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 New Exhaust Manifold Group And Air Lines Group Used To Prevent Exhaust Leakage{1059,1061}

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}

1980/11/10 Wrong Installation Of Washers Between Bearing Cone And Bearing Retainer Nut Can Cause Directional Clutch Damage{3155,3159,3176}

1980/11/10 Different Caps And Adapters For Ball Studs On Circle Drawbars Can Be Used Without Plastic Inserts{6170,6171}

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

1980/11/10 Valve Assembly And Nipple Moved From Centershift Lock Control Group To Brake Control Group To Prevent Unauthorized Operation{4282,4267,5220,5221,5223,6151}

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

1980/11/03 Recommendations For Replacement Of Tandem Drive Chains{4063}

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

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 Check Alignment Of Engine Flywheel And Torque Converter Input Shaft After Flexible Coupling Failures; Also Check Low Idle RPM{3252,1156,3101}

1980/12/01 Warning: Use Correct Seal On Seat Assembly For Valve Group In Steering Valve Group{4307,4312,4322}

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

1980/12/01 Different Water Temperature Regulators Used In Water Lines Groups{1355}

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

1980/12/01 Inspect All Engine Oil And Fuel Filter Elements Before Installation{1000,1261,1318}