SEAL 1731007 - Caterpillar

The Caterpillar C7.1 (Mech) Industrial Engine has the following characteristics.
In-line six cylinder
Four stroke cycle
Turbocharged aftercooledEngine Specifications
Note: The front end of the engine is opposite the flywheel end of the engine. The left and the right sides of the engine are determined from the flywheel end. The number 1 cylinder is the front cylinder.
Illustration 1 g00939480
Cylinder and valve location (A) Inlet valve (B) Exhaust valve
Table 1
C7.1 (Mech) Engine Specifications    
Operating Range (rpm)     900 to 2800 (1)    
Number of Cylinders     6 In-Line    
Bore     105 mm (4.13385 inch)    
Stroke    
135 mm (5.31495 inch)    
Aspiration     Turbocharged aftercooled    
Compression Ratio for the C7.1 (Mech) 6301-UP engine     16:1    
Compression Ratio for the C7.1 (Mech) , 6731-UP engine     18.5:1    
Displacement    
7.01 L (427.78 cubic inch)    
Firing Order     1-5-3-6-2-4    
Rotation (flywheel end)     Counterclockwise    
Valve Lash Setting (Inlet)    
0.35 mm (0.013 inch)    
Valve Lash Setting (Exhaust)    
0.45 mm (0.018 inch)    
( 1 ) The operating rpm is dependent on the engine rating, the application, and the configuration of the throttle.Engine Cooling and Lubrication
The cooling system consists of the following components:
Gear-driven centrifugal water pump
Water temperature regulator which regulates the engine coolant temperature
Gear-driven rotor type oil pump
Oil coolerThe engine lubricating oil is supplied by a rotor type oil pump. The engine lubricating oil is cooled and the engine lubricating oil is filtered. The bypass valve can provide unrestricted flow of lubrication oil to the engine if the oil filter element should become plugged.Engine efficiency, efficiency of emission controls, and engine performance depend on adherence to proper operation and maintenance recommendations. Engine performance and efficiency also depend on the use of recommended fuels, lubrication oils, and coolants. Refer to Operation and Maintenance Manual, "Maintenance Interval Schedule" for more information on maintenance items.