PLATE AS 3494846 - Caterpillar

Illustration 1 g00728348
This illustration shows the locations of gaskets, prechamber assembly, and ignition body for the two-piece design of the 110-5469 Prechamber Group for 9:1 C/R applications. The two-piece design of the 110-5469 Prechamber Group is effective with G3606 S/N:3XF1-215
, G3608 S/N:4WF1-142
, G3612 S/N:1YG1-183
, and G3616 S/N:4CG1-156
. (1) 173-7681 Chamber Body Assembly (Ignition Body) (2) 125-3848 Prechamber Assembly (3) 187-6614 Gasket (Upper) (4) 187-6613 Gasket (Lower)Note: The new 187-6613 Gasket (Lower) and the new 187-6614 Gasket (Upper) are NOT recommended for applications that have corrosive components in the engine fuel supply. One example of a corrosive engine fuel supply component is H2S.
Illustration 2 g00728528
This illustration shows the locations of the gasket and prechamber assembly for the single piece prechamber assembly design of the 110-5469 Prechamber Group for 9:1 C/R applications. The one-piece design of the 110-5469 Prechamber Group is effective with G3606 S/N:3XF216-UP
, G3608 S/N:4WF143-UP
, G3612 S/N:1YG184-UP
, and G3616 S/N:4CG157-UP
. The new gaskets are effective with G3606 S/N:3XF268-UP
, G3608 S/N:4WF165-UP
, G3612 S/N:1YG202-UP
, and G3616 S/N:4CG187-UP
. (4) 187-6613 Gasket (Lower) (5) 169-5456 Prechamber Assembly Note: The one-piece prechamber assembly is NOT recommended for landfill/digester gas applications. The one-piece prechamber assembly is NOT recommended for high efficiency 10.5:1 C/R applications. These applications will continue to use the two-piece prechamber assemby.
Illustration 3 g00728550
This illustration shows the locations of the gaskets, prechamber assembly, and ignition body for the 125-3805 Prechamber Group in 10.5:1 C/R applications. The 125-3805 Prechamber Group is effective with G3612 S/N:1YG202-UP
and G3616 S/N:4CG187-UP
. (1) 173-7681 Chamber Body Assembly (Ignition Body) (2) 125-3848 Prechamber Assembly (6) 187-6615 Gasket (Upper) (7) 174-0130 Gasket (Lower)
Illustration 4 g00728576
This illustration shows the locations of gaskets, prechamber assembly, and ignition body for the 117-4911 Prechamber Group that is used in Low BTI (Landfill and Digestor) applicaitons. The 117-4911 Prechamber Group is effective with G3606 S/N:3XF268-UP
, G3608 S/N:4WF165-UP
, G3612 S/N:1YG202-UP
, and G3616 S/N:4CG187-UP
. (2) 125-3848 Prechamber Assembly (6) 187-6615 Gasket (Upper) (7) 174-0130 Gasket (Lower) (8) 173-7663 Chamber Body Assembly (Ignition Body)The new 187-6615 Gasket (Upper) is for use in high efficiency applications and Low BTU (landfill and digestor) applications. This gasket is made of the same material as the former 175-6574 Gasket (Upper), but the 187-6615 Gasket (Upper) has a larger sealing surface area. The 174-0130 Gasket (Lower) is still available for the joint between the head and prechamber assembly. This gasket also has a larger sealing surface area.The former 175-6573 Gasket (Lower) and former 175-6574 Gasket (Upper) have been cancelled.