DOWEL 9M4007 - Caterpillar

Generator SetG3512E (S/N: SSR1-UP; NGS1-UP)G3520E (S/N: GZE1-UP; GZG1-UP; GZH1-UP)Description Of Change: The new engine software has updates on the engines that are listed above and contains the following improvements:
0% secondary voltage diagnostic code.
Tecjet diagnostic update for engines that uses a Tecjet.
Hard Start Repair (Close fuel valve when the GSOV is closed).
GSOV Failure Diagnostics.
Even bank detonation shutdown repair for 20 cylinder engines.Adaptable To: The new software is a direct replacement for the former software. Refer to Table 1 for the new and former engine software part numbers. The new software is adaptable back to the first production on the serial numbers listed above.
Table 1
New Software Part Number Former Software Part Number
495-4116 Engine Ratings Electronic Software Gp 361-2907 Engine Ratings Electronic Software Gp
495-4120 Engine Ratings Electronic Software Gp 288-4375 Engine Ratings Electronic Software Gp
495-4123 Engine Ratings Electronic Software Gp 288-4376 Engine Ratings Electronic Software Gp
495-4124 Engine Ratings Electronic Software Gp 333-5459 Engine Ratings Electronic Software Gp
495-4125 Engine Ratings Electronic Software Gp 450-2450 Engine Ratings Electronic Software Gp
495-4126 Engine Ratings Electronic Software Gp 361-4285 Engine Ratings Electronic Software Gp This change is effective for the serial numbers listed in Table 2.
Table 2
Effective Serial Numbers
G3512E
S/N:NGS00168-UP
S/N:SSR00250-UP
G3520E
S/N:GZE00405-UP
S/N:GZG00002-UP
S/N:GZH00168-UP