TUBE AS 1951736 - Caterpillar

Table 1
New Part Number     Description     Sales Model     Former Part Number    
451-2438     Engine Software     349E     421-8966    
452-2405     Engine Ratings Electronic Software Gp     336E
568     421-8965    
452-2515     Engine Ratings Electronic Software Gp     336EH     433-0977    The new software is adaptable back to the first production of the engines of the above listed machines.The change is effective at the factory with the engine serial numbers listed in Table 2.
Table 2
Effected Serial Numbers    
S/N:CMR00222-UP    
S/N:BZY02526-UP    
S/N:FJH01403-UP    
S/N:YCE00625-UP    
S/N:YEP00539-UP    
S/N:RZA00921-UP    
S/N:DSZ00204-UP    
S/N:T3Z00230-UP    
S/N:TMZ00352-UP    
S/N:KFX00474-UP    
S/N:MPZ00829-UP    
S/N:MZW00220-UP    
S/N:TFG01136-UP    
S/N:DGE00363-UP    
S/N:KCN00355-UP    
S/N:S3P00215-UP    
S/N:BRB00314-UP