Improved Axle Housing Drain Plug Now Used on Certain R2900G and R3000H Load Haul Dump Machines {0663, 4050, 4201} Caterpillar


Improved Axle Housing Drain Plug Now Used on Certain R2900G and R3000H Load Haul Dump Machines {0663, 4050, 4201}

Usage:

R2900G NLK
Load Haul Dump
R2900G (S/N: NLK148-227)
R3000H (S/N: RCY128-131)

Description Of Change: A new drain plug is now used on front and rear axle housings of certain machines. The new drain plug has a smaller size hexagonal head for improved tooling access. Refer to Table 1.

Table 1
New Part (Small Head)  Description  Former Part (Large Head) 
573-7671  Magnetic Plug  5P-4484 

Adaptable To: The changes are adaptable to the above serial numbered machines. Machines not listed above should use the former part number.



Illustration 1g06393717
Typical example
(1) 573-7671 Magnetic Plug
(2) 7M-8485 O-Ring Seal

Machine Reference

Table 2
Machine  Serial Number  Drain Plug Part Number 
R2900G  S/N:NLK1-147,227-UP  5P-4484 
R3000H  S/N:RCY1-127,132-UP 
R2900G  S/N:NLK148-226  573-7671 
R3000H  S/N:RCY128-131 

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