460-9789 Major Overhaul Foundational Kit for 3412 Generator Set Engines{1000} Caterpillar

Electric Power Generation:

3412 GENSET (S/N: 4BZ1-UP)

Engine:

3412 (S/N: 38S1-UP; 81Z1-UP)

3412C (S/N: 9EP1-UP; LRY1-UP; 81Z1-UP)

Industrial Engine:

3412C IND (S/N: 38S1-UP)

Introduction

This Special Instruction is intended to provide information on the Engine Overhaul Kit Consist and detailed information on specific parts that should be used based on engine arrangements.

This Engine Overhaul Kit may contain extra parts and extra quantities due to the variety of engine arrangements assigned to a given kit. Refer to the corresponding Parts Manual or Disassembly and Assembly manual in Table 1.

Note: This Kit may contain upgraded parts. These upgraded part numbers may be different than what you have in the parts manual or engine, but these parts have been technically reviewed for compatibility with your application.

Note: This kit contains gasket kits and includes additional parts needed to perform an engine overhaul.

Note: This kit does not contain rod bearings, main bearings, and thrust plates.

Note: For more information, visit us at: electricpowersupport.cat.com.

Note: For assistance with technical questions, contact your local Cat dealer.

Reference Material

Note: For ordering reference material, contact your local Cat dealer.

3412 460-9789 Major Overhaul Kit Consist

3412 Engine Gasket Kit Locations

Illustration 1	g03708837
(1) Single Cylinder Head ( 460-0780 Gasket Kit ) (2) Front Structure ( 449-9116 Gasket Kit ) (3) Central and Lower Structure ( 460-0714 Gasket Kit ) (4) Oil Cooler and Lines ( 459-9781 Gasket Kit ) (5) Rear Structure ( 460-0735 Gasket Kit ) (6) Aftercooler and Lines Kit ( 460-2324 Gasket Kit )

Gasket Kit Consists

Single Cylinder Head (460-0780 Gasket Kit)

Refer to Illustration 1.

Oil Cooler and Lines (459-9781 Gasket Kit)

Refer to Illustration 1.

Front Structure (449-9116 Gasket Kit)

Refer to Illustration 1.

Central and Lower Structure (460-0714 Gasket Kit)

Refer to Illustration 1.

Rear Structure (460-0735 Gasket Kit)

Refer to Illustration 1.

Aftercooler and Lines 460-2324 Gasket Kit)

Refer to Illustration 1.