1998/01/26 Caterpillar

New Muffler Assembly And Support Brackets Available {1062}

Usage:

914G (7ZM240-Up, 9WM421-Up) Wheel Loaders;
IT14G (8ZM198-Up, 1WN282-Up) Integrated ToolCarriers

Description of Change: A new muffler assembly and support brackets are available for the above machines. The new muffler assembly and brackets are more durable and have a longer service life.

Adaptable To: The new 133-9478 Muffler Assembly replaces the former 130-7963 Muffler Assembly. The new 133-9479 and 133-9480 Brackets replace the former 113-7355 and 113-7356 Brackets. The new muffler assembly and brackets are effective with the above machines and adaptable back to first production.

NOTE: The former 130-7963 Muffler Assembly, 130-7961 and 130-7962 Brackets replaced a previous 118-4661 Muffler Assembly, 113-7355 and 113-7356 Brackets. The durability of the former 130-7963 Muffler Assembly, 130-7961 and 130-7962 Brackets is as good as the new 133-9478 Muffler Assembly, 133-9479 and 133-9480 Brackets. Sound suppression is the only difference between the two sets. However, the durability of the previous 118-4661 Muffler Assembly, 113-7355 and 113-7356 Brackets is not as good. If any part of the 118-4661 Muffler Assembly, 113-7355 and 113-7356 Brackets need to be replaced, replace all with the new 133-9478 Muffler Assembly, 133-9479 and 133-9480 Brackets.

NOTE: It is not necessary to change all the parts when replacing any part from the former 130-7963 Muffler Assembly, 130-7961 and 130-7962 Brackets to the new 133-9478 Muffler Assembly, 133-9479 and 133-9480 Brackets.

Caterpillar Information System:

1998/01/26 Washer Bottle Strap Now Available Through Parts Service {7306}

1998/01/26 Supplement For Rolling Torque Specification {3254,3258,3263}

1998/01/26 Supplement For Effectivity On Suspension Control Sensor Group {7227}

1998/01/26 Air Filter Used In Fast Fill Service Center Groups To Decrease Contamination In Fuel {7513,1273}

1998/01/26 Increased Material On Rear Suspension Support Castings {7210,7050}

1998/01/26 Longer Studs Or Bolts And Spacers Will Improve Assembly Between Differential And Differential Housing {3258,3283}

1998/01/26 New Wheel (Cast) And Required High Capacity Bearings Will Increase Service Life {4051,4066,4208}

1998/01/26 Addition Of Valve Assembly To Brake Lines Group Will Provide Access For Field Oil Sampling {4295}

1998/01/26 Special Instruction Available For Installing 3516B EUI Engine To 793B Off-Highway Trucks With VIMS {0374,7601,1000}

1998/01/26 New Clamp Assemblies Used In Air Lines Groups {1071}

1998/01/26 Updated Electrical Schematic Available For 785B And 789B Off-Highway Trucks {0374,4070,0645}

1998/01/26 New Custom Product Support Literature Available For 776D Tractors And 777D Trucks Equipped With 3Z-6307 Fuel Filter And Heater Group {0374,1261,1296}

1998/01/26 Serviceable Parts Available For Fuel Injection Pump Groups {1251}

1998/01/26 New Washer-Retainers Increases Service Life Of Rolling Hoses {6460,5057}

1998/01/26 Adjustable Mounting Arrangement And Flexible Coupling For Hydraulic Pump Available {5062}

1998/01/26 098-5847 Handle Retainer Bracket In The 098-5853 Quick Hitch Group Is Now Serviced {6129}

1998/01/26 Improved Load Capacity Charts Are Model Specific {6400}

1998/01/26 Individual Components Of Hydraulic Pumps Are Available As Separate Service Parts {5070}

1998/01/26 The 154-6732 Pump Kit Is Available To Help Service The Unit Injector Hydraulic Pump Group On 3408E (99C) And 3412E (80M) Machine Engines {1714}

1998/01/26 Service Repair Kits For Steering Column Group Available {4310}

1998/01/26 Explanation Of New Switch Operation For Kickout Positioner {5109}

1998/01/26 Improved Water Seal Reduces The Possibility Of Cylinder Head Joint Water Leaks {1100}

1998/01/26 Be Sure To Correctly Tighten 1R-0712, 1R-0740, 1R-0749, 1R-0750, 1R-0751, 1R-0753, And 1R-0759 Fuel Filter Assemblies {1261}

1998/01/26 Caterpillar Electronic Technician (ET) Training Video Available {0374}