2001/06/01 Caterpillar

Engines:

G3406 (S/N: 4FD; 1RK)

G3408 (S/N: 6NB; 6RJ)

G3412 (S/N: 7DB; 3NK)

Engine News SEBD9216, October 1994, "New Stainless Steel Aftercooler Provides Longer Life In Landfill Applications". Disregard this article. The article has been replaced by the following article.

Description of Change: New stainless steel aftercooler core assemblies are available for use in applications that use landfill gas and digester gas. In these applications, the new stainless steel aftercooler core assemblies will provide more service life than the standard copper aftercooler core assemblies. The new stainless steel aftercooler core assemblies are much less affected by the variety of harmful gases and corrosive gases that are found in landfills.

Adaptable To: The new stainless steel aftercooler core assemblies that are identified in the table can be used as direct replacements for the standard copper aftercooler core assemblies. The standard copper aftercooler core assemblies are still available.

Table 1

Aftercooler Core Assemblies
Model	Part Numbers for the New Stainless Steel Aftercooler Core Assemblies	Part Numbers for the Standard Copper Aftercooler Core Assemblies
G3406	101-9162	7W-9220
G3408	104-4228	7C-3385
G3412	104-4227	7C-3386