All 3304 and 3306 Engines Made In The U.S.A. Description of Change: Several improvements have been made to 3304 and 3306 Engines starting with the…

In the past 30 years, fuel sulfur wear in engines has been minimized through the use of correct lubricants, adherence to the correct oil change…

The problem of wear caused by sulfur in diesel fuel is serious. At this time, there are confirmed reports of increasing amounts of sulfur in…

The FT1741 Vacuum Tester can be used to check for leaks between the valve face and the seat on cylinder heads. The vacuum tester can…

3300 Series Engines Reports indicate that some 3300 Series Engines with 7N208 Water Temperature Regulators have experienced overcooling or cooling system pressure surges. In many…

Illustration 3 shows a seal with a single silicone rubber sealing lip.

This seal has hydrodynamic grooves in its sealing lip (see Illustration 1). These grooves move lubrication oil back into the engine crankcase as the crankshaft…

There has been some customer concern regarding the use of Remanufactured exhaust valves with Remanufactured cylinder heads in certain applications. The decision to use NEW…

3300 Family Of Engines There are three different designs for the 7S3161 Valve Lifter. See the illustration. All three designs are interchangeable and all three…

Caterpillar Machines Powered By 3304 And 3306 Machine Engines Description of Change: New part numbers have been released for the fuel nozzles in these machine…