31/10/2014 SIA "LDZ ritošā sastāva serviss" has finished 14 ČME3M locomotives upgrading project for SJSC "Latvijas dzelzceļš" with modernized locomotive ČME3M-6138. Soon this shunter will start operations at Daugavpils station. Then company upgrades three ČME3ME locomotives powered by CAT 3508C diesel engine with 1000 kW power.