1980/11/17 Caterpillar

Some Remanufactured 3406 Engines Have The Wrong Reference Serial Number On The Identification Plate{7557,1000}

Usage:

A remanufactured serial number and a reference serial number are put on the identification plate of remanufactured 3406 Engines. The reference serial number permits the selection of the correct parts book for a specific engine. Some of the reference serial numbers put on early remanufactured 3406 Engines are not correct. The identification plates have the correct serial numbers, starting with the serial numbers shown in the chart which follows:

If you have a remanufactured 3406 Engine with a wrong reference serial number on the plate, a plate with the correct serial number can be ordered at no cost from:

Caterpillar Tractor Co.
Parts and Service Sales G.O., AB5D
Attention: Remanufacturing Section
Peoria, IL 61629
(309) 675-5100

NOTE: If a corrected plate is desired, be sure the remanufactured serial number of your engine is sent with the order.

Caterpillar Information System:

1980/11/17 Use Dust Cap To Prevent Freon Leakage From Air Conditioner; Cap Is Available As Replacement Part{7320}

1980/11/17 Tee-Test Plug And Pressure Tap (Connection) Plugs Can Be Tightened To A Higher Torque To Prevent Leaks{5050,0651}

1980/11/17 6V4021 Piston Ring Compressor Group Available{1215,1214,0622}

1980/11/17 Two Thinner Spacers Available For Use During Adjustment Of Off-Engine Timing Dimension{1251,0653}

1980/11/17 Coolant Conditioner Elements Are Now Available For 3208 Engines{1350}

1980/11/17 Check For Correct Spring Retainer On Oil Pump Bypass Valve When Oil Pan Is Removed{1315,1302}

1980/11/17 Improved Cable Assembly For Mechanical Shut-Off Group{7418}

1980/11/10 6V3147 Main Bearing Wrench Now Available{1203,0612}

1980/11/10 Special Tools Available To Tighten Retainer Nuts For Clutch Drive Hubs Of 7211 And 7221 Marine Transmissions{0612,0626,3302}

1980/11/10 Double-Check Those Dimensions{0374}

1980/11/03 Spider And Bearing Assembly Must Be Correctly Installed In Drive Shaft-To-Power Control Box Universal Joint{5234,5204,5201}

1980/11/03 FT1523 Fuel Oil System With External Filter Is Available{0652}

1980/11/24 New Decals Permit Easier Identification Of Fuel System Settings On Most Truck Engines{7557}

1980/11/24 New Aftercooler Core Has Copper-Nickel Tubes For Increased Strength{1063,1064}

1980/11/24 Use Fluid-Type Vibration Damper To Control Vibrations{1205,3305}

1980/11/24 New Gasket Improves Operation Of Shut-Off Groups{7418,7403}

1980/11/24 6V4008 Valve Seat Extractor Now Available{1103,0622}

1980/11/24 Replacement Wheel Available For Service Of 6V97 Engine Stand Group{0626}

1980/12/01 Direct Inquiry Service Information Retrieval System (SIRS) Available To U.S. And Canadian Dealers{0374}

1980/12/01 Exhaust Manifold And Air Lines Groups Changed To Prevent Exhaust Leakage And Damage To Manifold Gaskets And Mounting Studs{1059,1061}

1980/12/01 Larger Plug Used In The Ends Of The Rocker Arm Shaft Assembly{1102}

1980/12/01 New Service Handle Kit Permits Cab Door To Be Opened From Inside While Locked (Fastened With Lock){7308,7301}

1980/12/01 New Front Housing Assembly And Gaskets Used{1162,1166,1151}

1980/12/01 Different O-Ring Seal Now Used On The Oil Pump Suction Tube{1307,1304}