As you already know caterpillar Electronic Technician (ET) is a software part of Caterpillar diagnostic tool. It allows you to diagnose vehicle ECM and check error codes, change ECM configurations and much more. But a part of ECMs settings is locked and to unlock these parameters you will need caterpillar factory passwords.25$ 
Perkins is included in following programs
Perkins EST 2012B Diagnostic Software
Perkins EST 2012B is a diagnostic program that is designed to perform diagnostic electronics company Perkins.
Perkins EST 2011B
Perkins EST 2011B is a diagnostic program, which consists of a set of hardware and software (complex parts, service system "TIPSS").
Perkins 1300 EDi Peregrine EDi Engine Diagnostics
Perkins diagnostic software designed to diagnose these engines of Perkins: Peregrine EDi and 1300 Series EDi.
Perkins EST 2009B
Perkins EST 2009B is a program of diagnosing electronic engines company Perkins, which consists of a set of hardware and software (system service "TIPSS"), which the user can use to communicate with electronic engines Series 2300/2800 the firm Perkins.
Perkins EST 2010B
Software Perkins EST 2010B enables troubleshooting and problems of electronic engines for Perkins.
Perkins EST Diagnostic Interface Compact Adapter
Diagnostic Interface Perkins EST Compact Adapter is intended for diagnostics of electronic engines for Perkins.
|Diagnostic adapter interface||WorldWide||02/2012||Archival|