Category Archives for Engine News

Oversize Main Bearings Used In Remanufactured Engines Are Also Available For Parts Service

3300 Family Of Engines Oversize main bearings are being used in the short blocks of Remanufactured 3300 Engines. These bearings are also available for parts service when overhaul or repair of these engines is required. The bearings are available in … Continue reading

27. February 2018 by samuel07042012
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40 Power Microscope is Available for Inspecting Bearing Journals on Crankshafts

Caterpillar Products: All 3500 Family Pumpers 3500 and 3500B Family Generator Sets and Power Modules with Standard Displacement Engines with ACERT Technology Equipped with Air CompressorsCaterpillar Products: All 3500B EnginesCommercial and Truck Engines: 3176 3406E C-10 C-12 C-15 C-16Electric Power … Continue reading

27. February 2018 by samuel07042012
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Procedure To Clean Oil Passages In Crankshafts And Cylinder Blocks

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 clean components for assembly. It is important that the correct procedures and tools are used … Continue reading

21. February 2018 by samuel07042012
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Causes And Correction Of Opposite Crankshaft Rotation In Direct Injection Engines

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 of the crankshaft. Most of these conditions occur when there is excessive engine load at … Continue reading

21. February 2018 by samuel07042012
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Four Crankshaft Rear Seals Are Available For Use On 3304 And 3306 Engines

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 a wear sleeve and the other two seals are not used with a wear sleeve. … Continue reading

21. February 2018 by samuel07042012
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Check Crankshaft Seals During Installation Of Engine Overhaul Gasket Kits; Add A Wear Sleeve When Needed

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 sleeve is not part of the kit. One example is the 9S3366 Basic Overhaul Gasket … Continue reading

21. February 2018 by samuel07042012
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New Bend Specification For Used Or Field Reground Crankshafts

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 both used and field reground crankshafts. This new specification is to be used when a … Continue reading

21. February 2018 by samuel07042012
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Use 6V6035 Hardness Tester On Crankshafts

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 journal shows signs of high heat or if it has been ground to a new … Continue reading

21. February 2018 by samuel07042012
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Procedure To Clean Oil Passages In Crankshafts And Cylinder Blocks

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 to be used again) and reconditioned crankshafts and cylinder blocks before they are assembled. One … Continue reading

21. February 2018 by samuel07042012
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Crankshaft Failures

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 are the result of the rotating power that goes into the crankshaft when there is … Continue reading

21. February 2018 by samuel07042012
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