These training standards for heavy duty equipment mechanics are intended to be used by apprentice/trainees, instructors, and companies in Ontario, Canada, as a blueprint for training or as a prerequisite for accreditation/certification. The training standards identify skills required for this occupation and its related training program. They are designed specifically for documenting the apprentice/trainee's acquisition of skills. English and French versions of the text appear on adjoining pages. Introductory materials include directions to trainers and apprentice/trainee, forms to record employer information (address, telephone, summary of hours, and sign off), and a training unit completion form. Fifteen training units are included. For each training unit, general and terminal performance objectives are provided, with spaces for supervisor and apprentice signatures indicating completion of terminal performance objectives. Unit titles are as follows: demonstrate safe working practice and techniques; apply general work practices and procedures; communicate effectively; operate equipment; select, use, and maintain tools and equipment; block, hoist, and rig; weld and cut; perform preventive maintenance; diagnose and repair engines; diagnose and repair power trains; diagnose and repair electrical systems; diagnose and repair hydraulic systems; diagnose and repair pneumatic systems; diagnose and repair brake and steering systems; and diagnose and repair suspensions, undercarriages, and chassis and components. A competency analysis profile chart is attached. (YLB)