1979/03/14 Caterpillar


Replacement Bushing Available For Cast Iron Rocker Arms Only

Usage:




3300 Series Engines

Description of Change: There are two types of rocker arms used on 3300 Series Engines; cast iron and stamped steel. The cast iron rocker arms are an earlier part, and a replacement bushing is available for parts service of these rocker arms. A replacement bushing is not available for the later stamped steel rocker arms. If a bushing in a stamped steel rocker arm becomes worn too much, a new rocker arm must be installed. The Part Numbers for the cast iron and stamped steel rocker arms are the same, but identification can be made visually.

Adaptable To: The 4F443 Bushing is available for replacement of bushings used in the cast iron 5S6854 Inlet Rocker Arm and 5S6855 Exhaust Rocker Arm used on 3300 Series Engines. The 4F443 Bushings are available in packages of four only.

Caterpillar Information System:

1979/03/14 Information About The Use Of Earlier Cylinder Heads And Liners With Spacer Plate Cylinder Blocks; List Of Earlier Articles
1979/03/14 Revision To Guideline For Reusable Parts Is Available
1979/03/14 List Of Service Publications
1979/03/14 Larger Diameter Washer Is Used To Hold Air Transfer Pipe In Aftercooler Flange
1979/03/14 Maintenance Procedures For Extended FPTO Life On 3408 And 3412 Marine Engines
1979/03/14 Main Bearings Now Have Larger Diameter Oil Hole For Better Lubrication Of Main And Rod Bearings
1979/03/14 8L4525 Flange Is Available Again For Parts Service Of 3192 Marine Transmissions
1979/03/14 Improvements Made To Fuel Injection Pump And Governor Group
1979/03/14 New Engine Cylinder Block Used
1979/03/14 New Fuel Injection Nozzles Are Used In 3208 Engines
1979/03/14 New Piston And Connecting Rod Are Tapered In Area Of Piston Pin
1979/03/14 New Oil Filter And Filter Base Assemblies
1979/04/04 New Fabricated Tools Available For Service Work On 7211 And 7221 Marine Transmissions
1979/04/04 New Oil Jet Tube In Cylinder Block Gives More Clearance For Pistons And Connecting Rods
1979/04/04 Four Crankshaft Rear Seals Are Available For Use On 3304 And 3306 Engines
1979/04/04 List Of Service Publications
1979/04/04 New Woodward Governor Control Used On Diesel Engines; Former Control Now Used On Gas Engines Only
1979/04/04 Improved Fuel Priming Pumps Give Longer Service Life
1979/04/04 Fabricated Air-To-Water Aftercooler Available For Dynamometer Testing Of Engines Equipped With Air-To-Air Aftercoolers
1979/04/04 A Reverse Connection Of Oil Filter Hoses Can Cause Bearing Failures
1979/04/04 New Pistons And Timing Advance Unit Give Better Emissions Control And Easier Starts
1979/04/25 6V112 Repair Kit Available For Parts Service Of The 8H8558 Nut Spinner
1979/04/25 Inspection Of Connecting Rods In Parts Stocks
1979/04/25 Conversion Group Available To Install Woodward Governor On Engines Equipped With Mechanical Governor
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