NUT-BEARING 2594727 - Caterpillar

Table 1
Part Number Part Name Description Compatible Receiver
545-7137 Monitor Software Gp V5.31 GNSS Receiver Firmware MS9x5
545-6719 Monitor Software Gp V5.31 GNSS Receiver Firmware MS9x2 The new and former part numbers of the satellite receivers are given in the Table 2.
Table 2
New Part Number New Receiver Former Part Number(1) Former Receiver
450-6212 Satellite Receiver As MS995 353-2794 Satellite Receiver As MS992
450-6213 Satellite Receiver Gp MS975 388-8641 Satellite Receiver Gp MS972
450-6214 Satellite Receiver Gp MS955 391-2010 Satellite Receiver Gp MS952
450-9199 Satellite Receiver Gp MS955 388-8641 Satellite Receiver Gp MS952
(1) The former part number listed is for reference only and may differ.Required Service Tool
Winflash with Utilities/WFS-MS9x5-V531.exe or on-machine CB460 Display with MS9x5531.SImprovements and Features
The new firmware v5.31 has various improvements and features listed below:
Added support for new Zephyr 3 Rugged antennas when used with MS9x5 and MS9x2 GNSS receivers.
Improved use of satellites from the Galileo system.
Improved GNSS interoperability with non-Trimble base stations where the base station Antenna Phase Center (APC) is not recognized.
Improved GNSS correction communication in dual GNSS systems, where GNSS receivers have been moved between an AccuGrade system and a GRADE system.
Improved to ensure that the GNSS corrections are output on the proper CAN bus for the system settings.Note: When running the GCS900 Grade Control System version 12.50 or earlier on a CB450 or CB460 control box, and try to upgrade an MS995 receiver to the version 5.31 GNSS firmware. User should rename the upgrade file to MS990531.S, otherwise the GNSS firmware upgrade will not work.