TRANSMISSION GP-IND 1329541 - Caterpillar

CompactorCB64B (S/N: C561-UP)CB66B (S/N: B661-UP)CB68B (S/N: C681-UP)Reference: Special Instruction, REHS7696, "Software Installation Instructions of the Plus+1 Service Tool for Caterpillar P1STC Is Available for Caterpillar Paving Products"The following changes are now available for the products within the listed serial numbers.The new machine software flash file allows C4.4 engines to change RPM for after-treatment system and functional tests with Cat® Electronic Technician (Cat ET) Service Tool. Replace the existing machine software with 538-5163 Machine Software Gp flash file which can be downloaded from SIS under the Service Software Files section.The new software is available in the form of a flash file through the Caterpillar Service Information System (SIS). A newer part number may be available. SIS Web only displays the latest available flash file.