2014/09/04 New Recommendation for Use of Composite Fans {1205, 1356, 1357, 1359, 1360} Caterpillar


New Recommendation for Use of Composite Fans {1205, 1356, 1357, 1359, 1360}
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Wheel Loader:
994F (S/N: 4421-UP)
994H (S/N: DWC1-UP)

Description of Change: A new recommendation for use of composite fans is now available. The composite fans were previously recommended for use in higher ambient and higher altitude applications. Fan failures have been reported due to debris ingestion. The recommendation is to remove the composite fan and return to the factory pulleys and metal fan to increase system durability.

Adaptable To:

Table 1
Required Parts    
Item     Qty     Part Number     Description    
1     16     8T-4196     Bolt    
2     16     8T-7934     Hard Washer    
3     8     1A-1460     Bolt    
4     8     5P-8245     Hard Washer    
5     1     111-4377     Fan Spider As    
6     1     102-6293     Pulley    
7     1     9Y-8465     Crankshaft Pulley Gp    
8     1     7E-6854     Adapter    
9     1     102-9928     V-Belt Set    
The Use of Composite Fan is adaptable to the following machines:

  • 994F (S/N: 4421-UP)

  • 994H (S/N: DWC1-UP)

Note: Do not use the 379-9675 Pulley or 112-5996 Crankshaft Pulley with the factory fan. Doing so may damage the factory 111-4377 Fan Spider As .

Rework Procedure

Table 2
Rework Parts Matrix    
Add Item     Remove Item     Qty     Part Number     Description    
X         16     8T-4196     Bolt    
    X     16     8T-4186     Bolt    
X         16     8T-7934     Hard Washer    
    X     16     8T-4121     Hard Washer    
    X     16     6F-7831     Washer    
X         8     1A-1460     Bolt    
    X     8     0S-1587     Bolt    
X         8     5P-8245     Hard Washer    
    X     8     198-4778     Hard Washer    
X         1     111-4377     Fan Spider As    
    X     1     381-0449     Fan Spider As    
X         1     102-6293     Pulley    
    X     1     379-9675     Pulley    
X         1     9Y-8465     Crankshaft Pulley Gp    
    X     1     112-5996     Crankshaft Pulley    
X         1     7E-6854     Adapter    
    X     1     380-2976     Fan Adapter    
X         1     102-9928     V-Belt Set    
    X     1     374-3609     V-Belt Set    

  1. Remove the parts listed in "Remove Item" in the "Rework Parts Matrix".

    Refer to Disassembly and Assembly, RENR6303 for the 994F has all the steps required to remove the parts listed.

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