All Engines Cleanliness is a major factor in preventing bearing failures. Do not assemble debris into the engine. Successful overhauls demand clean work areas and…

There have been reports of direct injection engines experiencing brief opposite rotation of the crankshaft. There are several conditions which can lead to opposite rotation…

3304 and 3306 Engines There are four crankshaft rear seals available for use on 3304 and 3306 Engines. Two of the seals are used with…

3304, 3306 Engines In All Applications Some basic overhaul gasket kits have a crankshaft rear seal for use with a wear sleeve, but the wear…

All Caterpillar Engines A new bend specification of 0.13 mm (.005″) maximum T.I.R. (Total Indicator Reading) for main bearing journals is to be used for…

Use the 6V6035 Hardness Tester to check crankshaft journal hardness before and after they are reground. It is important to check for hardness if the…

All Engines It is Caterpillar’s recommendation that the procedure that follows should be used to clean all new, used (crankshafts and cylinder blocks that are…

All Caterpillar Engines There are two forces that act upon every crankshaft. Torsional forces are those forces which try to twist the crankshaft. These forces…

All Caterpillar-built Engines Remanufactured crankshafts are now available for almost all Caterpillar-built engines. These remanufactured crankshafts have had both the rod and main journals ground…

A crankshaft is a crankshaft, right? WRONG! With a Caterpillar Remanufactured Crankshaft you get more. For instance, no one else but Caterpillar can offer you…