GEAR,HELICAL 5S7632 - Caterpillar

The 3500C Series of engines are electronically controlled diesel engines. The engines have electronic fuel injectors. The engines can be equipped with either separate circuit aftercooling or jacket water aftercooling. 3500C Specifications
Table 1
3500C Specifications    
Engine     3508C     3512C    
Cylinders and arrangement     60 degree Vee 8     60 degree Vee 12    
Bore    
170 mm (6.7 inch)    
Stroke    
190 mm (7.5 inch)    
Type     four - stroke cycle    
Compression ratio     14.7:1    
Aspiration     Turbocharged    
Method of cooling the turbocharged air     Separate circuit aftercooler    
Jacket water aftercooler (option)
Displacement per cylinder    
4.3 L (263 cu in)    
Total displacement    
34.5 L (2105 cu in)    
51.8 L (3158 cu in)    
Rotation (flywheel end)     Counterclockwise    
Firing order ( injection sequence)     1,2,7,3,4,5,6,8     1,2,9,10,5,6,11,12,3,4,7,8    
Fuel     See this Operation and Maintenance Manual, "Fuel Recommendations" (Maintenance Section).    
Method of fuel injection     Electronic fuel injectors    
Method of starting     Air starting motor    
Electric starting motor
Exhaust back pressure (design)    
2.5 kPa (10 inches of H2O)    
Maximum allowable back pressure    
5.0 kPa (20 inches of H2O)    
Maximum inlet air Restriction    
6.2 kPa (25 inches of H2O)     3500C Engine Design
Illustration 1 g01093331
3508C Engine design (A) Inlet valve (B) Exhaust valve (C) Flywheel
Illustration 2 g00749769
3512C Engine design (A) Inlet valve (B) Exhaust valve (C) Flywheel