PT. Kobexindo Tractors tbk December 2013 - December 2014 at Banjarmasin, South Kalimantan • Do tear down engine DE12 TIA and DE12 TIS Doosan excavator and Tata Daewoo• Do measurement component engine such as crankshaft, camshaft, etc.• Make Tear down report and recommende part • Do assembly engine • Do test engine running to make sure after rebuild engine before send to dynotestat branch Balikpapan

Technical OfficerPT. Altrak 1978September 2012 - December 2013, at Sungai Danau , South Kalimantan• Do failure analysis for material fatigues or electrical fault findings.• Troubleshoot engine problem and solve.• Recording factory campaign and product improvements.• Record and commenting on engine performance and electrical errors.• Collecting oil analysis and monitors.• Recording part mileage and listing premature part failure including its failure causes.• Assisting OEM technical officer for machine improvement.• Arrange man power and scheduling maintenance.• Maintenance engine as Cummins recommendation listed (A, B, C and D check maintenance).• Back up Cummins warranty (new engine) and ALTRAK warranty (after over haul) or brand newengines.• Assisting safety officers for safety implementer.• Schedule meeting and presented engine condition to customer weekly.• Man power knowledge development.

MechanicPT. Altrak 1978Juli 2011 – September 2012 Sungai Danau - South Kalimantan• Handling Machine for servicing and maintenance Cummins diesel Engine for many applicationsuch as ,mining ,industrial and including electronicengines.• Minor and mayor repair Cummins diesel engine including overhaul turbocharger, water pump,air compressor and fan hub arrangement.• Diagnosa and troubleshooting for Cummins diesel engine including electronic engines.

Jr. MechanicPT. Altrak 1978September 2008 – Juli 2011 Banjarmasin, Satui• Helping technician for servicing and maintenance Cummins diesel engine for many applicationsuch as Genset ,marine ,mining ,industrial and agriculture equipment.• Maintenance engine as Cummins recommendation list (A, B, C and D check maintenance).• Checking and ensure special tools and manual book complete before job been done.• Making daily report for internal office

Mechanic TraineePT. Altrak 1978Agustus 2007 – September 2008 at Banjarmasin, South Kalimanta, Indonesia• Training at Head Office PT. Altrak 1978 Jakarta• On Job Training at PT. Altrak 1978 Balikpapan Branch• Recieveing engine at workshop, check all parts and cleaning• Teardown/disassembly engine.• Help rebuild component such as Cyl. Head, Water pump, Turbocharger, Aftercooler and LTApump• Help Assembly Engine• Help Testing engine at Dynotest and record data