The objective of this research can be seen such as: 1) Examine the level of teacher preparation in light vehicle engineering package through implementing 2013 curriculum in SMK PGRI 3 Randudongkal based on performance and profesionalism, 2) Examine influenced changing factor through implementing light vehicle engineering skill package curriculum in SMK PGRI 3 Randudongkal. This research used descriptive approach with qualitative and quantitative data. Data source which is used is informant, place and event, document and archive document. The technique of taking sample is used selective technique such as purposive sampling. The technique of collecting data is observation, interview, documentation, and questionnaire. The instrument of validity test uses technique of triangulation data sources and triangulation methods, meanwhile the validity for quantitative data uses expert judgment and numerical correlated number Pearson?s Product Moment Correlation which is used reliability test with Cronbach Alpha formula. The technique of data collection for qualitative data uses interactive analysis model, while data analysis for quantitative data concerns on value estimation. The result of this research shows that: 1) Teacher preparation in implementing curriculum 2013 based on teacher performance have achievement such as: a) lesson plan includes high category percentage with 66,67 %, teachers have done in making lesson plan perfectly because they prepare Lesson Plan before starting to learn. b) Learning implementation becomes at the high category with the acquisition of a percentage of 66.67%, teacher manages the class based on Lesson Plan that has been made before and implement learning strategy based on materials that has been taught. c) Learning assessment gets in the high category with the acquisition of a percentage of 66.67%, the teachers carry out an evaluation of the material that has been completed taught. 2) Teacher preparation in implementing 2013 curriculum based on professionalism have achievement such as: a) Professional competence in the high category with the acquisition of a percentage of 66.67%, the teacher has to know the basics of education in Indonesia; b) pedagogical competence in the high category with the acquisition of a percentage of 100%, teaching learning activities both from the planning, implementation and assessment of learning outcomes; c) Personality Competence in the high category with the acquisition of a percentage of 66.67%, a wise teacher has a personality and can be role models for students and for others outside of the school area; d) Social Competence at the high category with a percentage of 100% acquisition, teachers have good communication skills with students, as well as with other people. 3) the influenced factor which is create for changing curriculum in SMK PGRI 3 Randudongkal such as: a) SMK PGRI 3 Randudongkal has already committed to others school to follow curriculum changing b) future challenge as globalization, environment problem, information and technology advanced c). public perspective measure this education more significantly concern on cognitive aspect than character building.