Evaluation of Injector Efficiency in Komatsu PC195LC Excavator Engine through a Collaborative Research Framework between DTM SV UGM and PT United Tractors Tbk

Yogyakarta, October 2025 — The research team from the Department of Mechanical Engineering, Vocational College, Universitas Gadjah Mada (DTM SV UGM), particularly from the Heavy Equipment Maintenance and Management Engineering Study Program (TPPAB), has successfully completed a study focusing on the performance and fuel efficiency analysis of the Komatsu PC195LC diesel engine, with specific emphasis on the fuel injection system and injector components.

This research represents a continuation of a long-term collaborative initiative between academia and industry, aimed at the development of environmentally friendly and fuel-efficient excavator units. The research involved both academic and industry experts, including Yosephus Ardean Kurnianto PrayitnoSugiyantoIlham Ayu Putri PratiwiBraam Delfian PrihandiantoMuhammad Novan Budi PrasetyoSutiknoJosua Aditya ManuelHaidar Ali FikriYanuar Khafid H., and Setyawan Adi Nugroho. The study was conducted from July 1 to October 17, 2025, in collaboration with PT United Tractors Tbk Semarang Branch and UT School Semarang. read more