100 mm (3.94 in)
Diameter of fan pulley 84 mm (3.31 in)