New Oil Pan Assembly Uses An O-Ring And Plug For A Better Seal{1302}
Usage:
D348 Truck Engines (57K);
773 and 777 Trucks;
641B, 650B, 651B, 657B, 660B, 666B, 772 and 776 Tractors
Description of Change: A new oil pan assembly, which uses an O-ring and a plug to give a better seal, is used on the above models. The O-ring and plug will prevent leakage better than the pipe plug which was used in the former pan assembly.
Adaptable As: Shown in the chart.
Caterpillar Information System:
1979/03/05 Improvements Made To Fuel Injection Pump And Governor Group{1253,1281,1286}
1979/03/05 New Fuel Injection Nozzles Are Used In 3208 Engines{1254}
1979/03/05 New Piston And Connecting Rod Are Tapered In Area Of Piston Pin{1213,1214,1218,1219}
1979/03/05 New Engine Cylinder Block Used{1201}
1979/03/05 Main Bearings Now Have Larger Diameter Oil Hole For Better Lubrication Of Main And Rod Bearings{1203,1219,1300}
1979/02/19 Engine Valve Springs Are Now Made Of Carbon Steel Alloy{1101,1108}
1979/02/19 New Exhaust Pipe Connector Makes A Tighter Seal Between Pipe And Manifold{1061,1059}
1979/02/19 New Exhaust Valve And Valve Guide{1104,1105}
1979/02/19 Modification Of 5P9726 Plug Gauge That Is Used To Check Brake Wear{0653}
1979/02/19 Use Correct Procedure To Clean The Engine Lubrication System If Permanent Type Antifreeze (Ethylene Glycol) Is In The Engine{1318,1350}
1979/02/19 Use SIRS To Keep Service Literature Current{0374}
1979/02/05 High Sulfur Fuel Can Cause Severe Engine Wear And Internal Damage{1280}
1979/03/05 Engine Mounted Exhaust Brake Systems Can Be Used To Extend Service Brake Life{1050}
1979/03/12 New Larger Capacity Water Separator Is Available{1250}
1979/03/12 Retroreflective Tape Makes Phototach Kit Easier To Read{0651,0653}
1979/03/12 New Manifold Assembly Gives More Room For The Lifting Eye{1059}
1979/03/12 SAE 15W/40 Multiviscosity Oil Can Be Used In Engines, Transmissions And Final Drives{1318,3067,3179,4070}
1979/03/12 New Design Fuel Injection Valve Body Used In Fuel Injection Lines Group{1252,1254}
1979/03/12 Check Valve Must Be Adjusted Correctly To Let Fuel Flow Through The Return Line And Back To The Tank{1275,1253,1274}
1979/03/12 Larger Diameter Washer Is Used To Hold Air Transfer Pipe In Aftercooler Flange{1063,1058}
1979/03/12 Magneto Improvements{1413}
1979/03/12 New Fuel Injection Lines Groups Use A Different Fuel Injection Nozzle Assembly{1254}
1979/03/19 Maintenance Procedures For Extended FPTO Life On 3408 And 3412 Marine Engines{3055}
1979/03/19 New Oil Filter And Filter Base Assemblies{1306,1378,1318}