New Part Numbers Designate Crankshaft Use{1202}
Usage:
D398, D399 Engines
Two new part numbers are used to designate crankshaft usage in D398 and D399 Engines. No changes have been made to the crankshafts. Only the part numbers were changed to designate those crankshafts which have been given additional testing to meet the Marine Society certification specifications. Use the chart to order the correct crankshaft for your engine requirements.
Caterpillar Information System:
1985/06/24 Orifice Fitting Or Snubber Can Help Stop Erratic Fuel Gauge Operation{7456}
1985/06/17 Self-Powered Hour (Service) Meter Group Available{7478}
1985/06/17 Oil Filter Inspection Can Save Additional Internal Engine Damage{1318}
1985/06/17 New Cylinder Blocks Permit The Use Of One Positive Crankcase Ventilation (PCV) Valve{1300,1074,1201}
1985/06/17 New Oil Seal And Coolant Seal Group Improve Service Life Of Engine Water Pump{1361,1389,1373}
1985/06/17 Metric Tap And Rethreading Dies Available{0600}
1985/06/17 Inspection And Installation Procedures For Water Pump Shaft And Seals{1361,1389,1373}
1985/06/10 New Rust Preventive Used In Part Distribution System{0645}
1985/06/10 New Service Tools Available{0600}
1985/06/10 Higher Torque Can Be Used With 6V6980 Nozzle Puller Group{0706,1254}
1985/06/10 Clamps Removed From Turbocharger Oil Lines Group{1300,1307}
1985/06/10 New Degree Wheel Available For Measuring Torque Turn Angles{0600}
1985/07/01 New Cylinder Heads And Fuel Nozzle Adapters Used{1101,1106}
1985/07/01 Voltage Regulator Cross Reference Chart{1410,1405}
1985/07/01 Battery Disconnect Switch Stops Battery Drain{1411}
1985/07/01 Fuel Return Tube Assembly Replaced By Hose Assembly{1274}
1985/07/01 Breather Element Added To PCV Valve{1300,1074}
1985/07/01 Oil Pump Flow Increased{3310,3314}
1985/07/01 Fuel Filter Service Indicators Now Available{7450}
1985/07/15 New Type Of Paint Used On Some Caterpillar Products; Do Not Weld On Painted Surfaces{0350,0679}
1985/07/15 Extra Injection Nozzle Clamp Helps Prevent Injection Nozzle Damage{1252}
1985/07/15 Problems Caused By Electric Governors That Are Not Supplied By Caterpillar{1289,1257}
1985/07/15 Hardened Washers Used In Engine Oil Lines; Locks Removed From Oil Pump{1307}
1985/07/15 Change To Astern Drive Shaft Reduces Horsepower Loss And Improves Ahead Clutch Cooling{3351}