New Software Is Used on Certain 3500 Tier 3 Marine Engines {1920} Caterpillar

New Software Is Used on Certain 3500 Tier 3 Marine Engines {1920}

Usage:

Marine Auxillary Engine: 3512C (S/N: T3Y1-UP); 3516C (S/N: TKX1-UP)
Marine Engine: 3512C (S/N: T3P1-UP; TKP1-UP; T3R1-UP; T3S1-UP; T3W1-UP); 3516C (S/N: TKR1-UP; TKS1-UP; TKT1-UP; TKY1-UP)

Description Of Change: The new software addresses the low fuel pressure warning, SPN 99 range, configurable torque limiting values, and updated to best prod. 3.

The best prod. 3 includes the overspeed test functionality with CMPD, a non-overrideable low oil pressure shutdown enablement configuration, transmission oil pressure transfer function fix, air shut-off feedback detection logic inverted, and configurable range for cool down was increased to reach rated engine speed on Auxiliary and DEP applications.

Adaptable To: The new software replaces the former software.

The new software is adaptable to the above engines back to first production.

The new software and former software are listed in Table 1.

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Table 1
New Part Number	Description	Former Part Number
483-0412	Engine Software	419-9363
483-0413	Engine Software	419-9365
483-0414	Engine Software	419-9366
483-0415	Engine Software	443-0992
483-0416	Engine Software	419-9368
483-0417	Engine Software	443-0993
483-0418	Engine Software	419-9370
483-0419	Engine Software	419-9371
483-0420	Engine Software	419-9372
483-0421	Engine Software	419-9373
483-0422	Engine Software	451-6171
483-0423	Engine Software	451-6170

This change is effective for the serial numbers listed in Table 2.

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Table 2
Effective Serial Numbers
S/N:T3P00325-UP
S/N:T3R00336-UP
S/N:T3S00222-UP
S/N:T3W00272-UP
S/N:T3Y00201-UP
S/N:TKP00234-UP
S/N:TKR00246-UP
S/N:TKS00263-UP
S/N:TKT00244-UP
S/N:TKX00206-UP
S/N:TKY00358-UP