This course, adapted from military curriculum materials for use in vocational and technical education, is the first of a two-course series that teaches students to maintain and repair automotive and construction equipment using either gasoline or diesel engines. It covers basic combustion engine principles and electrical system principles as well as troubleshooting, diagnosis, and adjustment procedures. The course contains two phases covering 105 hours of instruction. Phase 1 on gasoline engines contains two units including an introduction to the course and information on gasoline-engine repairs and adjustments. Phase 2 on diesel engines covers maintenance and repair to Caterpillar, International, General Motors, and Cummins diesel engines. The course contains both student and teacher materials. Printed instructor materials include a curriculum outline for the course and instructor's guides for each phase. The curriculum outline includes an introduction to the course; outline of instruction; outline of training objectives; lists of texts, references, tools, equipment, materials, training aids and devices, training aid equipment; and a master schedule. The instructor guides include the lesson plans for each unit. Student materials include 7 job sheets, 11 information sheets, and 1 work sheet. (KC)